TV:
* The Simpsons (1989 - present): He has written multiple episodes for this iconic animated sitcom.
* The Critic (1994-1995): He wrote and produced this short-lived but critically acclaimed animated series.
* King of the Hill (1997-2009): He wrote and produced several episodes of this popular animated sitcom.
* Futurama (1999-2003, 2008-2013): He wrote and produced episodes for this sci-fi animated sitcom.
* The Cleveland Show (2009-2013): He was a consulting producer and wrote for this spinoff of "Family Guy."
* American Dad! (2005-present): He has written and produced numerous episodes for this animated sitcom.
Movies:
* The Simpsons Movie (2007): He was a writer and producer for this film adaptation of the popular television show.
Other:
* The Critic (1994): He was also the creator and executive producer of this animated sitcom.
* The Simpsons 20th Anniversary Special - In 3-D! On Ice! (2000): He served as a writer for this TV special.
While Mark Kempner has primarily worked behind the scenes, his contributions have been instrumental in the success of many beloved and critically acclaimed TV shows.