Jeff Greenberg

Jeff Greenberg

Chairman and Chief Executive Officer


Prior to founding Aquiline in 2005, Jeff was the chairman and chief executive officer of Marsh & McLennan Companies, Inc. (NYSE: MMC). Previously, he was chief executive officer of MMC Capital, MMC’s private equity business. Prior to MMC Capital, Jeff served in numerous executive positions at American International Group (NYSE: AIG) for 17 years including executive vice president of AIG’s domestic brokerage group.  Jeff is a member of the investment committee of Aquiline Technology Growth. 

Portfolio Affiliations

Professional Affiliations

Member, Association of the Bar of the City of New York

Member, Council on Foreign Relations

Fellow, Foreign Policy Association


A.B., Brown University

J.D., Georgetown University

Non-Profit board volunteer activities

Trustee, Metropolitan Museum of Art

Vice Chairman of the Board of Trustees, NewYork-Presbyterian Hospital

Member of the Board of Overseers, Weill Cornell Medical College

Board Member, Starr International Foundation

Brown University Medical School Committee