Peter K. Enns, Executive Director

Executive Director – Peter K. Enns 
607.255.3574

Peter K. Enns is Associate Professor in the Department of Government at Cornell University and Executive Director of the Roper Center for Public Opinion Research. He is the author of Incarceration Nation: How the United States Became the Most Punitive Democracy in the World and editor (with Christopher Wlezien) of Who Gets Represented? His research has been funded by the National Science Foundation and the Russell Sage Foundation and has appeared or is forthcoming in journals such as the American Journal of Political Science, British Journal of Political Science, Journal of Politics, Perspectives on Politics, Political Behavior, and Public Opinion Quarterly. Peter received his Ph.D. in political science from the University of North Carolina at Chapel Hill and his undergraduate degree from Colorado College. Prior to graduate school, he taught high school for three years in Baltimore, MD, through Teach For America. Email Peter.

William Block

CISER Director – William C. Block
607.255.4801

William Block has been Director of CISER (Cornell Institute for Social and Economic Research) since 2008. Prior to coming to Cornell, he worked for nearly 20 years in a variety of capacities on multiple data infrastructure projects at the Minnesota Population Center, including IPUMS-USA, NHGIS, and IHIS. Bill is the Core Director of the Cornell Population Center (CPC), and Executive Director of Cornell’s Federal Statistical Research Data Center (FSRDC). He was recently elected to the Executive Board of Data Documentation Initiative (DDI) and is past-president of the International Association of Social Science Information, Service, and Technology (IASSIST), and Executive Director of the Social Science History Association. Bill is also co-PI on Cornell’s $3M NSF-Census Research Network (NCRN) project and co-PI on a NEH grant project to gather runaway slave ads from 19th century United States. Email Bill.

Brett Powell

Associate Director – Brett Powell
607.255.6507

Brett Powell is Associate Director of the Roper Center. His many years of marketing experience include serving as Senior Director of Marketing and Fan Experience at International Speedway Corporation at Watkins Glen International  and as Director of Business Development and Client Services at the marketing and communications firm Howell Liberatore & Associates, Inc. In 2015, Powell was recognized on the Central New York Business Journal’s 40 Under 40 list.  Brett has been an adjunct professor at the Roy H. Park School of Communications at Ithaca College as well as Corning Community College and holds a Master of Science Degree in Experimental Psychology from Saint Joseph’s University in Philadelphia. Email Brett.

Kathleen Weldon
Director of Member Relations and Communications – Kathleen Weldon
607.255.6528

Kathleen Weldon is Director of Member Relations and Communications at the Roper Center. She joined the Roper Center in 2014 as Research Coordinator. Kathleen manages member relations; conducts outreach to researchers, journalists, and librarians; and uses the Center’s rich data collection to write overviews of the history of public opinion on a wide range of topics for the Roper website and Huffington Post. A graduate of Wesleyan University with a B.A. in English, she started her career in public opinion at Harvard University designing surveys with media and foundation partners. Email Kathleen.

Carl Brown, iPOLL Acquisitions Manager

iPOLL Acquisitions Manager – Carl Brown
607.255.8129

Carl Brown is iPOLL Acquisitions Manager. He has been with the Roper Center since 1999, and currently collects and prepares new polls for entry into the iPOLL system and selects poll questions for our daily Twitter and Facebook feeds. He previously worked on the JPoll system of Japanese poll questions and prepared Elmo Roper’s papers at the Dodd Center at the University of Connecticut.  He has a B.A. in Modern European History and an M.A. in American History from the University of Connecticut. Email Carl.

Florio Arguillas

Research Associate – Florio Arguillas
607.255.4801

Florio is a Research Associate. He helps social science researchers on campus in qualitative and quantitative data management and processing, assessing and mitigating disclosure risks; and develops and conducts seminars, training sessions, and workshops on the use of both qualitative and quantitative software packages such as SAS, SPSS, STATA, and Atlas.ti, among others. He also manages the Roper Center team of students involved in maintaining iPOLL. Florio holds an M.S. and Ph.D. in Development Sociology from Cornell University, an M.A. in Demography  from University of the Philippines, and an A.B. Economics degree from Ateneo de Davao University. Email Florio.

