Jon Hein (born November 24, 1967) is an American radio personality and former webmaster. He created the website jumptheshark.com and works for "The Howard Stern Show". Hein is an alumnus of the University of Michigan where he appeared in the sketch comedy troupe Comedy Company with Jon Glaser. The two also were a part of the comedy troupe Just Kidding.
Jon Hein and Jon Glaser are friends.