About

The raywenderlich.com Team

This blog is focused on developing high quality programming tutorials. Our goal is to take the coolest and most challenging topics and make them easy for everyone to learn – so we can all make amazing apps.

We are also focused on developing a strong community. Our goal is to help each other reach our dreams through friendship and cooperation. As you can see below, a bunch of us have joined forces to make this happen: authors, editors, subject matter experts, translators, app reviewers, and most importantly our amazing readers!

If you’d like to be a part of our community, you can join us in our forums or apply to join the team.

Want to follow us on Twitter? Follow the raywenderlich.com Team twitter list to follow everyone on the team in one click! :] This is a great source for iOS news and links.

We hope you enjoy our tutorials, and we look forward to getting to know you! :]

Tutorial Team

  • Dani Arnaout

    Dani Arnaout

    Dani Arnaout is an iOS developer working at Lextech Global Services.
    He has a YouTube channel full of iOS & programming related tutorials.
    You can also find him on Twitter.

  • Sohei Azarpour

    Soheil Moayedi Azarpour is an independent iOS developer. He’s worked on iOS applications for clients as well as his own personal apps. You can find him on Twitter, GitHub, Stack Overflow and connect on LinkedIn.

  • Subhransu Behera

    Subh is an iOS and Ruby developer. He's currently working in PayPal, Singapore. He's also the founder local iOS developer group called iOS Dev Scout, where iOS devs meet every month to discuss about latest & greatest apps and tools.

    When not coding, Subh loves to meet developers, plays keyboard and travels with his family. You can follow Subh on Twitter.

  • Brian Broom

    Brian Broom

    Brian has been tinkering with computers since writing basic programs on IBM PC (with Two! floppy drives). He has done web, database, C++, ruby, and now iOS development. Brian has spent the last few years as a computer science teacher and trainer.

    You can reach him by email or on Twitter.

  • Tammy Coron

    Tammy Coron

    Tammy Coron is an artist, a writer, a musician, and a developer. Not too many people get an opportunity to do what they love. She considers herself to be one of the lucky ones! Check out her blog at www.justwritecode.net.

    You can find Tammy on Twitter.

  • Tony Dahbura

    Tony Dahbura

    Tony is a hardware/software engineer from Virginia with more than 30 years software development experience. His first “real” computer was an Apple ][ and he has loved Apple Systems ever since! Tony has been working with iOS for about 3 years. He has worked on server systems, Java development, and various flavors of Unix.

    In his spare time, after attending his kids sporting events, he does some independent software development work under FullMoon Manor LLC, helping folks realize the joy of custom apps to meet their needs. You can follow him on Twitter or connect on LinkedIn.

  • Sam Davies

    Sam Davies

    Sam is a Technical Evangelist for ShinobiControls - purveyors of the finest UI controls for iOS and Android - including charts, grids and much more. By day you'll find him attending conferences, writing tutorials, meeting people and generally being a good guy. By night he's likely to be out entertaining people, armed with his trombone and killer dance moves.

    He's written a free ebook: iOS7: Day by Day and you can follow him on twitter at @iwantmyrealname, or check his personal site iwantmyreal.name.

  • Evan Dekhayser

    Evan Dekhayser is the 15 year old developer of Contact Archiver and Contact Switcher. After only programming for a year, he hopes to continue learning while helping others take their first steps into coding. If he is not programming, he is playing baseball, basketball, or messing around with his Raspberry Pi.

    You can find him on Twitter.

  • Jean-Pierre Distler

    Jean-Pierre Distler

    Jean-Pierre Distler is an iOS Developer in Braunfels, Germany. He develops apps for 3+ years and is also interested in IT-Security and penetration testing.

    When he's not on his computer he enjoys time with his daughters.

  • Colin Eberhardt

    Colin Eberhardt has been writing code and tutorials for many years, covering a wide range of technologies and platforms. Most recently he has turned his attention to iOS. Colin is CTO of ShinobiControls, creators of charts, grids and other powerful iOS controls.

    You can check out their app, ShinobiPlay, in the App Store.

  • Charlie Fulton

    Charlie Fulton

    Charlie Fulton is a full time iOS developer. He has worked with many languages and technologies in the past 16 years, and is currently specializing in iOS and Cocos2D development. In his spare time, Charlie enjoys hunting, fishing, and hanging out with his family.

    You can follow Charlie on Twitter.

  • Matt Galloway

    Matt Galloway

    Matt is the founder of SwipeStack, a mobile development company based in London, UK which create apps for clients and also a few of their own. One client's app was featured by Apple in the best apps of 2011, the App Rewind in the newsstand category.

    BeerMap is one of their own creations, helping beer drinkers find a great pub near them! You can find him on Twitter.

  • Scott Gardner

    Scott is an enterprise iOS app architect, developer, and consultant. You can reach him on LinkedIn or Twitter, or by email.

  • Joshua Greene

    Joshua Greene is a full-time iOS Developer working at App-Order in Las Vegas, NV. When he's not slinging code, he enjoys martial arts, Netflix, and spending time with his wonderful wife and daughter. You can reach him by email or on Twitter.

  • Jake Gundersen

    Jake Gundersen

    Jacob is an indie game developer and runs the Indie Ambitions blog. Check out his latest app - Factor Samurai! You can find him on Twitter.

  • Ali Hafizji

    Ali is an independent iOS and Android developer currently focussing on building immersive experiences on mobile devices. He is an avid programmer and loves learning better and faster ways of solving problems. You can follow him on Twitter or github.

