Patrick J. Walsh is a Professor of Chemistry at University of Pennsylvania. He received his B.A. from UC San Diego, where he was mentored by Prof. Charles Perrin, and his Ph.D from UC Berkeley, where he studied organometallic chemistry with Prof. Robert G. Bergman. Following an NSF postdoctoral fellowship with Prof. K. B. Sharpless at the Scripps Research Institute, he moved across town to become an assistant professor at San Diego State University and a professor at Centro de Graduados e Investigaci??n, Instituto Tecnol??gico de Tijuana (Mexico). In 1999 he moved to his current position at the University of Pennsylvania where he is currently professor of chemistry. Walsh has received several awards, most recent of which was the 2006 Philadelphia Section Award of the ACS. Walsh's interests are in asymmetric catalysis, development of new methods, reaction mechanisms, and inorganic synthesis.??