He’s the creator and 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 and roadmap 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 core 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.