Leonard Anthony Leo is an American lawyer and conservative legal activist. He was the longtime vice president of the Federalist Society and is currently, along with Steven Calabresi, the co-chairman of the organization's board of directors. Leo has been instrumental in building a network of influential conservative legal groups funded mostly by anonymous donors, including The 85 Fund and Concord Fund, which serve as funding hubs for affiliated political nonprofits. He assisted Clarence Thomas in his Supreme Court confirmation hearings and led campaigns to support the nominations of John Roberts, Samuel Alito, Neil Gorsuch, Brett Kavanaugh, and Amy Coney Barrett.

Samuel Anthony Alito Jr. is an American jurist who serves as an associate justice of the Supreme Court of the United States. He was nominated to the high court by President George W. Bush on October 31, 2005, and has served on it since January 31, 2006. After Antonin Scalia, Alito is the second Italian American justice to serve on the U.S. Supreme Court.