Josh Gruenbaum

Joshua Gruenbaum (born 1985 or 1986) is an American lawyer and Managing Director at Valor Equity Partners on the investment team and a senior advisor to the Board of Peace who served as the commissioner of the Federal Acquisition Service from 2025 to 2026. Gruenbaum graduated from New York University with a Master of Business Administration and a Juris Doctor. He worked for KKR & Co. as a director. In January 2025, Stephen Ehikian, the acting administrator of general services, named Gruenbaum as the commissioner of the Federal Acquisition Service. Gruenbaum's work, which was closely aligned with the Department of Government Efficiency, included eliminating contracts and implementing artificial intelligence. He served as a member of the Joint Task Force to Combat Anti-Semitism. Months into Gruenbaum's tenure, he began to seek involvement in geopolitical affairs, particularly alongside Jared Kushner and Steve Witkoff. He was involved in the Gaza peace plan and in peace negotiations to end the Russo-Ukrainian war. In January 2026, Gruenbaum was appointed to be a senior advisor to the Board of Peace. In April, he left the Federal Acquisition Service, and continued working with Kushner and Witkoff. Gruenbaum continued to work at the General Services Administration until May.