While still at UCLA, Espinoza began working for sports agent Leigh Steinberg. However, he switched career tracks and accepted a position at Greenberg Glusker in 1996 before eventually moving on to Ziffren Brittenham LLP in 2002. Both firms specialize in entertainment law. His clients included Vanessa Hudgens, Josh Gad, Snoop Dogg and Tyler Perry, as well as former NFL star Michael Strahan and MMA fighter Gina Carano.
Introduction into boxing
Golden Boy Promotions
On November 14, 2011, Espinoza was announced as the new head of Showtime Sports, replacing Ken Hershman. Since his move to Showtime, Espinoza has made boxing a focus of the network. In 2012, he signed Floyd Mayweather, Jr. to a six-fight, multi-year deal. Espinoza was also reportedly "instrumental" in the Floyd Mayweather, Jr. vs. Manny Pacquiao fight. Under Espinoza's supervision, the Showtime-Mayweather deal accounted for the three highest-grossing pay-per-view events in television history — Mayweather-Canelo in September 2013, Mayweather-Pacquiao in May 2015, and Mayweather-McGregor in August 2017.
In January 2018, Espinoza was promoted to from Executive Vice President to President of Showtime Sports.
Espinoza currently resides in New York City.
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- "Stephen Espinoza". CBS. Retrieved March 29, 2016.
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- "Showtime: Floyd Mayweather vs. Conor McGregor did 4.3 million PPV buys in North America". MMAjunkie. 2017-12-14. Retrieved 2018-04-18.