Leonard is Co-Chairman and former Executive Vice President of the Federalist Society, joining the organization over 25 years ago. In addition to his work at the Federalist Society, Leo has advised President Trump on judicial selection, assisted with the Gorsuch and Kavanaugh Supreme Court selection and confirmation process, and served as a member of the transition team. He also organized the outside coalition efforts in support of the Roberts and Alito U.S. Supreme Court confirmations. Leo was appointed by President George W. Bush to three terms to the U.S. Commission on International Religious Freedom as chairman. He was also a U.S. Delegate to the UN Council and UN Commission on Human Rights during the Bush Administration.