Mark began his career with a ten-year stint as Vice President, Brand Image at HBO. He was responsible for supervising creative for HBO Sports, documentaries, family programming and theatrical promotion. While at HBO, he relaunched Cinemax interstitial logo, look, and brand identity and managed multiplex channel launches for HBO and Cinemax.

As Creative Director at
20th Century Fox, Mark was head of the in-house theatrical trailer/advertising unit for Fox Filmed Entertainment, producing national TV spots for I, Robot, Cheaper By The Dozen and Stuck On You.

He has been a writer/producer of spots for
ABC programs Extreme Makeover: Home Edition, Boston Legal, Desperate Housewives, American Inventor, specials and movies. He has produced documentaries, public service campaigns, and marketing presentations for News Corporation, HBO, and the Motion Picture Association of America, including Arnold Schwarzenegger's two documentaries for the Pumping Iron DVD release, the national in-theater anti-piracy PSA campaign: Movies: They're Worth It, and News Corporation President Peter Chernin’s Comdex keynote presentation.

Mark has also been writer/producer of promos for channels such as
Versus, Sci Fi, and WE-TV on projects including college basketball, The Contender, summer campaign launch and theatricals.