Jeff Greenberg

Jeff Greenberg


Jeff is chairman of Aquiline. Jeff started Aquiline after years of executive leadership in the insurance sector. Before founding the firm in 2005, he was chairman and chief executive officer of Marsh & McLennan. Earlier in his tenure with Marsh, Jeff led the company’s private equity business, MMC Capital. Jeff also spent 17 years at AIG in various executive roles, including executive vice president of AIG’s domestic brokerage group.

Jeff serves on the investment committees for the AFS, ATG and ACO fund families and serves on portfolio company boards across the firm’s investment areas.

He also serves on the boards of C.V. Starr & Co. and Starr International Company, Inc. and certain of their related companies and is a member of the Hakluyt International Advisory Board. He is a member of the Association of the Bar of the City of New York and the Council on Foreign Relations. He is a trustee of New York-Presbyterian Hospital, a member of the board of overseers of Weill Cornell Medical College, a member of the board of directors of Lincoln Center for the Performing Arts, and a member of the boards of The Starr Foundation and Starr International Foundation.


A.B., Brown University; J.D., Georgetown University

  • AFS Investment Committee
  • ATG Investment Committee
  • ACO Investment Committee