Robert W. Erickson, Ph.D., is a member of the faculty of electrical and computer engineering at CU-Boulder, where he served as department chair in 2002-2006. He is currently the Caroline and Wilfred Slade Professor of Electrical and Computer Engineering. He co-directs the Colorado Power Electronics Center with Dragan Maksimovic. Erickson is a fellow of the IEEE and is the author of the textbook Fundamentals of Power Electronics, now in its second edition. He is the author of approximately 100 journal and conference papers in the area of power electronics. In 1996, he received the IEEE Power Electronics Society Transactions Prize Paper Award. His current research interests include modeling and control of power conversion systems, modular/multilevel converter systems, and power electronics for renewable energy sources (wind and solar).