Thomas L. Kempner, Jr. Foundation

Thomas L. Kempner, Jr. Foundation

Thomas L. Kempner Jr. created the foundation in 1987 after building his career in investment management. The entity operates from Southampton, New York, and lists family members in director and officer roles. Grant activity centers on education, health systems, and conservation. Confirmed recipients include Yale University, Harvard Business School, Mount Sinai Health System, Central Park Conservancy, and the Wildlife Conservation Society. The foundation also holds public market positions through Keewaydin Investments LLC, including Vanguard FTSE Developed Markets ETF, Vanguard S&P 500 ETF, and iShares MSCI Japan ETF. Geographic focus remains the United States with additional exposure noted in agriculture, infrastructure, and private debt. Assets under management stand at $306 million. The foundation lists five service providers including EisnerAmper LLP as auditor and Pavilion Advisory Group Ltd as investment advisor. Thomas Kempner serves as board chair of the Central Park Conservancy. In November 2025 the foundation sponsored the Central Park Conservancy Annual Gala. The foundation maintains a 100 percent ownership stake in Keewaydin Investments LLC, which holds the public equity positions. Governance rests with family directors and integrates with the founder's prior role at Davidson Kempner Capital Management.