He has performed for musicians, celebrities, politicians, and convicted felons. Mark has made several television appearances, including Comedy Central, Showtime, A&E, and NBC. He wrote an off-Broadway show and has released several DVDs. Mark has a passion for helping those who are going through rehab and recovery, and his DVD series "Humor in Treatment" addresses in a comedic way some of the challenges those in recovery face. To learn more about Mark Lundholm and the work he does for rehabilitation centers, visit his website at http://marklundholm.com/about.