Seth was born in a small town of Kent, Connecticut. And his family ancestry links back all the way to the passengers of the Mayflower. He later attended the Rhode island school of design and studied animation there. After he graduated, he was hired by Cartoon network to be an animator there. He helped produce"Jonny Bravo","Cow and Chicken", later he was hired by Disney Productions to help write the title series of "the jungle cubs".
Then a few months later he was hired by Fox studios, with a budget of 50,000 dollars to make the pilot of the successful series"Family guy" and later wrote to other hits" american dad" and "the cleveland show" He has begun to establish himself as a writer, actor, director, and comedian.