  • Matthijs Hollemans

    Matthijs Hollemans is an independent iOS developer and designer who lives to create awesome software. His focus is on iPad apps because he thinks tablets are way cooler than phones. Whenever he is not glued to his screen, Matthijs plays the piano, is into healthy and natural living, and goes out barefoot running. Visit his website at http://www.hollance.com.

  • Jorge Jordán

    Jorge Jordán is an indie iOS developer who spends his spare time trying to make his dreams and games come true at Insane Platypus Games. He likes to travel and to play bass and guitar.

    You can find Jorge on Twitter, Facebook and LinkedIn.

  • Michael Katz

    Michael Katz envisions a world where mobile apps always work, respect users’ privacy, and integrate well with their users’ life. To further that end, he’s the Principal iOS developer at Kinvey, the premier backend-as-a-service provider for mobile and web apps. When not coding, he can be found with his family playing board games, brewing, gardening, and watching the Yankees. Michael Katz has a B.S. and M.Eng in Electrical Engineering from Cornell University and a M.S. in Neuroscience from Brandeis University.

  • Christopher LaPollo

    Chris began programming back when a computer with 256 kilobytes of RAM was something to brag about. Now he’s an independent developer and contractor focused on making mobile apps and video games. When not staring at computer screens, he’s usually relaxing with his wife and kids or climbing up rocks.

    You can reach Chris via email or find him on Twitter.

  • Felipe Laso Marsetti

    Felipe Laso is an iOS developer working at Lextech Global Services. He’s also an aspiring game designer/programmer. You can follow him on Twitter as @airjordan12345 or on his blog.

  • Chris Lowe

    By day, Chris is a Social Media/Mobile Technical Lead at USAA. By night, an UI and iOS consultant through his company, Hashtag Studios. He is available for speaking, training, or consulting at HashtagStudios[at]gmail.com. Visit his site for more thoughts.

    When not working, you can find Chris spending time with his wife, young daughter, and 2 crazy dogs.

  • Matt Luedke

    Matt Luedke

    Originally from the Chicago area, Matt is currently a Mobile Engineer at Prolific Interactive in San Francisco doing iOS and Android development. He's always working on some kind of new side project involving writing and/or app development and/or general tomhackery. You can check on the latest of these at his blog.

  • Scott McAlister

    iOS developer at Flat World Education creating competency-based systems for higher education. Also founder at 4 Arrows Media. Spare time is spent with wife and 4 kids, scouts, backpacking and Tenkara.

  • Julian Meyer

    Julian Meyer

    Julian Meyer is a 13-year-old python programmer from Northern California. He has programmed PixelBuild, a simple block-building game and has his own blog about programming, arduino, and music here.

  • Tim Mitra

    Tim Mitra

    I'm mobile app developer and artist. I teach iOS dev and Objective-C. I also do web development and I'm an iT Guy in Toronto, Canada. I studied Fine Arts before there were Macs and I've worked for many years in graphic design, publishing and printing.

  • Matthew Morey

    Matthew Morey

  • Kirill Muzykov

    Kirill Muzykov

    Kirill is a founder of PixelOxygen, an independent development company creating games and applications for iOS.

    Also, Kirill is the author of Learning iPhone Game Development with Cocos2D 3.0 book.

    You can read his Blog or check his latest Games and Apps at the Apple AppStore.

  • Vincent Ngo

    Vincent (aka Jomoka) is an undergraduate, studying Computer Science at Virginia Tech and a part-time iOS developer at Mindsense.

    During the weekends he would work on side projects, schoolwork, or attend 48-hour hackathons around different universities to hack and learn about awesome APIs and meet insanely great and talented people.

  • Neil North

    Neil is an iOS developer / consultant at Northy Software Solutions and Asset management technical officer / lead iOS developer at Shepherd Services Pty Ltd. Neil has over 10 years experience in software development, database design and indie game development.

    You can find Neil on Twitter.

  • Kim Pedersen

    When Kim is not working on developing the next treatment for diabetes at a large pharmaceutical company he is spending his spare time developing games for iOS. He started programming on his C64 at the age of 8, and has since then been creating games on Amiga, PC and XBox360. He never thought he would ditch his beloved Windows PC for a Mac - but that changed three years ago and he has since then been dedicated to developing the next big iOS mobile indie hit.

  • Greg Pugh

    Greg is a mobile app developer, animator, and Flash developer for his company GP Animations. He's also a children's book author and illustrator. When Greg isn’t writing children’s books, he’s playing guitar, watching hockey, and enjoying a dram of scotch with a cigar.

  • Pietro Rea

    Pietro Rea

    Pietro is an iOS developer at Quidsi. He enjoys working on projects large and small and jokes about Objective-C being his native language.

    You can find Pietro on Twitter.

  • Barbara Reichart

    Barbara Reichart

    Barbara Reichart is currently doing her PhD at TUM, where she teaches software engineering and iOS development. In her free time she develops games (Treeo Games). Her first published game is Tw!nkle. You can also follow her on Google+.

    You can find Barbara on Twitter.

  • Ricardo Rendon Cepeda

    Ricardo is a Mobile Application Developer at Idean, an awesome UX/UI design studio in Palo Alto, CA. He specializes in iOS & OpenGL ES and is always up for a chat, so be sure to find him on Twitter, LinkedIn, or GitHub!

