Mr. Koh has over 20 years of experience in private equity and sustainable investment. Prior to founding Lightsmith in 2016, Mr. Koh held senior investment roles at Siguler Guff, R3 Capital Partners, and The Carlyle Group. Mr. Koh also served as Head of Investment Funds & Chief Investment Strategist at OPIC (now the US Development Finance Corporation), U.S. government’s $20 billion development finance institution. Mr. Koh chairs the Global Adaptation & Resilience Investment Working Group (GARI) and is on the board of NYSERDA and the advisory committee of the NY Green Bank. Mr. Koh holds an A.B. magna cum laude in Economics from Harvard, a master’s degree in Management from Oxford, and a J.D. from Yale Law School. Mr. Koh also clerked for U.S. Supreme Court Justice David Souter. Mr. Koh is a member of the Council on Foreign Relations and a member of the California Bar.