Mary Mazzio is an American documentary filmmaker, attorney, and a rower for the United States in the 1992 Olympics. She founded the independent film company 50 Eggs.Mazzio received a B.A. in philosophy and political science from Mount Holyoke College in 1983 and a J.D. from Georgetown Law. She studied film production as a graduate student at Boston University. She is a former partner with the law firm of Brown Rudnick in Boston.