American screenwriter
Father of 1st child with his wife Busy Philipps Daughter, Birdie Leigh Silverstein, was born on August 13, 2008, weighing in at 9 lbs, 7 oz and 21 inches long.
Daughter, Birdie Silversteins godmother is Lizzy Caplan.
Father of his 2nd child with wife Busy Philipps 2nd daughter, Cricket Pearl Silverstein, was born July 2, 2013.
Marc and his wife, Kathy, have a son, Spencer.
Has a media company called "On the Marc Media".
