Peidong Yang is a chemistry professor and the S. K. and Angela Chan Distinguished Chair Professor in Energy at the University of California, Berkeley, and a senior faculty scientist at Materials Sciences Division, Lawrence Berkeley National Laboratory. He is a member of both the National Academy of Sciences and the American Academy of Arts and Sciences. Yang is known particularly for his work on semiconductor nanowires and their photonic and energy applications including artificial photosynthesis. He is director for California Research Alliance by BASF and one of the co-directors for the Kavli Energy Nanoscience Institute at Berkeley. Yang received his bachelor’s degree in chemistry from the University of Science and Technology in China and his Ph.D. in chemistry from Harvard University. After a postdoctoral fellowship at the University of California, Santa Barbara, he joined the faculty at Berkeley. He is the recipient of a MacArthur Fellowship, the E. O. Lawrence Award, the ACS Nanoscience Award, the MRS Medal, the Baekeland Medal, an Alfred P. Sloan research fellowship, the Arnold and Mabel Beckman Young Investigator Award, the National Science Foundation Young Investigator Award, the MRS Young Investigator Award, the Julius Springer Prize for Applied Physics, the ACS Pure Chemistry Award and the Alan T. Waterman Award.