Steven G. Louie is Professor of Physics at the University of California, Berkeley, and Senior Faculty Scientist at the Lawrence Berkeley National Laboratory. His research spans a broad spectrum of topics in theoretical condensed matter physics and nanoscience. He is an elected member of the National Academy of Sciences and the American Academy of Arts and Sciences, and an academician of the Academia Sinica of the Republic of China, Taiwan. He has won numerous awards and prizes for his work, including the Rahman Prize and the Davisson-Germer Prize of the American Physical Society, the Materials Theory Award of the Materials Research Society, and the Sustained Outstanding Research in Solid State Physics Award of the US Department of Energy. He and Marvin L. Cohen shared the Foresight Institute Richard P. Feynman Prize in Nanotechnology (Theory).