(Playwright, The Best of Enemies
wrote the play Freud's Last Session, which has broken box office
records nation-wide. He also co-wrote (with John Markus) The Fabulous Lipitones
, which had its California premiere on the Colony stage earlier this season. Additional plays are Dancing Lessons, Scott and Hem, Becoming Dr. Ruth, Camping with Henry and Tom
(Lucille Lortel and Outer Critics Circle Awards), The God Committee, Out of Gas on Lover's Leap, and Forgiving Typhoid Mary.
With Randy Courts he wrote the musicals The Gifts of the Magi, Johnny Pye,
and Jack’s Holiday.
His musical Stand by Your Man
was written for Nashville’s Ryman Theater.
Television includes Crime and Punishment
and The Cosby Show.
Mark co-wrote the screenplay for Carroll Ballard’s film Duma
and directed and produced the documentary My Dog
featuring Richard Gere, Lynn Redgrave, and Billy Collins. He also wrote the award-winning children’s book, Three Cups.
He is a member of the Dramatists Guild, the Writer's Guild East, and is an Associate Artist at the Barrington Stage Company.