Carrie Severino is chief counsel and policy director of the Judicial Crisis Network. In that capacity she has testified before Congress on assorted constitutional issues and briefed senators on judicial nominations. She has written and spoken on a wide range of judicial issues, particularly the constitutional limits on government, the federal nomination process, and state judicial selection. Severino regularly files briefs in U.S. Supreme Court cases, including Hobby Lobby v. Burwell, McCullen v. Coakley, and Schuette v. BAMN. She has also filed briefs in the Halbig and King cases challenging the Obama Administration's implementation of Obamacare. Until 2010, Severino was an Olin/Searle Fellow and a Dean's Visiting Scholar at Georgetown University Law Center. She was previously a law clerk to U.S. Supreme Court Justice Clarence Thomas and to Judge David B. Sentelle of the U.S. Court of Appeals for the D.C. Circuit.