  • Kyle Richter

    Kyle Richter

    Kyle Richter is the Chief Executive Officer at MartianCraft an award winning Mobile Development Studio. Kyle began developing software in the early 90s and has always been dedicated to the Apple ecosystem. He has authored several books on iOS development including Beginning iOS Game Center Development, Beginning Social Game Development, and iOS Components and Frameworks Advanced Programming.

    Between running day to day operations at MartianCraft Kyle travels the world speaking on development and entrepreneurship. He currently calls the Florida Keys home where he spends his time with his border collie. He can be found on Twitter and is available for birthday parties and other engagements.

  • Cesare Rocchi

    Cesare Rocchi is a speaker, writer, UX designer and developer specializing in web and mobile applications. He began working on interactive applications while he was a researcher in the academia. He runs Studio Magnolia, an interactive studio that creates compelling web and mobile applications. He blogs at upbeat.it. You can find him on Twitter or app.net.

    When off duty he enjoys snowboard and beach tennis. Now he is busy working on Neater.

  • Derek Selander

    Derek is an iOS developer currently working in the mobile health sector. In his free time, he enjoys surfing, playing classical guitar, and consuming bacon.

    You can find Derek on Twitter or LinkedIn.

  • designatednerd

    Ellen Shapiro is a mobile developer in Chicago, Illinois who builds iOS and Android apps for Vokal Interactive, and is working in her spare time to help bring Hum to life. She’s also developed several independent applications through her personal company, Designated Nerd Software.

    When she's not writing code, she's usually tweeting about it.

  • Joel Shapiro

    Joel develops iOS apps and Ruby on Rails backends as the founder and CTO of RepublicOfApps. He's also an aspiring game developer. You can follow him on Twitter as @RepublicOfApps. His latest game is Particle Parity — the classic memory matching game remade to match exciting particle effects.

  • Paul Sholtz

    Paul is a mobile developer based in Los Angeles. He has over 15 years of experience in professional software development, and has been publishing apps on the iTunes stores since 2009. When he's not busy with work, he enjoys Stanley Kubrick movies, urban hiking and spending time with his wife and son. You can find and follow him on Twitter or Github.

  • Toby Stephens

    Toby Stephens

    Toby has been a software developer for over 20 years, working mainly
    in the financial sector. He is now Head of iOS Development for
    inplaymaker, based in the UK. In his spare time he tinkers with
    writing iOS games and creating music.

    You can follow him on Twitter.

  • Audrey Tam

    Audrey Tam retired at the end of 2012 from a 25-year career as a computer science academic. Her teaching included Pascal, C/C++, Java, Java web services, web app development in php and mysql, user interface design and evaluation, and iOS programming. Before moving to Australia, she worked on Fortran and PL/1 simulation software at IBM's development lab in Silicon Valley. Audrey now teaches short courses in iOS app development to non-programmers, and organizes venues for Melbourne Cocoaheads monthly meetings.

  • Allen Tan

    Allen Tan is an iOS Developer and Founder at White Widget, a Philippines-based start-up mobile apps & games development studio that does both contractual and indie work. Right now, Allen’s pretty much devoting all of his time getting the studio off the ground. To find out more, you can follow White Widget’s Facebook page & Twitter for announcements.

    You can also check out Allen’s personal LinkedIn profile and Twitter, or reach him for work via email.

  • Marin Todorov

    Marin Todorov is an independent iOS developer and publisher with background in various platforms and languages. He started developing on an Apple ][ more than 20 years ago and keeps rocking till today. Meanwhile he has worked in great companies like Monster and Native Instruments, has lived in 4 different countries, and (more recently) has worked on 10+ titles on the App Store.

    Besides crafting code, Marin also enjoys teaching and training others. He sometimes speaks at iOS conferences.

    Throughout his career he has authored or contributed to 7 great book titles, including "iOS7 by Tutorials", "iOS6 by Tutorials", "iOS Games by Tutorials", and O'Reilly's "Adobe AIR Cookbook". He maintains Touch Code Magazine, his tech blog about iOS development and also has a successful video course on game programming.

  • Chris Wagner

    Chris Wagner currently works as the lead iOS developer at Infusionsoft and started “programming” by playing with QBASIC and the Lego Mindstorms kit (thanks Dad). The next big thing was the web, as an avid gamer for many years (Rogue Spear, Counter-Strike, WOW) he continued to feed his passion for software development by building web sites for his gaming clan and others. After graduating with a Computer Systems Engineering degree from ASU he worked as a Java web app developer before moving on to leading multiple iOS development teams.

  • Nick Waynik

    Nick Waynik is an independent iOS developer, and has done everything from network administration to web development. He started writing iOS apps when the SDK was first released. Since then he has gone on to start his own business focusing on iOS development. He loves spending his free time with his wife Allison and son Preston, and sometimes playing golf.

    He can be found on Twitter as @n_dubbs, or at his website.

  • Vicki Wenderlich

    Vicki Wenderlich discovered a love of digital art in 2009, and has been making app art and digital illustrations ever since. She is passionate about helping people pursue their dreams, and makes free app art for developers available on her website, http://www.vickiwenderlich.com.

  • Jack Wu

    Jack

    Jack is an engineer making apps full-time at Modiface Inc. for iOS. He loves making apps. Outside of work, Jack enjoys coding on the beach, coding by the pool, and sometimes just having a quick code in the park.

    You can find Jack on LinkedIn, or check out his blog.

