After graduating from law school, Catherine McCulloch worked as a fellow with the Youth Law Center in San Francisco to address the problem of youths in foster care becoming involved in the delinquency system. Her work was funded by a Julius Glickman Fellowship in Public Interest Law. Cat is now a staff attorney with the Youth Law Center.
At Texas Law, Cat participated in the Human Rights Clinic, the Juvenile Justice Clinic, the Criminal Defense Clinic and the Domestic Violence Clinic, and served as president of the Public Interest Law Association. She worked for Disability Rights Texas and the American Civil Liberties Union of Texas in Austin, and the Southern Poverty Law Center in Montgomery, Alabama.