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The National Academies of Sciences, Engineering and Medicine
Committee on National Statistics
Division of Behavioral and Social Sciences and Education


Becker, Tara, Program Officer(202) 334-3456
Citro, Constance F., Senior Scholar(202) 334-3009
Cohen, Michael L., Senior Program Officer(202) 334-3765
Cork, Daniel L., Senior Program Officer(202) 334-2573
Ghitelman, Mary, Senior Program Assistant(202) 334-1654
Grimes, Ellie, Senior Program Assistant(202) 334-3459
Harris-Kojetin, Brian, Director(202) 334-2077
Kirkendall, Nancy J., Senior Program Officer(202) 334-2303
Koenig, Judith A., Senior Program Officer(540) 462-2987
Krone, Rebecca, Program Coordinator(202) 334-2515
Mackie, Christopher D., Senior Program Officer(202) 334-2099
Majmundar, Malay, Senior Program Officer(202) 334-2478
Mann, Anthony S., Program Associate(202) 334-3266
Marton, Krisztina, Senior Program Officer(202) 334-3902
Siri, Michael J., Associate Program Officer(202) 334-3113
White, Jordyn, Program Officer(202) 334-1552


Tara Becker is a program officer for the Committee on National Statistics. Prior to joining The National Academies, Tara worked at the UCLA Center for Health Policy Research where she conducted research on gender and racial/ethnic disparities in health insurance coverage and on survey measurement and data quality for the California Health Interview Survey (CHIS). In addition, she collaborated with CHIS funders and researchers in designing and implementing policy evaluation studies and co-led the CHIS sexual orientation and gender identity workgroup. Previously, Tara was a UCLA/RAND postdoctoral fellow in the UCLA Department of Health Policy and Management where her research focused on quantitative methodology, measurement, and the relationship between labor market and family decisions, specifically how the provision of employer-sponsored coverage shapes family formation and dissolution decisions. She worked as a biostatistician at the University of Wisconsin, Madison where she collaborated with medical and public health researchers on a wide range of health-related research topics, including racial disparities in obesity among adolescents, health-related quality of life among children and adolescents with cystic fibrosis, Internet addiction among college students, and comparing physician and patient assessments of risk for stent and coronary bypass surgery among patients at risk of a heart attack or stroke. She has expertise in survey design, health policy, race, gender, and class inequality, demography, and statistical methodology. Tara holds an M.S. in statistics and sociology and a Ph.D. in sociology all from the University of Wisconsin-Madison.


Constance F. Citro is a senior scholar in the Committee on National Statistics. She previously served as director of the Committee on National Statistics from May 2004 to July 2017. She previously served as acting chief of staff (December 2003-April 2004) and as senior study director (1986-2003). She began her career with CNSTAT in 1984 as study director for the panel that produced The Bicentennial Census: New Directions for Methodology in 1990. She received her B.A. in political science from the University of Rochester, and M.A. and Ph.D. in political science from Yale University. Prior to joining CNSTAT, she held positions as vice president of Mathematica Policy Research, Inc., and Data Use and Access Laboratories, Inc. She was an American Statistical Association/National Science Foundation/Census research fellow in 1985-1986, and is a fellow of the American Statistical Association and an elected member of the International Statistical Institute. For CNSTAT, she directed evaluations of the 2000 census, the Survey of Income and Program Participation, microsimulation models for social welfare programs, and the NSF science and engineering personnel data system, in addition to studies on institutional review boards and social science research, estimates of poverty for small geographic areas, data and methods for retirement income modeling, and a new approach for measuring poverty. She co-edited the 2nd–6th editions of Principles and Practices for a Federal Statistical Agency, and contributed to studies on measuring racial discrimination, expanding access to research data, the usability of estimates from the American Community Survey, the National Children’s Study research plan, and the Census Bureau’s 2010 census program of experiments and evaluations.



