Kristina M. Johnson, Under Secretary for Energy, U.S. Department of Energy, Washington, DC Washington, D.C. Before joining the U.S. Administration, Dr. Johnson was the provost and senior vice president for academic affairs of Johns Hopkins University and formerly dean of Duke University's Pratt School of Engineering where she helped to set up interdisciplinary efforts in photonics, bioengineering and biologically inspired materials, and energy and the environment. She is an electrical engineer who has 142 refereed papers and proceedings and more than 129 U.S. and foreign patents or patents pending which include pioneering work on liquid crystal on silicon microdisplays and pattern recognition systems for cancer prescreening. Among numerous awards, she received the 2008 John Fritz Medal, widely considered the highest award in the engineering profession. Dr. Johnson is a fellow of the Optical Society of America, IEEE, and SPIE, and is a Fulbright Scholar. She has served on the Board of Directors of Mineral Technologies Inc., Boston Scientific Corp., AES Corp., and Nortel Networks. She helped found several companies, including ColorLink Inc, SouthEast Techinventures, and Unyos. She received a Ph.D. degree in electrical engineering from Stanford University.