Update Team

  • Caroline Begbie

    I’m an indie iOS developer. When I’m not developing, I’m playing around with 2D and 3D animation software, or learning Arduino and electronics.
    In my past I’ve taught the elderly how to use their computers, done marionette shows for pre-schools, and created accounting and stock control systems for mining companies.

  • Ryland Bristow

    Ryland ("Ry") Bristow will be a rising freshman this fall at Clemson University. He has worked with app development on several projects that rely on communication between iOS devices and Arduino micro controllers with his internship at Northrop Grumman. He will be majoring in Computer Science and minoring in Digital Production Arts and is excited to get more in depth with iOS development. With already having worked with Java, C, and Objective-C in the past, Ry is looking forward to being able to learn a new language with the recent creation of Swift.

  • Riccardo D'Antoni

    Riccardo D'Antoni

    Riccardo is an iOS developer and founder of Squareomatic, he is focused on creating awesome mobile applications, have a look at Wanted Bounty Hunters an addictive quick-fire multiplayer game! Or DevReviews a new marketing tool for iOS developers! In his spare time he likes to practice any sport, but has a predilection for swimming and snowboarding. He loves creativity and is always eager to help! You can find him on LinkedIn.

  • Ray Fix

    Ray Fix

    Ray Fix is a co-founder of Pelfunc, Inc., a small startup in San Diego California that, in addition to iOS and computer vision consulting, is working on new ways for people to communicate. Currently he's developing a platform called Squeak16 to do this.

    Ray stays healthy by walking, swimming and playing ultimate frisbee. When he is not doing one of those things, he is writing and dreaming of code in Swift, C++, Ruby, or R.

  • James Frost

    James is an iOS developer at Mubaloo Ltd, most recently spending a lot of time getting acquainted with iBeacons. He started writing code in the early 90s on his family's BBC B, and hasn't stopped.

    You can find him on Twitter, his personal website, and Stack Overflow.

  • Greg Heo

    Greg is the newest member of the Razeware team and has been an editor for raywenderlich.com since 2012. He has been nerding out with computers since the Commodore 64 era in the 80s and continues to this day on the web and on iOS. He likes caffeine, codes with two-space tabs, and writes with semicolons.

    You can find Greg on Twitter, GitHub, or his personal site.

  • Andy Pereira

    Andy Pereira

    Andy is a software developer in Atlanta, GA. He is the author of a few personal iOS apps, as well as several B2B mobile apps.

    You can find Andy on LinkedIn or Twitter.

  • Bjørn Olav Ruud

    Bjørn is a freelance programmer from Norway. After working a number of years with Linux servers, networks and developing back-end software, he decided iOS development looked like more fun. Working for a consulting company he helped create a bunch of public and in-house apps for a wide variety of clients, and then went freelance.

    In his spare time Bjørn enjoys games (computer/card/board) for his mental health, and strength training, parkour and other activities that are likely to cause injury for his physical health.

    Blog | GitHub | LinkedIn

  • Richard Turton

    Richard is an iOS developer for a leading UK mobile agency, prolific Stack Overflow participant and author of a development blog, Command Shift. When he's not in front of a computer he is usually building Lego horse powered spaceships (don't ask!) with his daughter.

Code Team

Editorial Team

  • Scott Atkinson

    I am a software developer in Alexandria, VA. In my day job, I am the iOS developer for Homesnap, a really great real estate discovery app. I also have two apps in the iOS app store: Metrownome: a coaching tool for rowing, and Preplist-K: a tool to help chefs create work lists for their employees. When I'm not writing software, I spend time rowing on the Potomac river or exploring new restaurants and cooking great food.

  • Chris Belanger

    Chris Belanger has been a coder for over a quarter century, which makes him feel kind of old. He’s also a prolific writer, dabbles in electronic and organic music composition, and occasionally even manages to get real work done.

    You can find him on Twitter or you can contact him via email.

  • Scott Berrevoets

    Hi, I'm Scott! I have a background in web development, but that came to a sudden end in early 2011 when I opened Xcode and wrote a Hello World app. Things escalated very quickly, and I'm now an iOS Engineer for Lyft, but most of my recent side-projects have been open source controls.

    You can check out my blog at http://scottberrevoets.com. I'm also active on GitHub and Twitter.

  • Eric Cerney

    Eric is an iOS Developer currently working at Monsoon, where he works to bring client ideas to reality. He enjoys pushing the bounds of user interaction and finding ways to create awesome reusable components within a mobile environment.

    Outside iOS, his interests are tinkering with hardware (Raspberry Pi and Arduino), gaming, exploring San Francisco, and regretting endless Netflix marathons.

  • John Clem

    John Clem

    John is an iOS and Ruby dev, teacher and writer, currently teaching iOS for Code Fellows in Seattle and working on a podcasting app for Mac OSX called Popsicl.

    His iOS apps include CinePro (which reached the #1 spot for paid video apps in the App Store), Bezel (over 1million downloads) and a handful of open-source projects and components on Github.

  • Fahim Farook

    Fahim is a developer with over two decades of experience in developing in over a dozen different languages. Fahim's current focus is on the mobile app space with over 60 apps developed for iOS (iPhone and iPad). He's the CEO of RookSoft Ltd of Malaysia.

    He's lived in Sri Lanka, USA, Saudi Arabia, New Zealand, and Singapore and enjoys science fiction and fantasy novels, TV shows, and movies. You can follow Fahim on Twitter.

