In 1980, Rosenberg was executive vice president of Fantasy Films. Rosenberg was President of the Saul ZaentzProduction Company and Fantasy Films in Berkeley, California for ten years, during which time the company released One Flew Over the Cuckoo's Nest, Amadeus, and The English Patient. Rosenberg joined Imagine Entertainment in 1988 as Vice President of Marketing and Distribution. He organized the release of many films, including Parenthood, Backdraft, Apollo 13, Ransom and The Nutty Professor. In 1998, Rosenberg was promoted to President of Imagine Entertainment. He continued to oversee the marketing, publicity and distribution of the company's films including Best Picture Oscar winner A Beautiful Mind, as well as 8 Mile, Friday Night Lights, Inside Man, The Da Vinci Code, American Gangster, Frost / Nixon, J. Edgar and Rush and television programs including National Geographic Channel's GeinusAnthology series, Hulu's ', Fox's hit Golden Globe and Emmy award-winning Best Drama Series 24 and Empire, Fox's Emmy award-winning Best Comedy Arrested Development, WB's Felicity, ABC's Sports Night, NBC's Friday Night Lights and Parenthood as well as HBO's "From the Earth to the Moon", which won the Emmy for Outstanding Mini-Series. In 2012, Rosenberg co-produced the 84th Academy Awards show for ABC, and produced '. He is an executive producer for the National Geographic series Mars and Breakthrough. Rosenberg is executive producer on the 2017 Grammy and Emmy award-winning documentary ', a producer the critically acclaimed documentary Pavarotti, and executive producer on Dads, Rebuilding Paradise, ', and D. Wade: Life Unexpected. Rosenberg is currently executive producing the upcoming documentaries Rebuilding Paradise, a documentary on renown chef Julia Child, and a documentary on chef José André and his World Central Kitchen. Rosenberg has been actively involved with multiple philanthropic organizations including The Fulfillment Fund, David Geffen School of Medicine at UCLA, USC School of Cinematic Arts, American Film Institute, The Help Group, Best Buddies International, and the Memorial Sloan Kettering Cancer Center.
