Prior to joining ADJ, Colleen was a law clerk to former Chief Justice Wallace B. Jefferson and Justice Jeffrey V. Brown of the Supreme Court of Texas. After her clerkship, Colleen was selected for the Department of Justice Honors Program and served for two years as an Attorney Advisor for the Department of Justice National Security Division. There, she evaluated the legality of threat responses, analyzed draft legislation and proposed rule changes, drafted legal memoranda to high-level policymakers, developed legal guidance for the private sector, and assisted in the development of appellate arguments. During that time, Colleen also served as Director for Cybersecurity Policy in the National Security Council Cybersecurity Directorate. In that role, she guided interagency processes on export control of cyber technology and cross-border data sharing and conducted industry outreach. Most recently, Colleen served for over two years as an Assistant United States Attorney in the Criminal Division of the United States Attorney’s Office, Eastern District of Virginia. There, she and co-counsel obtained over 70 convictions, including six by trial, and drafted appellate briefs to the United States Court of Appeals for the Fourth Circuit.
Colleen received her J.D. from Columbia Law School, where she was a Harlan Fiske Stone Scholar and served as Articles Editor of the Columbia Law Review. She received a Master’s degree, with distinction, from the Naval Postgraduate School, and she received her bachelor’s degree, cum laude, from the Georgetown University Walsh School of Foreign Service.