Grant T. Sullivan
Colorado Court of Appeals
Judge Grant T. Sullivan was appointed to the Colorado Court of Appeals in 2024. Before his appointment, Judge Sullivan practiced law as a trial and appellate litigator with the Colorado Attorney General's Office from 2011 to 2023. He served in both the Public Officials Unit and the Tax Unit, specializing in constitutional law, voting rights, election disputes, tax, administrative law, and appeals. Judge Sullivan previously practiced law with the Denver office of a national firm and served as a Supreme Court Fellow with the National Association of Attorneys General. He clerked for Judge John Webb on the Colorado Court of Appeals and Justice Nathan Coats on the Colorado Supreme Court.
Judge Sullivan is a member and past president of the Minoru Yasui American Inn of Court, which is dedicated to improving the skills, professionalism, and ethics of the bench and bar. He is also a member of the Colorado and Denver Bar Associations and is active in the CBA's Appellate Subsection. Before his appointment, Judge Sullivan served as a volunteer attorney with Metro Volunteer Lawyers' post-decree clinic, providing pro bono counsel to unrepresented litigants in domestic cases.
Judge Sullivan received his Juris Doctorate from the University of Colorado Law School. He earned his Bachelor of Business Administration degree from the University of Texas at Austin's McCombs School of Business.
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