Paul Downs Colaizzo is an American playwright and screenwriter known for his work in theater and film. He gained recognition for his play Really Really, which explores themes of morality and the complexities of human relationships. Colaizzo's writing often delves into contemporary issues, making his work relatable to modern audiences. In addition to his theatrical accomplishments, Colaizzo has also contributed to television, including writing for the series Billions. His diverse body of work showcases his talent for storytelling across different mediums, earning him a place in the contemporary American theater scene.