  • Alexis Gallagher

    Alexis Gallagher

    Alexis Gallagher has been failing to tear himself away from computers for over a dozen years, including tours in e-commerce firms in New York, in scientific research in Oxford, in front-office trading systems in London, and now via iOS in a pocket or corporate briefing room near you. After years breathing the thin airs of abstraction, he is a sucker for beauty and loves how iOS lets you work on ideas you can touch.

    He holds a PhD in mathematical biology, performs regularly as an actor, and can be found on twitter.

  • Matt Galloway

    Matt Galloway

    Matt is the founder of SwipeStack, a mobile development company based in London, UK which create apps for clients and also a few of their own. One client's app was featured by Apple in the best apps of 2011, the App Rewind in the newsstand category.

    BeerMap is one of their own creations, helping beer drinkers find a great pub near them! You can find him on Twitter.

  • Greg Heo

    Greg is the newest member of the Razeware team and has been an editor for raywenderlich.com since 2012. He has been nerding out with computers since the Commodore 64 era in the 80s and continues to this day on the web and on iOS. He likes caffeine, codes with two-space tabs, and writes with semicolons.

    You can find Greg on Twitter, GitHub, or his personal site.

  • Erik Kerber

    Erik is an iOS guy from Minneapolis. Currently a Lead iOS developer at Target.

    Outside of coding, he enjoys cramming as much outdoor activity into summer as he can (running, cycling, rowing, fishing, cabin-ing). In the winter, he patiently waits for summer.

    You can find Erik on Twitter or his homepage.

  • Christopher LaPollo

    Chris began programming back when a computer with 256 kilobytes of RAM was something to brag about. Now he’s an independent developer and contractor focused on making mobile apps and video games. When not staring at computer screens, he’s usually relaxing with his wife and kids or climbing up rocks.

    You can reach Chris via email or find him on Twitter.

  • Wendy Lincoln

    Wendy is by a full-time copywriter, editor, and content manager by profession. But that's not all - she's a dabbler. She's always tinkering with website design, graphic design, ebook creation, and researching stuff. Outside the digital universe, she loves to cook (she's also a part-time chef), zen out with yoga, snuggle with kitties and hubby, play Xbox and soak up sunshine. Need a writer, editor, or content manager? Contact her through her website or Google+

  • Brian Moakley

    Brian is not only an iOS developer and fiction writer, he also holds the honor being Razeware‘s first fulltime employee.

    Brian joins Razeware with experience from companies such as ESPN’s online fantasy team and Disney’s Internet Group. When not writing or coding, Brian enjoys story driven first person shooters, reading some great books, and produces his own Minecraft Let's Play video series on YouTube.

  • Ryan Nystrom

    Ryan Nystrom

    Ryan is the lead mobile developer at Dynamit. There, he creates custom iOS and Android apps for clients and helps with mobile web projects. He is a passionate open source contributor where he builds UI controls and frameworks for others to use and learn from. In his spare time he enjoys flying planes as a private pilot. You can reach Ryan on Twitter or email.

  • Bradley Phillips

    Bradley C. Phillips, an editor, splits his time between New York City and the beautiful northwestern Catskill Mountains. He was the first editor to come aboard raywenderlich.com, and he makes sure you've got the clearest, most engaging programming material available, whether you're reading the site's books or tutorials. He has worked as a journalist and previously directed the intelligence department of a New York investigative firm. Right now, Bradley works freelance and pursues his own projects, which include renovating a house and driving a monster truck. Contact him if you need a skilled and experienced editor for you blog, books or anything else.

  • Mic Pringle

    Mic Pringle is a Yorkshire-born developer with a passion for aesthetics and the user experience. Currently working at The Infinite Kind, he's been handcrafting exquisite iOS apps since 2011. When not knee-deep in Objective-C, he enjoys spending time with his wife and daughter, as-well as attending the odd football match. You can find Mic on Twitter, App.net, GitHub and Stack Overflow.

  • Jeff Rames

    Jeff is a Chicago based iOS developer and founder at Floodlight Software, primarily focused on building mobile solutions for enterprise. He started out as a mainframe developer in 2001 and, just before going insane, moved on to several distributed and web based technologies. He found his passion in mobile software shortly after the iOS SDK was released, and made it his full time gig in 2011.

    He spends his free time with his wife and daughter, except when he abandons them for trips to Cape Canaveral to watch rockets being launched into space.

    You reach Jeff via email and LinkedIn or find him on Twitter

  • David Sumner

    Emeritus Professor of Mathematics. Author of 30 research papers in mathematics. A Macintosh programmer since 1985. Author of several articles in popular computer magazines and books.
    Author of several iPhone/iPad apps including PentoMind, Peg Pals, and Circular Tic Tac Toe, currently on the App Store.

  • Marin Todorov

    Marin Todorov is an independent iOS developer and publisher with background in various platforms and languages. He started developing on an Apple ][ more than 20 years ago and keeps rocking till today. Meanwhile he has worked in great companies like Monster and Native Instruments, has lived in 4 different countries, and (more recently) has worked on 10+ titles on the App Store.

    Besides crafting code, Marin also enjoys teaching and training others. He sometimes speaks at iOS conferences.

    Throughout his career he has authored or contributed to 7 great book titles, including "iOS7 by Tutorials", "iOS6 by Tutorials", "iOS Games by Tutorials", and O'Reilly's "Adobe AIR Cookbook". He maintains Touch Code Magazine, his tech blog about iOS development and also has a successful video course on game programming.

