Sencha Touch 2 Mobile JavaScript Framework

John Earl Clark holds a Master's degree in Human Computer Interaction from Georgia Tech and an undergraduate degree in Music Engineering from Georgia State University. He and his co-author, Bryan P. Johnson, worked together at MindSpring and, later, EarthLink; starting out in Technical Support and Documentation before moving into application development and, finally, the management of a small development team. After leaving EarthLink in 2002, John began working independently as a consultant and a programmer, before starting Twelve Foot Guru, LLC. with Bryan in 2005. He has been working with Sencha Touch since its first beta releases. He has also worked with Sencha's ExtJS since its early days when it was still known as YUI-Ext. He has also previously written a book with Bryan Johnson called Sencha Touch Mobile JavaScript Framework, Packt Publishing. When he is not buried in code, John spends his time woodworking, playing guitar, and brewing his own beer.

Bryan P. Johnson is a graduate of the University of Georgia. He went to work for MindSpring Enterprises in late 1995, where he met his co-author John Earl Clark. At MindSpring and later, EarthLink; Bryan served in multiple positions for over seven years, including the Director of System Administration and Director of Internal Application Development. After leaving EarthLink, he took some time off to travel before joining John to start Twelve Foot Guru. Bryan has worked with Sencha's products since the early days of YUI-Ext and has used Sencha Touch since its first betas.