Mark is a veteran of film and TV production.  He is the author of four mystery novels, DANGEROUS UNDERTAKING, GRAVE UNDERTAKING, FOOLISH UNDERTAKING, and A CONSPIRACY OF GENES.  His play, A DYING BUSINESS, was presented most recently as part of the musical comedy ART FOR A STEAL, created in collaboration with lyricist/composer Loonis McGlohal, has enjoyed popular runs by area community theatres.