Sam Guckenheimer has 25 years of experience as architect, developer, tester, product manager, project manager, and general manager in the software industry in the U.S. and Europe. Currently, Sam is the group product planner for Microsoft Visual Studio Team System. In this capacity, he acts as chief customer advocate, responsible for the end-to-end external design of the next releases of these products. Prior to joining Microsoft in 2003, Sam was director of Product Line Strategy at Rational Software Corporation, now the Rational Division of IBM. He holds five patents on software lifecycle tools. A frequent speaker at industry conferences, Sam is a Phi Beta Kappa graduate of Harvard University. Sam lives in the Puget Sound area with his wife and three of his four children.