Katherine Tan is a 2025 Millennium Leadership Intensive participant and a managing director in the President’s Office at The Rockefeller Foundation, where she drives priority strategic initiatives on behalf of The Rockefeller Foundation’s president, Rajiv Shah. She played a key role in incubating the Global Energy Alliance for People and Planet, a flagship partnership to reach one billion people with clean energy in developing countries that was spun out from The Rockefeller Foundation. She is now managing a new fifty-million-dollar cross-cutting initiative to re-envision the future of key global cooperation and development systems. Tan was previously a program officer at the Gates Foundation, where she led financing and partnerships strategy for COVID-19 response and pandemic preparedness and advised program teams on innovative financing strategies. She helped develop the Access to COVID-19 Tools Accelerator, which eventually raised over twenty billion dollars for COVID-19 response. She was senior program officer for finance investment and trade at the Millennium Challenge Corporation, where she managed sixty million dollars in private sector innovation programs in Niger, Benin, and Zambia. Tan began her career at Bridgewater Associates as chief of staff to the co-chief executive officer. Tan has an MBA with honors from the Wharton School at the University of Pennsylvania via the MBA for Executives program and a BA in economics from Harvard College. She is a Council on Foreign Relations term member.