was recently awarded an EPA STAR grant for space-time aquatic resources modeling. He received a Ph.D. in statistics from Colorado State University.

Ronette Briefel is a senior fellow at Mathematica Policy Research, Inc. Her research interests include national nutrition policy; survey research on the dietary food security, nutritional, and health status of the U.S. population; and dietary intake methodology. She has analyzed National Health and Nutrition Examination Survey (NHANES) data on the dietary intake and nutritional status of low-income populations, including pregnant women and children participating in WIC and has conducted national program evaluations of the Summer Food Service Program and the Emergency Food Assistance Program. She earned a B.S. in nutrition from Pennsylvania State University and an M.P.H. in maternal and child health administration and a Dr.P.H. in epidemiology from the University of Pittsburgh’s Graduate School of Public Health.

Jamie Casey (Research Associate) is a member of the staff of the Committee on National Statistics. She has worked on projects studying the Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) eligibility, the State Children’s Health Insurance Program (SCHIP), the role of Institutional Review Boards in social and behavioral research, and racial and ethnic disparities in health care. Previously, she worked for the National Center for Health Statistics. She received a B.A. degree in psychology from Goucher College.

Constance F. Citro (Staff Director) is director of the Committee on National Statistics. She is a former vice president and deputy director of Mathematica Policy Research, Inc., and was an American Statistical Association/National Science Foundation research fellow at the U.S. Census Bureau. She has served as study director for numerous projects, including the Panel to Review the 2000 Census, the Panel on Estimates of Poverty for Small Geographic Areas, the Panel on Poverty and Family Assistance, the Panel to Evaluate the Survey of Income and Program Participation, the Panel to Evaluate Microsimulation Models for Social Welfare Programs, and the Panel on Decennial Census Methodology. Her research has focused on the quality and accessibility of large, complex microdata files, as well as analysis related to income and poverty measurement. She is a fellow of the American Statistical Association. She received a B.A. degree from the Uni-

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