People

Michael Weinstein

Michael Weinstein

Executive Director
Michael leads ImpactMatters, guiding its strategic and intellectual direction. Michael Weinstein holds a Ph.D. in economics from M.I.T. and previously served as chief program officer for the Robin Hood Foundation.
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Elijah Goldberg

Chief Operating Officer
Elijah co-founded ImpactMatters with Dean Karlan and manages day-to-day operations for ImpactMatters. He previously co-founded Walimu. He received his BA in Economics from Yale.
Tamsin Chen

Tamsin Chen

Project Manager
Tamsin coordinates and conducts research for impact audits. She received her BA in International Studies and Economics from Vassar and led the Vassar Haiti Project.
Stanley Pollak

Stanley Pollak

Controller
Stan oversees ImpactMatters financial operations. Over a thirty year career at Citigroup, he worked as CFO and Finance Director for multiple business units, most recently Strategy Sourcing and Procurement Services.
Veronica Vazquez Ugalde

Veronica Vazquez Ugalde

Senior Research Analyst
Veronica conducts research for impact audits. She received her master's degree in economic policy at Boston University.
Shannon Coyne

Shannon Coyne

Senior Program Administrator - Effective Philanthropy
Shannon works at Kellogg School of Management - Public-Private Initiative, where she manages impact audits conducted by students and builds partnerships.
Luisa Rodriguez

Luisa Rodriguez

Research Analyst
Luisa conducts research for impact audits. She is completing her master's degree in sustainable international development from Brandeis University.
Alanna Walker

Alanna Walker

Development Manager
Alanna manages sales and fundraising. She previously worked at Ronald McDonald House and the Ellis Island foundation. She received her master of science in bioethics from Columbia University.
Vyana McIntyre

Vyana McIntyre

Research Associate
Vyana conducts research for impact audits. She is studying for her masters of public administration at Columbia University and the London School of Economics and Political Science.
Tarang Singhal

Tarang Singhal

Research Associate
Tarang conducts research for impact audits. He is studying for his masters of public administration at Columbia University.