Marc and his wife have a son and a daughter. His wife is a practicing attorney. When they are not working, they enjoy spending time with their family having various adventures around Houston. Some of the family's favorite activities include hiking, camping, canoeing, attending Astros games, swimming, scuba, sailing, and going to the beach.
His son enjoys baseball, camping, Tae Kwon Do, and actively participates in Boy Scouts.
His daughter is a dance ensemble member, enjoys theatre, and participates in Girl Scouts.