Dr. Xia is the James M. McKelvey Professor for Advanced Materials in Department of Biomedical Engineering, with joint appointments in Department of Energy, Environmental, and Chemical Engineering, Department of Chemistry, and Division of Biological and Biomedical Sciences (DBBS) at Washington University in St. Louis.

Dr. Xia received his Ph.D. degree in physical chemistry from Harvard University (with Professor George M. Whitesides) in 1996, his M.S. degree in inorganic chemistry from University of Pennsylvania (with the late Professor Alan G. MacDiarmid) in 1993, and his B.S. degree in chemical physics from the University of Science and Technology of China (USTC) in 1987.  He came to the United States in 1991.

Dr. Xia has received a number of prestigious awards, including the 2006 NIH Director's Pioneer Award (NDPA), Leo Hendrik Baekeland Award (2005), Camille Dreyfus Teacher Scholar (2002), David and Lucile Packard Fellow in Science and Engineering (2000), Alfred P. Sloan Research Fellow (2000), NSF Early Career Development Award (2000), ACS Victor K. LaMer Award (1999), and Camille and Henry Dreyfus New Faculty Award (1997).

Dr. Xia is an Associate Editor of Nano Letters and has served on the Advisory Boards of Nano Today (2006-), Langmuir (2005-), Chemistry of Materials (2005-2007), International Journal of Nanoscience (2004-), International Journal of Nanotechnology (2004-), and Advanced Functional Materials (2001-).  He also has served as a Guest Editor of special issues for Advanced Materials five times and MRS Bulletin one time.