Karan Kedar Balkar has been working as an independent Android application developer for the last 4 years. Born and brought up in Mumbai, he holds a bachelor's degree in computer engineering. He has written over 50 programming tutorials on his personal blog (http://karanbalkar.com), covering popular technologies and frameworks.
At present, Karan is a software engineer. He has been trained on various technologies such as Java, Oracle, and .NET. Besides being passionate about technology, he loves to write poems and travel to different places. He also likes listening to music and enjoys playing the guitar.
Rick Boyer began programming when he was 11 and wrote his first paid program before graduating from high school. Against his better judgment, programming became his career, and he never looked back. With over 20 years of professional software development experience in Windows, the Web, and several mobile platforms, he started his own software consulting business called NightSky Development. He's always had a passion for mobile computing and now focuses on Android development. His hobbies include astronomy, computer games, and gardening. You can contact him at about.me\RickBoyer.
Ankit Garg is a mobile engineer with four and a half years of work experience and is based at Mountain View, California. Currently, he works with AOL as an Android engineer. He has worked on AOL Mail Mobile Web and other Android products. He is passionate about mobile technology and user product experience.
Antonio Hernández Niñirola is a computer science engineer and mobile application developer. He was born and raised in Murcia in the southeast of Spain. He has developed several websites and mobile applications that have been published in both Google Play Market and Apple Store.
As soon as Antonio got his first smartphone—a second-hand, first-generation iPhone—he started programming small applications as a form of entertainment. What started as a hobby became a passion and is now leading his career, both professionally and academically.
After getting his BSc in computer science, he got a master's degree in technology and informatics. Antonio went for further studies and is now a doctorate student in the software engineering group of the Faculty of Computer Science of the University of Murcia. His main research topic is the usability and security assessment of mobile applications.