Prior to USAID, Christopher was associate general counsel in the Office of the General Counsel at Catholic Relief Services (CRS), one of the world’s largest humanitarian relief organizations. He was primary transactional counsel for CRS in East Africa, the Middle East, and East Asia. He helped establish their social impact investing operations. He also represented CRS regarding U.S. sanctions and export matters and served as a member of the Sanctions Subcommittee of the U.S. State Department’s Advisory Committee on International Economic Policy. Prior to CRS, Christopher was an associate in the corporate group at Vinson & Elkins in New York and Beijing, and the corporate group at DLA Piper in Baltimore. Prior to his legal career, Christopher served in the United States Peace Corps in Kenya as a microfinance advisor.