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

Co-Founder and Ops Director
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.
Ben Mazzotta

Ben Mazzotta

Research Director
Ben manages impact audit research for ImpactMatters. He received his Ph.D. International Political Economy and Development Economics from the Fletcher School at Tufts University.
Tamsin Chen

Tamsin Chen

Research Analyst
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.
Chuba Ezeks

Chuba Ezeks

Research Associate
Chuba conducts research for impact audits. He is earning his Master's Degree in International and Development Economics from Yale.
Tong Li

Tong Li

Research Associate
Tong conducts research for impact audits. She is earning her Master's Degree in International and Development Economics from Yale.
Yilian Tian

Yilin Tian

Research Associate
Yilin conducts research for impact audits. She is earning her Master's Degree in International and Development Economics from Yale.
Wenyue Yang

Wenyue Yang

Research Associate
Wenyue conducts research for impact audits. She is earning her Master's Degree in International and Development Economics from Yale.
Danyun Zhou

Danyun Zhou

Research Associate
Danyun conducts research for impact audits. She is earning her Master's Degree in International and Development Economics from Yale.