Brian Yorkey is an American playwright and lyricist, best known for his work in musical theater. He gained significant recognition for co-creating the hit musical Next to Normal, which explores mental health issues and won the Pulitzer Prize for Drama in 2010. Yorkey has also worked on other notable productions, including the musical adaptation of If/Then. In addition to his work on stage, Brian Yorkey has contributed to television, serving as a writer and producer for the popular series 13 Reasons Why. His diverse talents in both theater and television have made him a prominent figure in contemporary storytelling.