Stephen Levinson is an American film and television producer. He is the recipient of two Producer's Guild of America Awards, a BAFTA Award, two Peabody Awards, and a Golden Globe Award.He is the owner and principal of Leverage, a talent management and production company, through which he has executive produced the acclaimed HBO television series Entourage, In Treatment, How To Make It In America, and Boardwalk Empire.Mr. Levinson grew up in Manhasset Hills, New York, and earned his bachelor's degree from Tulane University. He moved to Los Angeles in 1991 to begin a career in entertainment, having previously worked as an accountant and founder of his own clothing company.He started his carrier in Hollywood at InterTalent (later UTA).He founded Leverage in 1996 to assist a select group of accomplished artists further their careers. As Leverage clients found increasing success, Mr. Levinson was able to develop the production side of the company, which took off in 2004 with the premiere of Entourage. The show was partly inspired by the real life of Mr. Levinson's longtime friend, client, and business partner Mark Wahlberg.Mr. Levinson is also the owner and creator of WhoRepresents.com, an Internet database of talent representatives in the fields of film, television, music, pro sports and other media. Launched in 2000, WhoRepresents.com is now one of the most popular services of its kind, used by professionals in all areas of media and entertainment. In 2010, Mr. Levinson launched TheQuickList.net, a site custom-designed for viewing, creating and sharing casting ideas online.