  • Richard Turton

    Richard is an iOS developer for a leading UK mobile agency, prolific Stack Overflow participant and author of a development blog, Command Shift. When he's not in front of a computer he is usually building Lego horse powered spaceships (don't ask!) with his daughter.

  • Ray Wenderlich

    Ray is an indie software developer currently focusing on iPhone and iPad development, and the administrator of this site. He’s the founder of a small iPhone development studio called Razeware, and is passionate both about making apps and teaching others the techniques to make them.

    When Ray’s not programming, he’s probably playing video games, role playing games, or board games.

  • Vicki Wenderlich

    Vicki Wenderlich discovered a love of digital art in 2009, and has been making app art and digital illustrations ever since. She is passionate about helping people pursue their dreams, and makes free app art for developers available on her website, http://www.vickiwenderlich.com.

Translation Team Lead

  • Cosmin Pupaza

    Cosmin Pupaza

    Cosmin is an iOS developer currently working at Style Jukebox, a project which combines his two greatest passions: computers and music. He is also available for contract work.

    When not programming, Cosmin teaches others how to program, plays the guitar and helps children of all ages to discover who they are and make a difference in his educational NGO. You can contact Cosmin by email.

Translation Team

  • Scott Zhu

    Scott Zhu is iOS & Android Developer currently living in HangZhou, China. He has a great passion in mobile technology, he loves learning new things and following new technologies. Scott has his own attitude on coding, and sometimes even paranoid.

    Scott is now working at Efergy, while he is off work he likes play basketball and Kobe is his favorite player. In the future, Scott will try to seek a chance to working in the US if it is possible, otherwise he will consider to apply a master degree instead.

    You can contact Scott via Weibo , GitHub, Twitter.

  • Takeichi Kanzaki Cabrera

    Takeichi Kanzaki Cabrera

    I am a geek of sports and new technologies. With 14+ years developing software for external clients. I am always reading something, about a new technology, framework, programming language or a good novel. Right now I am working as an iOS and Android developer.

  • Fabio Casado

    Fabio Casado

    Fabio Casado is an iOS and Android developer. He has worked with other
    languages and technologies like C++, PHP or Python. He loves games and
    creating them. He started to develop mobile apps in his free time
    until he became a partner at 99 estudio and started doing this
    professionally.

    You can find out more about Fabio on Facebook, Twitter, and LinkedIn.

  • Steven Chen

    Currently working in IU Software( http://yourmoments.mobi ) living in Beijing, China.
    Used to be an WindowsMobile and Nokia S40 developer;Now try to be an iOS developer/product manager.
    1.Experience: SW Engineer on Windows Mobile 5 -> Nokia S40 -> iOS.
    2.Life: Coffee+Cola = No Sleep
    3.Goal: Zero to Hero

  • Jose De La Roca

    Jose De La Roca

    Jose is a software and systems engineer from Guatemala, Central America, with almost 15 years of experience on the IT industry. He began developing software solutions for the desktop and web, and is now focusing on mobile platforms. Jose is always looking for new and challenging stuff to learn.

    In the last 2 years Jose been learning and coding iOS development which led him to his first app on the Appstore, and he loves to share his experience and help others learn from it. You can find Jose on Twitter.

  • Miguel Angel

    Miguel Angel

    Miguel Angel is a software developer in Madrid, Spain. He’s worked on C, Java, J2EE and more for clients. He like games, and is always looking for “the next great game idea”. He is currently working for a big client, but is searching for a lucky occasion to be an independent developer – maybe for iOS in particular!

    You can find Miguel on Twitter.

  • Viktor Grushevskiy

    Victor Grushevskiy

    I graduated from BSTU and was awarded a diploma with honor for software of computers and automated systems. Now I am iOS-developer and take part in various competitions and events. I am a finalist of the messengers contest by VK.com
    When I have free time, I like to play soccer, volleyball and bowling. Also I am a captain of the team for intellectual games in the club O'Renoir. Life motto is the catch phrase "per aspera ad astra".

  • Jesus Guerra

    Jesus Guerra

    Jesus is a full time iOS developer currently working at Nearsoft. He is also available for contract work as iOS developer. In his spare time. He enjoys see movies and TV-Series, playing video games and hanging out with his family.

    You can find Jesus on Google+, LinkedIn, and Twitter.

  • Heejun Han

    Heejun Han

    Heejun is a software developer and a project manager for internationl projects at Nautilus Hyosung. He is currently in charge of the iOS/Android app development for the banking industry in the US. Personally he is very interested in the security and effective programming for mobile apps.

    Heejun usually goes on a camping trip with his family in his spare time. You can contact Heejun via Twitter or email.

  • David Hidalgo

    David Hidalgo

    David is a Spanish software engineer that has worked in Java for his entire professional career. However, a few years ago he became interested in iOS development and has decided to combine his work with his passion - by becoming an indie iOS developer.

    You can reach him via LinkedIn or his personal site

  • Myeong Hoon

    Myeong Hoon

    Myeong is an iOS and Android Developer living in Seoul, South Korea. He like iOS more, but has todo Android because this is life! :] His latest iOS Application is FringeJ, a Street Fashion Magazine.

    You can find Myeong on Twitter.

  • Allen Hsu

    Allen Hsu is an iOS and Web Developer from China, currently working at Glow. He is a big fan of Steve Jobs, Apple and Pixar. He loves movie, animation and drama. And he's fond of music, arts and billiards.

    You can reach Allen via Twitter, Sina Weibo or his blog.

