"The Hollywood Jews created a powerful cluster of images and ideas - so powerful that, in a sense, they colonized the American imagination. Ultimately, American values came to be defined by the movies the Jews made." - Neal Gabler, An Empire of Their Own: How the Jews invented Hollywood

Film industry

Founder of Universal Pictures: Carl Laemmle (Jewish)

Founder of 20th Century Studios: Joseph M. Schenck (Jewish)

Founder of Paramount Pictures: Adolph Zukor (Jewish)

Founder of Warner Bros. Pictures: Warner brothers (Jewish)

Founder of DreamWorks: Steven Spielberg (Jewish)

Founder of The Weinstein Company: Harvey Weinstein (Jewish)

Founder of Metro-Goldwyn-Mayer: Marcus Loew (Jewish)

Founder of Columbia Pictures: Harry Cohn (Jewish)

Founder of New Line Cinema: Robert Shaye (Jewish)

Comic book industry

Creators of Marvel: Stan Lee, Jack Kirby, Joe Simon, Martin Goodman (all Jewish)

Creators of DC: Jerry Siegel, Jerry Robinson, Bob Kane, Sheldon Mayer, Jack Liebowitz (all Jewish)

Music industry

Founder of Arista Records: Clive Davis (Jewish)

Founder of Def Jam Recordings: Rick Rubin (Jewish)

Founder of Atlantic Records: Herb Abramson (Jewish)

Founder of Mercury Records: Irving Green (Jewish)

Founder of RCA Records: Emile Berliner (Jewish)

Founder of Island Records: Chris Blackwell (Jewish)

Founder of Republic Records: Monte Lipman (Jewish)

Founder of Elektra Records: Jac Holzman (Jewish)

Founder of Virgin Records: Tom Newman (Jewish)

Source: https://en.wikipedia.org/wiki/List_of_Jewish_American_businesspeople_in_media