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Karoline Hallmeyer

San Francisco

Regional Expertise
Subject Expertise
  • energy economics
  • climate dynamics

Karoline Hallmeyer


Karoline Hallmeyer has been specializing in market research, effectiveness and impact evaluation, and strategy development while working on the evaluation of the Climate Public Private Partnership (CP3) – a private equity portfolio investing in developing countries through which the UK government aims to catalyze the role of private sector finance in driving growth – as well as on the design of two private equity fund strategies as part of the Global Innovation Lab for Climate Finance. She presented results of her evaluation of the productivity of International Finance Institutions’ energy interventions to the G20 Task Force for Energy Efficiency Investment, which used the findings in their G20 Energy Efficiency Investment Toolkit. Previously, she worked as a research assistant for Professor Dr. Geoffrey Heal at the Columbia Business School. Karoline graduated from Columbia University’s Earth Institute with a MA in Climate and Society.