Miguel Catalan Bañuls is a young engineer whose only purpose is to try and make his little contribution to changing the world. He is mainly a software developer, but is actually a team leader.

He holds a degree in Industrial Engineering and is a partner at Geeky Theory. Also, he is the vice president of the IEEE Student Branch of the Miguel Hernandez University (UMH in Spanish).

Seyton Bradford is a software developer and an engineer with over 10 years experience in mobile device security and forensics.

He currently works at viaForensics as a Senior Software Engineer focusing on app and mobile device security.

He has presented his work across the globe and acted as a reviewer for academic journals.

Nick Glynn is currently employed as a technical trainer and consultant delivering courses and expertise on Android, Python, and Linux at home in the UK and across the globe. He has a broad range of experience, from board bring-up, Linux driver development, and systems development through to full-stack deployments, web app development, and security hardening for both the Linux and Android platforms.

Rui Gonçalo is finishing his Masters thesis at University of Minho, Braga, Portugal, in the field of Android security. He is developing a new feature that aims at providing users with fine-grained control over Internet connections. His passion for mobile security arose from attending lectures on both cryptography and information systems security at the same university, and from several events held by the most important companies in the field in Portugal. He provides the point of view of an Android security beginner who sees this book as a must read for those keen to become security experts.

Elliot Long grew up in Silicon Valley and has been creating mobile apps since 2005. He is the co-founder of the mobile travel guide producer mycitymate SL/GmbH. Since 2009, he has worked as Lead Android and BlackBerry Developer for Intohand Ltd.