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Board of Directors

Roper Center Board Members

Nancy Belden

Nancy Belden is the founding partner of Belden Russonello Strategists. She has conducted hundreds of research projects over three decades, including national public opinion polls, focus groups, and studies of elite audiences. 

William Block

William Block is a founder of Freedom on the Move, a data collection project incubated within Cornell's CISER that has grown into the world's largest collection of runaway slave ads from North American newspapers.

Ceilyn Boyd

Ceilyn Boyd is the Dataverse Development Project Manager at IQSS. This role collaborates with Dataverse team members and other stakeholders within the Dataverse Community to manage, coordinate, and support program activities including reporting, prioritization, and track deliverables. Previously, Boyd served as manager of the Harvard Library Research Data Services group. 

Michael Delli Carpini

Michael X. Delli Carpini, Professor of Communication and Walter H. Annenberg Dean, received his B.A. and M.A. from the University of Pennsylvania (1975) and his Ph.D. from the University of Minnesota (1980). His research explores the role of the citizen in American politics.

Sarah Cho

Cho is one of the founding members of the Research team at SurveyMonkey, responsible for integrating survey best practices into all of SurveyMonkey’s products and services. Sarah manages the development of trainings, product features, and interactions with top customers, to showcase the value of the surveys in the workplace. 

Peter Enns

Peter Enns is Co-founder and Chief Data Scientist at Verasight. He is also the Robert S. Harrison Director of the Cornell Center for Social Sciences and Professor of Government and Professor of Public Policy at Cornell University. He was Executive Director of the Roper Center from 2015 to 2022.

Anna Greenberg

Anna Greenberg is a Senior Partner at GQR, with over 20 years of experience polling in the political, non-profit and academic sectors. She joined GQR in 2001 after teaching public opinion and survey research methodology at Harvard University’s John F. Kennedy School of Government and is a research fellow at American University’s Center for Congressional and Presidential Studies. 

Liz Hamel

Liz Hamel is Vice President and Director of Public Opinion and Survey Research at the Kaiser Family Foundation (KFF), where she directs KFF’s polling work including the monthly Health Tracking Poll and ongoing survey partnerships with news media organizations such as The Washington Post. Her research focuses on understanding the U.S. public’s views and knowledge on health care policy issues, and the role of opinion in health policy debates.

Juliana Horowitz

Juliana Menasce Horowitz is associate director of research at Pew Research Center, where she helps oversee research on social and demographic trends. She is involved in all stages of the research process, including designing and managing major survey projects, developing questionnaires, analyzing polling data, writing and editing reports and presenting survey results. 

Vincent L. Hutchings

Vincent Hutchings is the Hanes Walton Jr. Collegiate Professor of Political Science at the University of Michigan and a Research Professor at the Institute for Social Research. Professor Hutchings teaches courses in African American politics, public opinion & voting behavior, and Congress. His research interests focus on the circumstances under which citizens are attentive to political matters and engage in issue voting. 

Timothy Johnson

Timothy Johnson is Emeritus Professor at the University of Illinois at Chicago, where he directed the Survey Research Laboratory for 23 years. He is currently a Research Fellow with NORC at the University of Chicago. Johnson’s current research focuses on measurement errors in cross-cultural research, nonresponse errors in health surveys, and public perceptions of the legitimacy of social research. 

Kabir Khanna

Kabir Khanna is Deputy Director, Elections at CBS News, where he oversees election analytics and survey methods. He manages a team that analyzes live returns and calls races for the network. He produces data-driven news stories on politics and polling, appearing on CBS and BBC platforms. He served on the AAPOR special task force on 2020 polls, and has published academic research on U.S. public opinion and partisanship.

Lee Miringoff

Lee M. Miringoff is the director of the Marist Institute for Public Opinion at Marist College, and is a member of the Political Science faculty at the college. Lee received his Ph.D. in political science from the Massachusetts Institute of Technology. Lee is a frequent commentator on politics and elections and has appeared regularly on television and radio as an expert on public opinion, politics, and polling.

Limor Peer

Limor Peer is Associate Director for Research at the Institution for Social and Policy Studies (ISPS) at Yale University. She also serves as a Research and Data Specialist at the Office of the Provost, spearheading campus-wide efforts relating to research data sharing and preservation. Her research interests include the media’s role in democracy and in the public opinion process. 

Bryn Rosenfeld

Bryn Rosenfeld is Assistant Professor of Government at Cornell University. Her research interests include political behavior, development and democratization, protest, post-communist politics, and survey methodology. She is the author of The Autocratic Middle Class (Princeton University Press, 2020).

Tom W. Smith

Tom W. Smith directs NORC’s Center for the Study of Politics and Society.  From 1980 to 2019, he served as Director of the General Social Survey (GSS), one of NORC’s most visible projects and one of the nation’s most heavily utilized datasets. He is also co-founder of the International Social Survey Program (ISSP), former Secretary General of the ISSP, and currently serving on the ISSP Drafting and Methodology Committees.

David C. Wilson

David C. Wilson, Ph.D is Dean of the Richard and Rhoda Goldman School of Public Policy and Professor of Public Policy and Political Science at the University of California, Berkeley. His research investigates the psychology of political opinion about policies, contentious social issues, and political figures. He was formerly a senior statistical consultant and researcher at the Gallup Polling Organization, in Washington, DC. He received his Ph.D. in political science from Michigan State University. 

Ex-Officio Board Members

Jonathon Schuldt, Executive Director of the Roper Center
Brett Powell, Associate Director of the Roper Center
Kathleen Weldon, Director of Data Operations and Communications of the Roper Center