An American writer, producer, and director, he is renowned for his work in television and film. Rising to prominence with the creation of "Dawson's Creek," he went on to develop numerous successful series, including "Arrow," "The Flash," and "Supergirl," significantly shaping the Arrowverse. His film credits include "Love, Simon," a pioneering mainstream gay teen romance. Known for his prolific output and influence in the superhero genre, he continues to be a dominant force in the entertainment industry.