Joshua M. Epstein, Ph.D., is Professor of Emergency Medicine at Johns Hopkins University, with Joint Appointments in the Departments of Applied Mathematics and Statistics, Economics, International Health, Biostatistics, Environmental Health Sciences, and the Institute for Computational Medicine. He is Director of the JHU Center for Advanced Modeling in the Social, Behavioral, and Health Sciences. He is an External Professor at the Santa Fe Institute and a member of the New York Academy of Sciences. Earlier, Epstein was Senior Fellow in Economic Studies and Director of the Center on Social and Economic Dynamics at the Brookings Institution. He is a pioneer in agent-based computational modeling of biomedical and social dynamics. He has authored or co-authored several books including Growing Artificial Societies: Social Science from the Bottom Up, with Robert Axtell (MIT Press/Brookings Institution); Nonlinear Dynamics, Mathematical Biology, and Social Science (Addison-Wesley), and Generative Social Science: Studies in Agent-Based Computational Modeling (Princeton University Press). Epstein holds a Bachelor of Arts degree from Amherst, a Ph.D. from MIT, and has taught at Princeton, and lectured worldwide. In 2008, he received an NIH Director's Pioneer Award, and in 2010 an Honorary Doctorate of Science from Amherst College.