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National Academy of Sciences
National Academy of Engineering
Institute of Medicine
National Research Council
Committee on Population
Division of Behavioral and Social Sciences and Education

CPOP Members


Robert D. Mare, Chair

Distinguished Professor

Department of Sociology
University of California-Los Angeles


Robert D. Mare is professor of sociology at the University of California at Los Angeles and founding director of the California Center for Population Research. He is widely known for his contributions to social demography in five major areas: models of educational stratification; marriage markets and assortative mating; statistical methods; neighborhood change; and population models of stratification. He has been widely recognized for his scholarship and played a number of important roles in professional associations. He was elected as a member of the National Academy of Sciences in 2010 and is a fellow of the American Academy of Arts and Sciences. He has been a fellow of the Center for Advanced Studies in Behavioral and Social Sciences, a Guggenheim fellow and a recipient of the American Sociological Association’s Lazarsfeld Memorial Award. He has also served in a number of posts at the University of Wisconsin, UCLA, and PAA and as editor of the journal Demography. He was the 2010 president of the Population Association of America (PAA). He received his Ph.D. from the University of Michigan. 

Jere R. Behrman

Professor of Economics

University of Pennsylvania

Jere R. Behrman is the William R. Kenan, Jr. professor of economics and director of the Population Studies Center at the University of Pennsylvania. His research interests are in empirical micro economics, economic development, labor economics, human resources, economic demography and household behaviors. His primary research has been on empirical micro demographic and economic behaviors, primarily in developing countries but with substantial ongoing work through the years on the United States. He served on the NRC-IOM Panel on Transitions to Adulthood in Developing Countries and the NRC Panel on Improving Urban Labor Markets. He received his Ph.D. in economics from Massachusetts Institute of Technology.


Jason D. Boardman

Professor of Sociology and
Director, Health & Society Program
Institute of Behavioral Science

University of Colorado at Boulder

Jason D. Boardman is professor of sociology and director, health and society program with the Institute of Behavioral Science at the University of Colorado at Boulder. His research focuses on the social determinants of health with an emphasis on the gene-environment interactions related to health behaviors. He currently serves as co-president of the Society for Biodemography and he is on the editorial board for Social Forces, Journal of Health & Social Behavior, and Demography. He received his B.A. in sociology from the University of California at Berkeley and his Ph.D. in sociology from the University of Texas.


Dora L. Costa


Department of Economics

University of California-Los Angeles

Dora L. Costa is professor of economics at the University of California at Los Angeles where she teaches economic history. She is an associate director of the California Population Research Center, a research associate in the National Bureau of Economic Research’s (NBER) programs on the Development of the American Economy and on Aging, and is the director of the NBER working group on cohort studies. Her work has covered a wide range of topics including: retirement, elderly living arrangements, determinants of older age mortality and morbidity, long-term trends in the health of the population, trends in leisure, CPI bias, and social capital. She received her B.A. in economics and mathematics from the University of California at Berkeley and her Ph.D. in economics and mathematics from the University of Chicago.


Peter J. Donaldson


The Population Council

Peter J. Donaldson was appointed as the president of the Population Council by its board of trustees in January 2005. Prior to that, he served as vice president and director of the International Programs Division, the Council’s largest division, and also served as acting president prior to becoming president. He was the chief executive officer of the Washington, DC-based Population Reference Bureau and served as director of the Committee on Population of the National Research Council. He was a Council staff associate in Thailand and a representative in South Korea. He spent eight years at Family Health International in North Carolina, where he served ultimately as director of development and government relations. He has also worked on the Population Council as a senior associate and regional director for South and East Asia, located in Thailand. Dr. Donaldson served on the board of directors of the Population Association of America, the council of the population section of the American Sociological Association, and as a member of the advisory committee of the Institute of Population and Social Research, Mahidol University, Bangkok. He has written or edited six books and numerous articles for both scientific and popular publications on population, development, and Asian affairs. He has a Ph.D. in sociology from Brown University.


