Brian Yorkey is an American playwright and lyricist known for his works that delve into dark and controversial subject matters, such as mental illness, grief, the underbelly of suburbia, and ethics in both psychiatry and public education. He is particularly recognized for his contributions to the acclaimed productions 'Next to Normal' and '13 Reasons Why'.

Yorkey's accomplishments include receiving the prestigious Pulitzer Prize for Drama in 2010 and the Tony Award for Best Original Score in 2009.