Immediately after leaving LAPA, Gil served as a law clerk to Justice Antonin Scalia of the United States Supreme Court. He then practiced law at the New York office of Wilmer, Cutler, Pickering, Hale & Dorr, where he specialized in appellate matters. Gil's articles have been published in the University of Pennsylvania Law Review and the Notre Dame Law Review. He is a recipient of the University of Michigan Law School's L. Hart Wright Award for excellence in teaching.