Jan Borgelin is a technical geek with over 15 years of professional software development experience. He currently works as the CTO at BA Group Ltd., a consultancy based in Finland. In his daily work with modern web applications, JavaScript security has become an increasingly important topic as more and more business logic is being implemented within browsers.

Sergio Viudes Carbonell is a 32-year-old mobile developer (apps and games) from Elche, Spain.

He studied Computer Science at the University of Alicante. Then, he worked on developing computer programs and web apps. Now, he works as a mobile developer, creating apps and video games for Android, iOS, and the Web.

He has previously reviewed AndEngine for Android Game Development Cookbook and Mobile Game Design Essentials. Both of these books were published by Packt Publishing. Currently, he is reviewing Mastering AndEngine Game Development, Packt Publishing.

After writing his first program in 1981 in BASIC on a Commodore CBM 8032, Moxley Stratton was hooked to programming. His interests include open source software, object-oriented design, artificial intelligence, Clojure, and computer language theory. In his past jobs, he has written software in JavaScript, CoffeeScript, Java, PHP, Perl, and C. He is currently employed with Househappy as a senior backend engineer. He enjoys playing jazz piano, surfing, snowboarding, hiking, and spending time with his daughter.

"Software testing excellence" is the motto that drives Mihai Vilcu. Having gained exposure to top technologies in both automated and manual testing, functional and nonfunctional, he became involved in numerous large-scale testing projects over several years.

Some of the applications covered by him in his career include CRMs, ERPs, billing platforms, rating, collection, payroll, and business process management applications.

Currently, as software platforms are becoming more popular in many industries, Mihai has worked in fields such as telecom, banking, healthcare, software development, Software as a Service (SaaS), and more.

You can contact him at <[email protected]> for questions regarding testing.