Gregory Berlanti is an American screenwriter, producer and director of film and television. 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.