Mark has been involved with many different charities and has done charity work throughout his career. PSA's, Books for the Blind, Children Helping Poor and Homeless People, Make-A-Wish, Precious Paws, and visiting children in hospital, are among the many projects he has participated in.

He has been quite involved with a number of Omaze auctions, participating in the Star Wars Force for Change, in support of Unicef and Starlight Children's Foundation. His current charity of choice, to which the IMHFC makes a yearly donation in honour of his birthday, is the Neighbourhood Academic Initiative supported by USC. It is a seven year pre-college program to prepare students from South and East Los Angeles for admission to a college or university. For more information, check out the University of Southern California's website.