Robert M. Hauser is the Executive Officer of the American Philosophical Society. From 2010 to 2017, he served as Executive Director of the Division of Behavioral and Social Sciences and Education at the National Academies of Sciences, Engineering, and Medicine. He is the Vilas Research Professor and Samuel Stouffer Professor of Sociology, Emeritus, at the University of Wisconsin-Madison. He has been an investigator on the Wisconsin Longitudinal Study (WLS) since 1969 and led the study from 1980 to 2010. The WLS, which began as a study of post-secondary education, has followed the lives of more than 10,000 Wisconsin High School graduates of 1957 for 60 years and has become a national resource for bio-social research on health and retirement. While at the UW-Madison, he directed the Center for Demography of Health and Aging, the Institute for Research on Poverty, and the Center for Demography and Ecology. Hauser’s research interests include statistical methodology, trends in social mobility and in educational progression and achievement, the uses of educational assessment as a policy tool, and changes in socioeconomic standing, cognition, health, and well-being across the life course.