Ke Xu is an associate professor of Chemistry at UC-Berkeley. He received his B.S. from Tsinghua University, did his Ph.D. work with Prof. Jim Heath at Caltech, and performed postdoctoral research with Prof. Xiaowei Zhuang at Harvard University. Dr. Xu joined the Department of Chemistry at UC-Berkeley in the summer of 2013. His current research develops new microscopy tools to interrogate biological, chemical, and materials systems at the nanoscale with extraordinary resolution, sensitivity, and functionality. To this end, his lab takes a multidimensional approach that integrates advanced microscopy, spectroscopy, nanotechnology, and cell biology. Dr. Xu has been named a Packard Fellow for Science and Engineering, a Sloan Research Fellow, a Beckman Young Investigator, a Pew Biomedical Scholar, and the C&EN Talented 12.