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Nadia Ahmed

Nadia is an Administrative Associate at the Center for Education Policy Analysis. She is the IES fellowship coordinator and supports sean reardon, Eric Bettinger and Dan McFarland. Prior to coming to CEPA, Nadia was the Program Assistant for the Biodesign Program at Stanford School of Medicine. She received her B.B.A. in Finance from the University of Texas at Arlington.

Amy Domingo is the Operations Manager at the Center for Education Policy Analysis. Most recently, she served as the Program Coordinator at Stanford Graduate School of Business supporting Stanford Ignite, a global innovation and entrepreneurship program. Prior to Stanford, Amy worked in private industry as a marketing professional at Yahoo!, Hitachi America, Ltd., and at a technology startup. She received her B.S. in Business Administration from California Polytechnic State University, San Luis Obispo.

Hiep Ho

Hiep is the Webmaster for Center for Education Policy and Analysis (CEPA). He's responsible for the implementation, development and maintenance of CEPA websites and servers. He also advises and provides support to CEPA faculty and staff on Information Technology. Prior to coming to CEPA, Hiep was the Computer Information Systems Analyst and the main contributor of database design and implementation, network administration, web design and implementation, and desktop support to faculty and staff of Stanford Neurosurgery, Neurology and Institute for Neuro-Innovation & Translational Neurosciences of School of Medicine.

Demetra Kalogrides

Demetra Kalogrides ( is a research associate at the Center for Education Policy Analysis. She supports various CEPA projects with data management and statistical analysis. She also collaborates on studies with Sean Reardon and Susanna Loeb. Her research interests include inequality in educational attainment and achievement, teacher and principal labor markets, school segregation, and quantitative methods. Kalogrides received a bachelor's degree in sociology from Santa Clara University and a Masters and PhD in sociology from the University of California at Davis.

Krishna Mamidibathula

Krishna Mamidibathula is the Finance Manager at the Center for Education Policy Analysis. He completed his Master’s in Media Management from Syracuse University. Prior to coming to Stanford, he was the Senior Accountant with the Institute for creative technologies at University of Southern California.

Jim Shen

Jim Shen ( is a research data manager and analyst at the Center for Educational Policy Analysis. He develops and manages large-scale longitudinal administrative, survey, and time-use databases from federal, state, and local data sources to support CEPA projects. He earned a bachelor's degree in History and International Relations and a Masters degree in Political Science at the University of California at San Diego. Prior to joining CEPA, he was a manager for the “MIDipedia: An Expanded Database of Militarized Interstate Disputes” project at the Stanford Department of Political Science.

Sherri Widen is a Researcher at CEPA Labs. Her interests pertain to children’s understanding of emotion and she has expertise in developing and testing tools designed to measure children’s social and emotional skills. Her research has shown that children begin with two broad and valence-based concepts (feels good vs. feels bad) which only gradually differentiate as children acquire adult-like emotion concepts, investigated the development of children’s emotion scripts, and described the development of children’s understanding of disgust and fear. Sherri holds a B.A. in Psychology and an M.A. in Developmental Psychology from the University of British Columbia, and a Ph.D. in Developmental Psychology from Boston College.