Saturday Night Live's executive producer and creator. He built a multi-platform comedy franchise around it.
He usually stayed in the background, but he occasionally appeared on SNL, most notably on a skit where he offered the Beatles $3000 to reunite on the show. They didn't.
He helped launch the careers of such stars as Tina Fey and Amy Poehler.
He majored in English at University College, University of Toronto, from which he graduated in 1966.
He married Rosie Shuster in 1973, then Susan Forristal on September 13, 1981, and then Alice Barry in 1991.