Jack Goldsmith is the Learned Hand Professor of Law at Harvard University, a non-resident Senior Fellow at the American Enterprise Institute, and a co-founder of Lawfare. Goldsmith is the author or co-author of seven books and three casebooks. He writes about presidential power, national security law, federal courts, conflict of laws, and international law. Before coming to Harvard, Goldsmith served as Assistant Attorney General, Office of Legal Counsel, from 2003-2004.