Yaroslav Bigus is an expert in building cross-platform web and mobile applications. He has over 5 years of experience in development and has worked for companies in Leeds and New York. He has been using the .NET Framework stack to develop backend systems; JavaScript, AngularJS, jQuery, and Underscore for the frontend; and Xamarin for mobile devices.

He is currently working for an Israeli start-up named yRuler (Tangiblee). Previously, he has reviewed Xamarin Mobile Application Development for iOS and iOS Development with Xamarin Cookbook, both by Packt Publishing.

Maxwell Dayvson Da Silva is a native Brazilian who works as a software architect for The New York Times. He has more than 11 years of experience working for two of Brazil's leading digital media companies. His work at Terra, a global digital media company, helped reach an audience of over 100 million people monthly with entertainment, sports, and news content. Later, he was part of Globo.com, the largest media conglomerate in Latin America. His contribution in the digital media field is only a portion of how he spends his time. Combining his passion for art and science, he creates games and interactive art installations. Inspired by his son, Arthur, he continually searches for new ways to spread science in a fun way to children both in NYC and Brazil. He can be reached at https://github.com/dayvson.

Vincent Lark is an experienced programmer who has worked as a backend and frontend web developer for web start-ups in Luxembourg and France. He now focuses on creating modern web UIs and develops games as a hobby. He has also reviewed the book WebGL HOTSHOT, Packt Publishing.

Vishal Rajpal is an experienced software engineer who started developing professional software applications in 2011. He has worked primarily on Java, JavaScript, and multiplatform mobile application development platforms including PhoneGap and Titanium.

At present, he is pursuing his Master's degree in Computer Science from Northeastern University, Seattle, and has been working on Scheme (Lisp), Objective-C, computer systems, and algorithms.

He lives in Seattle and can be reached at <[email protected]>. You can also find out more about his work at https://github.com/vishalrajpal/ and https://www.vishal-rajpal.blogspot.com. He has also reviewed the book PhoneGap 3.x Mobile Application Development HOTSHOT, Packt Publishing.