Bill Scott is Ajax Evangelist at Yahoo! where he spreads the goodness of "rich and sane" Ajax design & development. Bill is a frequent speaker at conferences and workshops discussing the nuances of good design and the challenges of great engineering. At Yahoo! Bill was also the Design Pattern curator where he launched the public Yahoo! Design Pattern Library (http://developer.yahoo.com/ypatterns).

Before Yahoo! Bill led User Experience at Sabre Airline Solutions. It was there he co-founded Rico (an open source Ajax framework - http://openrico.org.) His first venture into the world of user interface design was in creating GATO, a very successful early Macintosh submarine simulation game. For 20+ years Bill has bounced back and forth between design and engineering projects, creating & designing products in areas as diverse as video games, widget libraries, war gaming, IDE tools, airline management and Web consumer sites.  Bill has a special interest in the process of designing great interfaces as well as understanding the underlying patterns and principles of good design. His musings can be found at http://looksgoodworkswell.com.