Charles Epstein is a Senior Research Scientist at the Center for Computational Mathematics. He is the Thomas A. Scott Professor Emeritus at the University of Pennsylvania. Epstein was the founder and chair of the Graduate Group in Applied Mathematics and Computational Science at the University of Pennsylvania. His current research interests include Partial Differential Equations, Mathematical Physics, Population Genetics, Imaging Science, and Numerical Analysis; he has also worked in Hyperbolic Geometry, Univalent Function Theory, Several Complex Variables, Microlocal Analysis and Index Theory. He was a Sloan Foundation Fellow. He is a fellow of the American Association for the Advancement of Science, and the American Mathematical Society. He was a co-recipient of the Stefan Bergman Prize in 2016, and currently serves as the Chair of the Board of Trustees of ICERM. He holds a Ph.D. and MS in Mathematics from New York University and an SB in Mathematics from the Massachusetts Institute of Technology.