[3] After graduating from Beverly Hills High School, Rosman went to UCLA but left after two years when he wasn't accepted into the film program there.
[3] During his senior year at NYU, he worked as a voluntary assistant director on Brian De Palma's Home Movies.
[5] In 1985, Rosman had just finished the Disney Channel film The Blue Yonder and was set to work on Spot Marks the X when the Writers Guild went on strike.
He then directed 2004's A Cinderella Story[6] and 2005's The Perfect Man, both films starring Hilary Duff.
[6] Rosman has also worked in episodic television, directing episodes of Lizzie McGuire (his first time working with Hilary Duff), Even Stevens, Ghost Whisperer, The New Alfred Hitchcock Presents, State of Grace and Greek.