As of 2020, Rubin is actively engaged as a founder of The Hamilton Project, an economic policy think tank that produces research and proposals on how to create a growing economy that benefits more Americans. He is co-chairman emeritus of the Council on Foreign Relations. Rubin also serves as chairman of the board of the Local Initiatives Support Corporation, a community development support organization. He serves as a trustee of Mount Sinai Health System. Additionally, Rubin serves as a senior counselor at Centerview Partners, an investment banking advisory firm based in New York City.