Maria Jose Sanchez Arrieta

Member Relations/iPOLL Developer for Latin America – Maria José Sanchez Arrieta

Maria José is Member Relations and iPOLL Developer for Latin America at the Roper Center. She has worked as Public Opinion Analyst and Media Tracking Unit Director at Ministry Secretariat of Government in Chile.  Between 2010 and 2013 she worked in the Chilean government in the Presidential team on topics related with government approval, public opinion, setting agenda, public policies and strategic communications. As a Fulbright and Chilean Government Scholar at Cornell she did international development work in Uganda, Thailand and the U.S. She holds B.S. in Political Science from Universidad Diego Portales; a Master’s in Strategic Communication from Universidad Adolfo Ibanez; and a Master’s in Public Administration with a concentration in International Development Studies from Cornell University. Email Maria José.

Janet Heslop

IT Director – Janet Heslop
607.255.4801

Janet Heslop is IT director at CISER. She leads and directs the selection, acquisition, implementation and management of cutting-edge technological advancements to meet the researchers’ needs across multidisciplinary units at Cornell and their collaborators worldwide. She directs the operations and security of the Roper Center’s data environment. During her tenure at Cornell University, she has held many IT leadership roles. Janet holds a B.S. from Cornell University and a M.S. from Keuka College. Throughout her career, she has presented internationally on topics encompassing social science research, inter-operations of hardware and software, and data privacy and security. Email Janet.

Brandon Cruz

Systems Administrator – Brandon Cruz

Brandon Cruz is the System Administrator for the Roper Center computing infrastructure.  Brandon has been working in IT since 2002, starting as a Client Tech before moving to Cornell as a Systems Administrator.  He is currently attending Western Governors University for a B.S in IT Network Administration and has earned various CompTIA certifications including A+, Project+, Network+, and Security+. He is currently studying for his CCNA certification as well as MCSA: Server Infrastructure from Microsoft. Email Brandon.

Tim Parsons

Software Engineer – Tim Parsons

Tim Parsons is the lead Software Engineer at the Roper Center, and is responsible for designing, guiding, and implementing new technology at the Roper Center. Before the Roper Center, Tim was employed at a software development company for 5 years where he gained valuable experience in creating and maintaining large applications. His primary focuses when creating new products are to use standards where possible, create reusable components, and keep data secure. Tim has a B.S. in Computer Science as well as Computer Information Systems from The College at Brockport. Email Tim.

Rachel Schlass

Data Manager –Rachel Schlass
607.255.9639

Rachel Schlass is Data Manager at the Roper Center. She works closely with the Data Archivist and Director of Member Relations and Communication to maintain well-managed strategies that enable the sustainability of sharing the Roper Center Data Archive. She will also assists in training and overseeing our student workforce and coordinates with data providers in Latin America and the U.S. In 2014, she was awarded an IMPALLA (International Advanced Masters in Social Policy Analysis) grant to study abroad, and completed statistical and methodological training between the Luxembourg Institute for Socio-Economic Research (G.D Luxembourg) and the Katholieke Universiteit in Leuven (BE), and awaits her final dissertation results. Currently, she holds a B.S. with Distinction in Research from the Department of Development Sociology at Cornell University.  Email Rachel.

gene wang

Application Programmer – Gene Wang

Gene Wang is an Application Programmer at the Roper Center. He is responsible for designing and implementing software systems to support the goals and vision of the Center. Prior to Roper, Gene spent three years as a developer and technical lead at a software company in the retirement industry. He currently holds a B.S. in Mathematics and Computer Science from the University at Buffalo.  Email Gene.

Anna Arzrumtsyan

Data Processor –Anna Arzrumtsyan

Anna Arzrumtsyan is Data Processor at the Roper Center. She works closely with the other members of the data team to process, maintain and share various datasets. Anna previously worked at the Center for Geographic Analysis at Harvard University on a variety of GIS projects. Anna has MA in Library and Information Science from St. John’s University, and MA in Geography (Geographic Information Science) from SUNY Albany. Email Anna.

Kenny Berkowitz

Administrative Assistant – Kenny Berkowitz
607.255.8129

Kenny Berkowitz is the Administrative Assistant supporting the Roper Center. He has served as managing editor of the Ithaca Times, worked as a freelance writer and publicist, and spent many years as a supervisor of student workers at the Olin library at Cornell. Email Kenny.

The Roper Center also employs a large student staff and provides fellowships to Cornell graduate students.