Ichiro Kawachi, M.D., Ph.D., is Professor of Social Epidemiology, and Chair of the Department of Social and Behavioral Sciences at the Harvard T.H. Chan School of Public Health. Kawachi received both his medical degree and Ph.D. (in epidemiology) from the University of Otago, New Zealand. He has taught at the The Harvard Chan School since 1992. Kawachi has published over 400 articles on the social and economic determinants of population health. He was the co-editor (with Lisa Berkman) of the first textbook on Social Epidemiology, published by Oxford University Press in 2000. His other books include The Health of Nations with Bruce Kennedy (The New Press, 2002); Neighborhoods and Health with Lisa Berkman (Oxford University Press, 2003); Globalization and Health with Sarah Wamala of the Swedish National Institute of Public Health (Oxford University Press, 2006), and Social Capital and Health (Springer, 2008) co-edited with S.V. Subramanian and Daniel Kim. Kawachi is the Senior Editor (Social Epidemiology) of the international journal Social Science & Medicine since 2000. He is an elected member of the Institute of Medicine of the US National Academy of Sciences.