Jonathan joined the Foundation Board in 2020. He is the past president of American Academy of Arts and Sciences. He was also president of the John D. and Catharine T. MacArthur Foundation, as well as president of The New School for Social Research. He has served as board chair for several organizations, including Human Rights Watch, the Security Council Report, and the New York State Commission on Independent Colleges and Universities. He currently serves on the boards of Scholars At Risk, the Asian Cultural Council, the Benjamin Franklin House, the World Refugee Council and the advisory board of the Newman’s Own Foundation.