Rosenthal's career with film began with writing and photography at a young age. Growing up in New York City, he began shooting and studying photography in high school, and started writing soon after. He earned a Masters in poetry from Sarah Lawrence College and subsequently began publishing poetry in such literary magazines as The Paris Review. David's first book of poetry was published in 2000. In the same year he became a member of The Actors Studio playwrights unit with Mark Rydell.
