Jeffrey Wayne Greenberg (born 1951) is an American lawyer and business executive, who was chairman and CEO of Marsh & McLennan Companies from 1999 to 2004.
Greenberg was then in midtown Manhattan, at the company's headquarters, with "an unobstructed view of lower Manhattan" where he witnessed "smoke rising from One World Trade Center and the fireball erupt from the second tower."
"[4] In 2012, the Financial Times reported that "Mr. Greenberg was never charged with any wrongdoing, while Mr. Spitzer was later engulfed in a prostitute scandal.
"[5] Greenberg is chairman of the private equity firm he founded, Aquiline Holdings.
[8] Greenberg had a 14-year relationship with journalist Nikki Finke, getting engaged in 1974 and married in 1980.