Williamson is CEO of FCLTGlobal, a not-for-profit working to increase innovation, economic growth, and savings by encouraging long-term behaviors in business and investing. She possesses three decades’ experience in leadership and management, and has built extensive working relationships with business leaders around the globe. Prior to joining FCLTGlobal, Williamson spent more than 20 years at Wellington Management Company, where she served as a partner, director of alternative investments, and chair of the Wellington Trust Company. Previously, she held roles with McKinsey & Company Inc., the United States Department of State, and Goldman, Sachs & Co. A member of the board of Evercore—which provides global advisory, institutional equities, and investment management services—Williamson earned her MBA, with distinction, from Harvard Business School and her bachelor’s in economics, with honors, from Williams College. She joined the Whitehead Institute board’s investment committee in 2015, and became a board member in 2018 and board chair in 2020. She currently serves on the Institute's Finance Committee, Leadership Advisory Committee, and chairs its Investment Committee.