Michael L. Cohen is a senior program officer for the Committee on National Statistics. He is currently serving as study director for the Standing Committee for Improving Motor Carrier Safety Measurement and for the Workshop on Transparency and Reproducibility in Federal Statistics. He is also assisting on the study on Reproducibility and Replicability in Science and any future studies CNSTAT carries out on the Decennial census. He was a mathematical statistician at the Energy Information Administration, an assistant professor at the School of Public Affairs at the University of Maryland, and a visiting lecturer in statistics at Princeton University. His general area of interest is the use of statistics in public policy, with particular focus in census undercount, model validation, and robust estimation. He is a fellow of the American Statistical Association and an elected member of the International Statistical Institute. He received a B.S. in mathematics from the University of Michigan and an M.S. and Ph.D. in statistics from Stanford University.



Daniel L. Cork is a senior program officer for the Committee on National Statistics, currently serving as study director of the Panel to Review the 2010 Census and the Workshop on the Benefits (and Burdens) of the American Community Survey. From September 2012 to January 2013, he served on a detail to the Statistical and Science Policy Office at the U.S. Office of Management and Budget. He joined the CNSTAT staff in 2000, and has served as study director or program officer for several CNSTAT census panels, including the Panels on Residence Rules in the Decennial Census, Research on Future Census Methods (2010 Planning panel), Design of the 2010 Census Program of Experiments and Evaluations, and Review of the 2000 Census. He also directed CNSTAT’s Panel to Review the Programs of the Bureau of Justice Statistics (in cooperation with the Committee on Law and Justice) and was senior program officer for the Panel on the Feasibility, Accuracy, and Technical Capability of a National Ballistics Database (joint with the Committee on Law and Justice and the National Materials Advisory Board). His research interests include quantitative criminology, geographical analysis, Bayesian statistics, and statistics in sports. He holds a B.S. in statistics from George Washington University, an M.S. in statistics, and a joint Ph.D. in statistics and public policy from Carnegie Mellon University.


Ellie Grimes is a senior program assistant with the Committee on Population and Committee on National Statistics. Prior to joining CNSTAT, Ellie worked as a staff assistant in the House of Representatives. Ellie received her B.A. from the University of Pennsylvania, where she studied health and societies with a concentration in health policy and law. 

Brian Harris-Kojetin is the CNSTAT director and study director for the Panel on Improving Federal Statistics for Policy and Social Science Research Using Multiple Data Sources and State-Of-The-Art Estimation Methods. He comes from OMB where he served as senior statistician in the Statistical and Science Policy Office. He chaired the Federal Committee on Statistical Methodology and was the lead at OMB on issues related to standards for statistical surveys, survey nonresponse, survey respondent incentives, and the Confidential Information Protection and Statistical Efficiency Act of 2002 (CIPSEA). He also served as the desk officer for the Bureau of Labor Statistics and the demographic programs of the U.S. Census Bureau. He is a fellow of the American Statistical Association and an adjunct faculty member at the Joint Program in Survey Methodology at the University of Maryland. Prior to joining OMB in 2001, he was the senior project leader of Research Standards and Practices at the Arbitron Company. He also previously served as a research psychologist in the Office of Survey Methods Research in the Bureau of Labor Statistics. He has a B.A. in psychology and religious studies from the University of Denver and a Ph.D. in social psychology from the University of Minnesota. 



Nancy J. Kirkendall is a senior program officer for the Committee on National Statistics. Currently, she is study director for the panel on Methods for Integrating Multiple Data Sources to Improve Crop Estimates, the workshop on Model Based Methods for Agricultural Estimates of Livestock, and the workshop on Rural Classifications. In 2008, she retired from the Energy Information Administration (EIA), where she was director of the Statistics and Methods Group. She spent three years as part of the Statistical Policy Branch, Office of Information and Regulatory Affairs, Office of Management and Budget where she served as the desk officer for the U.S. Census Bureau, the chair of the Federal Committee on Statistical Methodology, and led a variety of interagency activities. For almost 25 years, she taught part-time at the George Washington University in both the statistics department  and the engineering management and systems engineering department. She is a past vice president of the American Statistical Association and a past president of the Washington Statistical Society. She is a fellow of the American Statistical Association and a recipient of the American Statistical Association’s Founder’s Award and the Roger Herriot Award for Innovation in Federal Statistics. She holds a Ph.D. in mathematical statistics from George Washington University, and bachelors and masters degrees in mathematics from Ohio State University.


