Sebastian Stehle is a Software engineer from Germany. He is an enthusiastic silverlight developer and the author of the
http://imagetools.codeplex.com/ library. He is also interested in game development and service oriented architecture and studies computer science at the Karlsruhe Institut of Technology (KIT). He is also member of an international development team, who works on a free diagram editor with silverlight:
http://www.silverdiagram.net