Stephen Levinson began his career in 1991 at InterTalent, which later merged with UTA. As an assistant at UTA, he met Mark Wahlberg, who became his first client as a manager at Dolores Robinson Entertainment. While at Robinson's company, Levinson executive produced an ABC pilot starring NBA great George Gervin. After a stint at Banner Entertainment, Levinson founded Leverage Management in 1996, bringing with him clients such as Wahlberg and writer/director Doug Ellin. He served as executive producer of Ellin's feature film 'Kissing A Fool.' Besides Wahlberg and Ellin, Levinson also represents 'Entourage' director Julian Farino, co-executive producer Rob Weiss, and stars Adrian Grenier and Jerry Ferrara. Levinson also has several additional projects in development at HBO, including the series 'In Treatment' and 'Four-some.'