Vicki A. Freedman

Research Professor

Institute for Social Research

University of Michigan

Vicki A. Freedman is a research professor at the University of Michigan’s Institute for Social Research. Her research focuses on the consequences of population aging for disability, long-term care, and related public health issues. Recent publications focus on late-life disability trends, time use and wellbeing in later life, the role of environmental factors in late-life health and disability, and associated measurement issues. She is also co-author of the text, Public Health and Aging: Maximizing Functioning and Wellbeing (2010). Dr. Freedman currently serves as co-principal investigator of the National Health and Aging Trends Study, a platform for studying late-life disability trends and trajectories, and as associate director of the Panel Study of Income Dynamics, a long-term panel study of social, economic, and health-related dynamics over the life course and across generations. She also co-directs the Michigan Center on the Demography of Aging. From 2005-2007 she served on the Institute of Medicine’s Committee on Disability in America. Dr. Freedman received her M.A. in demography from Georgetown University and Ph.D. in epidemiology from Yale University.


Kathleen Mullan Harris

Department of Sociology
The University of North Carolina, Chapel Hill

Kathleen Mullan Harris is the James E. Haar distinguished professor of sociology and faculty fellow at the Carolina Population Center at the University of North Carolina at Chapel Hill. Her research focuses on social inequality and health with particular interests in family demography, the transition to adulthood, health disparities and family formation. She is director and principal investigator of the National Longitudinal Study of Adolescent Health (Add Health), a longitudinal study of the social, behavioral, and biological linkages in developmental and health trajectories from adolescence into adulthood. She was awarded the 2004 Clogg Award for Early Career Achievement from the Population Association of America and was president of the Population Association of America in 2009. She received her Ph.D. in demography from the University of Pennsylvania.


Mark D. Hayward

Professor and Director

Population Research Center

University of Texas at Austin

Mark D. Hayward is a professor of sociology, Centennial Commission professor in the Liberal Arts, and director of the Population Research Center at the University of Texas at Austin. He is former president of the Southern Demographic Association and chair-elect of the Aging and Life Course section of the American Sociological Association. Dr. Hayward's primary research interests center on the influence of life course exposures and events on the morbidity and mortality experiences of the older population. Presently, he is involved in several studies focusing on the origins of health disparities at older ages: early life influences on socioeconomic, race and gender disparities in adult morbidity and mortality; the demography of race/ethnic and gender disparities in healthy life expectancy; social inequality in the biomarkers of aging; and the health consequences of marriage, divorce, and widowhood. Recent publications have focused on changes in morbidity and mortality determining trends in healthy life expectancy, socioeconomic and race/ethnic differences in healthy life expectancy, the association between childhood health and adult morbidity, and the socioeconomic origins of the race gap in chronic disease morbidity. His recently published work has appeared in the American Sociological Review, Demography, the Journal of Gerontology: Social Sciences, the Journal of Health and Social Behavior, and Social Science and Medicine. He has served on the boards of the Population Association of America and the Society of Biodemography and Social Biology, and he was a member and then chair of the Inter-University Consortium for Political and Social Research council. Dr. Hayward received his Ph.D. in sociology from Indiana University.


Hillard S. Kaplan

Professor of Anthropology

University of New Mexico

Hillard S. Kaplan is a professor of anthropology at the University of New Mexico. He examines the evolution of the human life course. His work has at various times focused on food sharing, fertility decisions, parental investment, sex roles, subsistence behavior, intelligence, and the life span. His empirical work draws on fieldwork with a number of populations including the Ache (Paraguay), Mashco-Piro (Peru), Yora/Yaminahua (Peru), Machiguenga (Peru), and Xhosa (South Africa). Past work on fertility and parental investment has also drawn on data collected from men living in Albuquerque, New Mexico. He currently directs the Tsimane Health and Life History Project with Michael Gurven (UC Santa Barbara). Dr. Kaplan has a B.A. from McGill University, an M.A. in communications from the University of Pennsylvania, an M.A. in anthropology from Columbia University, and a Ph.D. from the University of Utah.


