Ross A. Hammond is a senior fellow in Economic Studies at the Brookings Institution, where he is director of the Center on Social Dynamics and Policy. His primary area of expertise is modeling complex dynamics of social, economic, political and public health systems using mathematical and agent-based computational methods. His current research topics include obesity, behavioral epidemiology, corruption and anti-corruption policies, ethnocentrism and inter-group relations, and the dynamics of trust.

Hammond received his B.A. in Economics and Political Science from Williams College, and his Ph.D. in Political Science from the University of Michigan. He has authored or co-authored numerous scholarly publications, on a wide range of topics, in journals such as Proceedings of the National Academy of Sciences, Journal of Conflict Resolution, Evolution, Theoretical Population Biology, Preventing Chronic Disease, PLOS One, and Complexity. His work has been featured in New Scientist magazine, Salon and The Atlantic Monthly. Hammond serves on the editorial board of the journal Childhood Obesity and on the steering committee for the Comparative Modeling Network of the National Collaborative on Childhood Obesity Research (a joint venture of NIH, USDA and the Robert Wood Johnson Foundation).

Hammond has previously been the Okun-Model fellow in economics at Brookings, an NSF IGERT IDEAS fellow in the Center for the Study of Complex Systems at the University of Michigan, a visiting scholar at The Santa Fe Institute, and a consultant at PricewaterhouseCoopers LLP.

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