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.
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.
Veronica Vazquez Ugalde

Veronica Vazquez Ugalde

Research Associate
Veronica conducts research for impact audits. She is studying for her master's degree in economic policy at Boston University.