  • Eddie K

    Eddie lived in Korea just 2 years ago. Now he lives in US working as a S/W Engineer in mobile industry. He is an Software Artist:) Eddie loves to review and try all sort of apps on App Store.
    Reading books, language translation, listening to music and playing the piano is his hobby.

  • Hiroshi Kawamoto

    Hiroshi is a full time iOS developer living in Yokohama, Japan. He graduated from a university in California, then moved on to run a bakery in Vancouver, Canada. Everything changed when his wife gave him an iPod Touch for his birthday – he then became crazy about iOS development, and now spends most of his time developing for iOS! :]

    Hiroshi enjoys Cocos2D development, creating apps, and playing with his daughter.

  • Willy Lighter

    Lighter is a Taiwanese iOS developer and web developers to use php.For any program development with great interest and enthusiasm.Currently work is the development of iOS, work in the Web security very interested.

  • Wilson Lin

    Wilson Lin

    Wilson is an iOS developer in Guangzhou, China. He has been playing close attention to mobile, and he enjoys sharing his knowledge and experimenting.

    You can reach him for work or just to chat at Twitter, his blog or email.

  • Lin Ma

    Lin Ma

    Lin is a CS Ph.D. Candidate in Washington University in St.Louis, doing research in parallel computing. He has been playing with programming on both CPU and GPU for many years, and has become an iOS fan recently.

  • Xiangping Meng

    Xiangping is a passionate iOS developer and a team leader of a Chinese mobile web company. He likes everything about the mobile web and wants to communicate and work with talented people. You can find him on Twitter, Sina Weibo, or his blog.

  • Marina Mukhina

    Marina Mukhina

    Marina is an IOS developer with in-depth experience designing and great passion for developing iPhone and iPad applications. She is currently working at Teliapp.com as an IOS developer. On her free time she is focusing on developing her own apps.

    You can find her on LinkedIn.

  • Oliver Ou

    Oliver Ou is an senior iOS developer in Shenzhen, China. He is an unabashed Apple fan boy, who has joined the WWDC 2011(Seen Steve Jobs)as a student before. He’s crazy about everything of Apple, especially their culture and spirit and would like to share and communicate with others. His personal motto: do what you believe, believe in what you do.

    You can find Oliver on Twitter, Facebook, or Weibo.

  • Di Peng

    Di Peng

    Di is a CS student at Washington University in St. Louis. As a senior in college, he has already interned as front-end engineer at Google twice, working on high profile projects such as Google+ Local and AngularJS (an open source Javascript framework). He has also spent a year at a small startup called Zaniya, at where he helped to build a web app used in hospitals from scratch.

    When not coding, Di enjoys varsity Ping Pong, recreational badminton and basketball.

  • Olivier Poncin

    Olivier has been a Java developer for some years and is now learning Objective-C and Cocoa programming, aiming at making a living as an independent iOS developer. He shares some thoughts about mobile apps and programming on his blog “Les Bubars” (in french!) and you can contact him on Twitter.

    Olivier’s hobbies are all about beautiful pixels — he’s fond of photography and loves to draw on his iPad.

  • Cosmin Pupaza

    Cosmin Pupaza

    Cosmin is an iOS developer currently working at Style Jukebox, a project which combines his two greatest passions: computers and music. He is also available for contract work.

    When not programming, Cosmin teaches others how to program, plays the guitar and helps children of all ages to discover who they are and make a difference in his educational NGO. You can contact Cosmin by email.

  • Przemysław Rembelski

    Przemysław Rembelski

    Dedicated graphic designer with a great sense of creativity. Przemek is known as a desktop publisher with numerous accomplishments and successfully solved issues. Furthermore, he is the Co-founder of Tapsphere. Currently, he enjoys freelancing and is continuing to dive deeper into iOS. Contact him anytime via Twitter or on his website.

  • Jiyeon Seo

    Jiyeon Seo

    Jiyeon is currently an iOS application developer in Korea. She went to live in Australia for two years and started to really enjoy traveling! She has traveled around almost half of Australia and has a lot of friends around the world. She loves to communicate with everyone who has interests in iOS as well as Android.

    You can contact Jiyeon via Twitter.

  • Paco Torres

    Paco Torres is a 15+ years experienced IT professional from Seville, Spain. Paco has been working in Software/Web Developing for years and now works as a Portal Administrator with Opentext/Weblogic regional Government sites. He is currently focusing on learning iOS development. He is member of Spanish´s NSCoder Nights at Seville.

    You can find Paco on Twitter.

  • David Xie

    David Xie

    David is an Chinese independent iOS developer who is becoming more and more obsessed with Apple :]

    When he is not working, he loves movies and books. Sherlock from the BBC is his favorite style! If you are interested in the same movies/books as him, you could email him? :]

  • Zihan Xu

    Zihan Xu

    Zihan is an engineer working on both software and hardware. Responsibilities include electronic board testing, data communication, embedded coding, labview, and iOS development. When she’s not working, she loves exercising, watching TV and traveling.

    You can find Zihan on Twitter, Sina Weibo and Email.

  • Team Tyran

    Team Tyran

    Team Tyran is a passionate group of iOS fans in China, dedicated to providing professional tutorials for Chinese iOS developers. Team Tyran has hundreds of translations and original tutorials which cover cocos2d, cocos2d-x, cocos2d-html, OpenGL ES, UIKit and Android.

    You can view Team Tyran’s members, find them on Sina Weibo or Twitter, or drop them an email.

