In his early career, Emanuel worked as an assistant to New York talent agent Robert Lantz and then as a trainee at
Creative Artists Agency in Hollywood after getting a start working in the company's mail room in 1987. In March 1995, Emanuel started Endeavor. Emanuel has served as a member of
Live Nation Entertainment board of directors since September 2007. Emanuel has been described as a mogul and power player in Hollywood. Emanuel and
Patrick Whitesell, the co-CEO of WME, have both been named to
Fortune's Businessperson of the Year list. In a May 2013 article on Emanuel,
Fortune called him "one of the biggest guns in the consolidating entertainment business". Emanuel's relationships with his clients, coupled with his stature in the industry, has led to various homages and parodies over the years, including
Bob Odenkirk's character Stevie Grant on
The Larry Sanders Show, and
Ari Gold, played by
Jeremy Piven on the HBO television show
Entourage. In April 2002 agent Sandra Epstein and other Endeavor employees sued Ari Emanuel on allegations that a pornographic website was operated out of Endeavor's offices and that Emanuel made racist and anti-gay remarks. Emanuel disputed these accusations at the time. Emanuel settled Epstein's claims for $2.25 million. Endeavor went public in 2021, the first Hollywood agency to do so, He and Patrick Whitesell are also co-CEO of
IMG, a global sports, events and talent management company headquartered in New York City. He debuted on the
Bloomberg Billionaires Index in February 2025 with an estimated net worth of over $1 billion. In 2025, Emanuel is set to buy
Frieze, a global art fair and publishing group, previously owned by Endeavor. The deal is valued at $200 million and is backed by a group of investors including
Apollo Global Management and
RedBird Capital Partners. == Public advocacy ==