Gregory Berlanti (born May 24, 1972) is an American screenwriter, producer and director. He is known for his work on the television series Dawson's Creek, Brothers & Sisters, Everwood, Political Animals, Riverdale, Chilling Adventures of Sabrina and You, in addition to his contributions to DC Comics on film and television productions, including The CW's Arrowverse, as well as Titans and Doom Patrol. In 2000, Berlanti founded the production company Berlanti Productions.