Pete Bacon Darwin is a freelance programmer who is currently working with the AngularJS team at Google. He has a degree in Math from Cambridge University. He worked for a bunch of consulting companies before giving it all up to look after his kids and do coding in the background.
When he isn't coding or parenting, Pete teaches Aikido and wishes he could find time to do more climbing and mountaineering.
Pete co-authored Mastering Web Application Development with AngularJS, Packt Publishing.
Darius Riggins is a veteran full-stack developer who focuses on solving challenging problems with creative solutions.
Ruoyu Sun is a designer and developer living in Hong Kong. He is passionate about programming and has contributed to several open source projects. He founded several tech start-ups using a variety of technology before going into the industry. He is the author of the book Designing for XOOPS, O'Reilly Media.