Rebecca Krone is a program coordinator for Committee on National Statistics. Previously, she worked in DBASSE as the program associate for the Board on Science Education and as a center administrator for the Superfund Research Program at Brown University. Rebecca also holds a certificate in graphic design from RISD, an M.A. in art business form Sotheby's Institute of Art, and a B.A. in art history from Brown University.

Christopher Mackie is a study director with the Committee on National Statistics specializing in economic measurement and statistics. He is currently serving as study director for an expert panel charged with assessing the economic and fiscal consequences of immigration. Recently, he completed projects on the measurement of self-reported well-being and on measuring civic engagement and social cohesion. He has served as study director for a range of projects, including those that produced the reports At What Price? Conceptualizing and Measuring Cost-of-Living and Price Indexes; Beyond the Market: Designing Nonmarket Accounts for the United States; Understanding Business Dynamics: an Integrated Data System for America’s Future; Accounting for Health and Health Care: Approaches to Measuring the Sources and Costs of Their Improvement; and Improving Measurement of Productivity in Higher Education. He is also author of Canonizing Economic Theory: How Theories and Ideas Are Selected in Economics. He holds a Ph.D. in economics from the University of North Carolina, and has held teaching positions at the University of North Carolina, North Carolina State University, and Tulane University.


Malay K. Majmundar, a senior program officer, directs the Committee on Population (CPOP). He is currently overseeing projects on mid-life mortality and socioeconomic disparities, forced migration and refugee movements, sexual and gender minorities, and the workplace and aging. He is also developing a future research portfolio for CPOP. While at the National Academies, he has worked on studies on demography, criminal justice, immigration enforcement and statistics, and the federal budget. He has a B.A. in political science from Duke University, a J.D. from Yale University, and a Ph.D. in public policy from the University of Chicago.


Krisztina Marton is a senior program officer with the Committee on National Statistics. She is currently serving as study director for the Panel on Addressing Priority Technical Issues for the American Community Survey and the Standing Committee on Integrating New Behavioral Health Measures Into the Substance Abuse and Mental Health Services Administration’s Data Collection Programs. Previously, she led CNSTAT’s contribution to the Committee on Human Spaceflight and was the study director for the Panel on the Statistical Methods for Measuring the Group Quarters Population in the American Community Survey, the Panel on Redesigning the Commercial Buildings and Residential Energy Consumption Surveys of the Energy Information Administration, the Workshop on the Future of Federal Household Surveys, and an expert meeting on more efficient screening methods for the Health and Retirement Study of the National Institute on Aging. Prior to joining CNSTAT, she was a survey researcher at Mathematica Policy Research (MPR) where she conducted methodological research and oversaw data collections for the National Science Foundation, the Department of Health and Human Services, the Agency for Healthcare Research and Quality, the Robert Wood Johnson Foundation, and other clients. Previously, she was a survey director in the Ohio State University Center for Survey Research. She has a Ph.D. in communication with an interdisciplinary specialization in survey research from Ohio State University.

Jordyn White
is a program officer for the Committee on National Statistics and for the Board on Environmental Change and Society. Currently she is the study director for a bi-national workshop on Advancing Sustainability of US - Mexico Transboundary Drylands, sponsored the Mexican Academies of Sciences, Engineering and Medicine and the George C. Mitchell foundation for Sustainability Science at the National Academies of Sciences, Engineering, and Medicine. She is co-contributor to the Panel on Indicators of Educational Equity and the Workshop on Improving Health and Cancer Research on Small Populations. Her previous projects include a workshop on Principles and Practices of Federal Program Evaluation, the Standing Committee to Reengineer 2020 Census Operations, and a workshop on Improving Collection of Criminal Justice System Involvement Indicators in Population Health Data Collection. She comes to the Academies from the U.S. Census Bureau, where she worked on the methodology, design, implementation, and production of the American Community Survey, and later served on the 2020 Census Non-Response Follow-Up development and operations planning team. She has a B.S. in psychology from the University of Pittsburgh and an M.S. in criminal justice from St. Joseph's University. She is also co-founder and general manager of the Washington Prodigy, a nonprofit, semi-professional women's full-contact football team in Washington, DC. 

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