Dr. Takeshi Egami is UT-ORNL Distinguished Scientist and Professor of the University of Tennessee, Department of Materials Science and Engineering and Department of Physics and Astronomy, and of Oak Ridge National Laboratory, since 2003. He is also Director of UT-ORNL Joint Institute for Neutron Sciences. Before moving to Tennessee he was Assistant Professor (1973-76), Associate Professor (1976-80) and Professor (1980-2003) at the University of Pennsylvania, Department of Materials Science and Engineering. He was Department Chair of Materials Science and Engineering (1997-2002). He is Fellow of the American Physical Society, and received J. D. Hanawalt Award, International Union of Crystallography, 2010, Bertram Eugene Warren Diffraction Physics Award, Amer. Crystallographic Assoc., 2003, Metal Physics Achievement Award, Japan Institute of Metals, 1988, and Robert Lansing Hardy Gold Medal of TMS AIME, 1974. He is a co-author of a widely read book on the atomic pair-density function (PDF) method, Underneath the Bragg Peak: Structural Analysis of Complex Materials, with S. J. L. Billinge (2003, 2012), and directed the upgrading project of a neutron powder PDF diffractometer, NPDF, of the Lujan Center, Los Alamos National Laboratory (2000-2003). His works have been cited over 12,000 times. He received the Ph.D. degree in Materials Science from the University of Pennsylvania (1971) and the B.S. degree in Applied Physics from the University of Tokyo (1968).