Ross A. Hammond is Senior Fellow in Economics and Director, Center on Social Dynamics & Policy at Brookings. His primary expertise is modeling dynamics in economic, social, and public health systems using methods from complexity science. Current research topics include obesity, food systems, tobacco, health disparities, literacy, crime, corruption, and cancer etiology. Hammond received his B.A. from Williams College and his Ph.D. from the University of Michigan. He has numerous scientific publications, and his work has been featured in major news media. Hammond was recently appointed to advisory council for the National Institute of Minority Health & Health Disparities, has served on several IOM committees, and holds formal advisory positions at the National Cancer Institute and the FDA. He has been a member of four NIH-funded research networks using systems science, and holds appointments at Harvard School of Public Health, the Santa Fe Institute, and Washington University in St Louis.