Sandra GoldmarkEntrepreneur Sandra Goldmark is the founder of Fixup (formerly Pop Up Repair), an innovative social enterprise in New York City. She is also a theater set/costume designer, a leader in the field of sustainable theatrical design, and director of the Sstainability and Environment Program and associate professor of professional practice at Barnard College. She has an AB in American literature from Harvard College and an MFA in theatrical design from Yale University. Read More Read Less