  • Sungwook Yeom

    Sungwook Yeom

    Sungwook is a software engineer currently working at Samsung SDS, living in Suji, South Korea. Surprisingly enough, his wife’s name is also Suji! :]

    Sungwook spends his spare time developing for iOS, reading books and enjoying time with his lovely daughter. You can follow him on Twitter.

  • Vitaliy Zarubin

    Vitaliy Zarubin

    Vitaliy is a junior iOS developer with experience in PHP, C#, and C++, but is currently focusing on learning iOS development. He is a student at the university focusing on Information Technology, Mechanics and Optics.

    In addition to programming, Vitaliy loves to play hockey. He has been playing for 16 years, and he can’t imagine his life without this sport! It’s a huge part of him and he hopes to see himself in a professional hockey team some day.

  • Sonic Zhao

    Sonic Zhao

    Sonic is a full time iOS game developer living in Beijing, China. He loves everything tech related and enjoys sharing his experience with others. Sonic’s hobbies are programming, fingerstyle guitar, and playing Blizzard games.

    You can contact Sonic via email.

  • Mia Zhao

    An iOS developer who also loves painting besides coding.

Subject Matter Experts

  • Reid Belton

    Reid has been developing full-time on iOS and OSX for the past three years, and specializes in complex data-driven apps. He currently makes both R&D and consumer-facing apps for a company that designs and manufacturers advanced utility inspection equipment.

  • Richard Casey

    Richard Casey

    Richard Casey is an independent software developer from Naples Florida, specializing in services and solutions for schools. A recent arrival to IOS land, he has been programming since the days of the Altair 8800!

  • Adam Eberbach

    Adam is a full-time iOS developer in Melbourne, Australia, with Itty Bitty Apps - makers of the Reveal developer tool and other fine software.

    Away from the screen he’s having fun with the family, or woodworking, guitaring or gaming. You can find him on Twitter.

  • Marcio Valenzuela

    Marcio is a former biochemist turned computer enthusiast from Honduras. He has a background in ASP, PHP, Flash, and now iOS! Marcio has been developing in iOS since 2009 and has 5 apps on the App Store.

    Marcio loves the outdoors, taking care of the environment, and his 3 year old son. You can find Marcio on Twitter.

Reader App Reviews

  • Ryan Poolos

    Ryan Poolos

    Ryan Poolos (@EmperiorEric) is currently a Senior iOS Engineer full time for BMW. However he also has his own company Frozen Fire Studios and subsidiary PopArcade. He also keeps up with iHelp in his freetime.

    Ryan also has over 10 years of web development experience and 6 years of Graphic Design experience. Ryan loves everything tech and tries hard to stays up with the latest and greatest.

    If you are a reader of this site and you would like your app reviewed, click here!

Site Admins

  • Greg Heo

    Greg is the newest member of the Razeware team and has been an editor for raywenderlich.com since 2012. He has been nerding out with computers since the Commodore 64 era in the 80s and continues to this day on the web and on iOS. He likes caffeine, codes with two-space tabs, and writes with semicolons.

    You can find Greg on Twitter, GitHub, or his personal site.

  • Brian Moakley

    Brian is not only an iOS developer and fiction writer, he also holds the honor being Razeware‘s first fulltime employee.

    Brian joins Razeware with experience from companies such as ESPN’s online fantasy team and Disney’s Internet Group. When not writing or coding, Brian enjoys story driven first person shooters, reading some great books, and produces his own Minecraft Let's Play video series on YouTube.

  • Cosmin Pupaza

    Cosmin Pupaza

    Cosmin is an iOS developer currently working at Style Jukebox, a project which combines his two greatest passions: computers and music. He is also available for contract work.

    When not programming, Cosmin teaches others how to program, plays the guitar and helps children of all ages to discover who they are and make a difference in his educational NGO. You can contact Cosmin by email.

  • Christine Wells

    Christine is Ray's administrative assistant. She tries to keep order in the ever expanding world of raywenderlich.com so that Ray and the team can stay focused on making more tutorials, books, and apps!

  • Ray Wenderlich

    Ray is an indie software developer currently focusing on iPhone and iPad development, and the administrator of this site. He’s the founder of a small iPhone development studio called Razeware, and is passionate both about making apps and teaching others the techniques to make them.

    When Ray’s not programming, he’s probably playing video games, role playing games, or board games.

Thank You!

Thank you so much for reading this web site and being a part of our community.

Again, we hope you enjoy our tutorials, and we look forward to getting to know you! :]


Other Items of Interest

Ray's Monthly Newsletter

Sign up to receive a monthly newsletter with my favorite dev links, and receive a free epic-length tutorial as a bonus!

Advertise with Us!

Hang Out With Us!

Every month, we have a free live Tech Talk - come hang out with us!


Coming up in July: Facebook Pop Tech Talk!

Sign Up - July

RWDevCon Conference?

We are considering having an official raywenderlich.com conference called RWDevCon in DC in early 2015.

The conference would be focused on high quality Swift/iOS 8 technical content, and connecting as a community.

Would this be something you'd be interested in?

    Loading ... Loading ...

Our Books

Our Team

Tutorial Team

... 49 total!

Update Team

  • Andy Pereira

Editorial Team

  • Ryan Nystrom

... 23 total!

Code Team

  • Orta Therox

... 1 total!

Translation Team

  • Sonic Zhao
  • David Xie

... 33 total!

Subject Matter Experts

  • Richard Casey

... 4 total!