Dr. C-S Chang is a Managing Principal Research Physicist at Princeton Plasma Physics Laboratory, Princeton University. His prior positions include faculty of Courant Mathematical Sciences, NYU and faculty of Korean Advanced Institute of Science and Technology. He has extensive experience in successfully leading large-scale, multi-institutional, multi-disciplinary teams composed of fusion energy scientists, computer scientists, and applied mathematicians; which include the Proto-Type Fusion Simulation Project for Plasma Edge Simulation, SciDAC-2 Center for Plasma Edge Simulation (CPES), SciDAC-3 Center for Edge Plasma Simulation (EPSI), and the new SciDAC-4 Partnership Center for High-fidelity Boundary Plasma Simulation (XBP). C.S. Chang is a Fellow of the American Physical Society, and has been serving in many national and international leadership roles, which includes chairing the recent DOE ASCR/FES Exascale Requirement Review activities. He has given numerous invited and plenary talks, keynote speeches, and tutorial lectures at major international conferences, and has supervised more than 20 Ph.D. dissertations.