Yannis C. Yortsos is dean of the Viterbi School of Engineering at the University of Southern California. He is the Chester F. Dolley Professor of Chemical and Petroleum Engineering, and holds the Zohrab A. Kaprielian Dean's Chair in Engineering. Yortsos received his B.S. from the National Technical University, Athens, Greece, and his M.S. and Ph.D. from the California Institute of Technology, all in chemical engineering. Along with his partners at Duke University and Olin College, he helped promote the National Academy of Engineering Grand Challenges of Engineering by co-hosting the first NAE Grand Challenges Summit at Duke University in Spring 2009 and its follow-up at USC in Fall 2010. The first summit spawned the Grand Challenges Scholars Program for undergraduate engineering schools across the nation. Yortsos is a member of the National Academy of Engineering.