He is best known for co-creating the MTV adult animated series Daria, which originally aired from 1997 to 2002.
He then worked as story editor for the MTV television shows Beavis and Butt-head and The Maxx.
He has also written for such shows as Rugrats, Bratz, Married... with Children, and The Wrong Coast, a stop-action animation mini-series for the American Movie Classics cable channel.
: Sled Dogs with Issues, Stuffed!, Bill and Hillary's Twelve-Step Guide to Recovery (a political satire), and Dr. Katz's Me At a Glance.
Because he was executive producer of Daria, he is sometimes claimed to be the creator of the character Daria Morgendorffer; this was actually the work of Beavis and Butt-head writer David Felton, with some input from Mike Judge.