Wolfgang Lutz


World Population Program

International Institute for Applied

  Systems Analysis

Wolfgang Lutz is founding director of the Wittgenstein Centre for Demography and Global Human Capital, a new collaboration between International Institute for Applied Systems Analysis (IIASA), the Austrian Academy of Sciences and the WU-Vienna University of Economics and Business. He is also director of the Vienna Institute of Demography (VID) of the Austrian Academy of Sciences, Professor of Applied Statistics at the WU, and professorial research fellow at the Oxford Martin School for 21st Century Studies. He has worked on family demography, fertility analysis, population projection, and the interaction between population and environment. He has been conducting a series of in-depth studies on population-development-environment interactions in Mexico, several African countries, and Asia. He is the author of the series of world population projections produced at IIASA and has developed approaches for projecting education and human capital. He is also principal investigator of the Asian MetaCentre for Population and Sustainable Development Analysis. Lutz is author and editor of 28 books and more than 200 refereed articles, including 8 in Science and Nature. He has a Ph.D. in demography from the University of Pennsylvania and a second doctorate (habilitation) from the University of Vienna.


Sara S. McLanahan

Professor of Siologoy and Public Affairs

Office of Population Research

Princeton University

Sara S. McLanahan is the William S. Tod professor of sociology and public affairs at Princeton University. She is a faculty associate of the Office of Population Research and the founder and director of the Bendheim-Thoman Center for Research on Child Wellbeing. She is principal investigator of the Fragile Families Study and editor-in-chief of The Future of Children, a journal dedicated to providing research on policies to improve child health and wellbeing. She is a past president of the Population Association of America, and has served on the boards of the American Sociological Association and the Population Association of America. She is a member of the National Academy of Sciences and currently serves on the boards of the William T. Grant Foundation, the Russell Sage Foundation and the Robert Wood Johnson "Health and Society Scholars" program. She is the author of many articles and books including Fathers Under Fire: The Revolution in Child Support Enforcement (1998); Growing Up with a Single Parent (1994); and Single Mothers and Their Children: A New American Dilemma (1986). She earned her Ph.D. in sociology from the University of Texas at Austin.


Emilio Parrado
Department of Sociology
University of Pennsylvania

Emilio Parrado is Professor and Chair, Department of Sociology of the University of Pennsylvania and is Director of the Latin American and Latino Studies Program. His research interests are migration, both within and across countries, as a significant life-course event with diverse implications for the migrants themselves and their families as well as for sending and receiving areas and countries. His research has migration as it central focus and its interaction with other demographic and social processes. He holds a Ph.D. in Sociology from the University of Chicago. 


David R. Weir

Research Professor

Survey Research Center

Institute for Social Research

University of Michigan

David R. Weir is research professor in the Survey Research Center of the Institute for Social Research at the University of Michigan, and director of the NIA-funded Health and Retirement Study. His current research interests include the use of longitudinal data to study chronic disease processes; health care decision-making at older ages; the role of personality factors in lifetime economic success; and the use of biomarkers in population surveys. He currently serves on the NRC Panel on Policy Research and Data Needs to Meet the Challenge of Aging in Asia and served on the Planning Committee for Academies-wide Initiative on the Grand Challenges of an Aging Society. He received his Ph.D. in economics from Stanford University.


John R. Wilmoth

Department of Economic and Social Affairs, Population Division
United Nations

John R. Wilmoth is director of the United Nation’s Department of Economic and Social Affairs (DESA) Population Division. He was formerly a professor in the Department of Demography of the University of California at Berkeley, and a researcher in Berkeley's Center on the Economics and Demography of Aging. He is also an affiliated faculty member in the Department of Sociology. From 2005 until 2007, he worked for the Population Division of the United Nations. He is the director of the Human Mortality Database (HMD), a project co-sponsored by the University of California at Berkeley and the Max Planck Institute for Demographic Research, Rostock, Germany. Most of his research concerns the increase in human longevity that has occurred during the past 250 years. This research has also included a special emphasis on developing better sources of information about historical patterns and trends in human mortality and life expectancy. He participated in the 2003 Social Security Advisory Board’s Technical Panel on Assumptions and Methods. He has a Ph.D. in statistics and demography from Princeton University.




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