Robbie Cheng is the author of the book "ZK: Ajax without the Javascript
Framework". He is a software developer at Potix Corporation, and the
principle developer of ZK Android and ZK Forum. Recently, he become a
ZK evangelist, and has been invited to give speeches at Google Developer
Day and Mobile Monday, as well as published many articles on the Internet.
Paul Bakaus is a UI architect living in Germany. He's the creator and
project lead of jQuery UI and works for the open source company, Liferay, in a
full-time sponsored position to jQuery UI. He's responsible for the
overall direction of jQuery UI and he enjoys speaking about
his user interface work in many places of the world. He's also a member
of the jQuery team and takes part in the discussion of the overall
direction of the jQuery project. In the past, he was largely
responsible for creating the jQuery dimensions plugin (which is now
part of the jQuery core) and worked together with Stefan Petre on the
rich effects and components library Interface.