Sherif Girgis is a research scholar at the Witherspoon Institute. The coauthor of the books What Is Marriage? Man and Woman: A Defense and Debating Religious Liberty and Discrimination, he earned his A.B. at Princeton University and, after earning a master's degree at Oxford as a Rhodes Scholar and a law degree from Yale, returned to Princeton to complete a Ph.D. in philosophy. He has written and spoken on social issues in numerous academic and popular venues.