Mangan Law is a specialized military defense law firm exclusively dedicated to representing uniformed military personnel, DOD civilians, and civilian law enforcement officers. Led by Lieutenant Colonel (Retired) Sean F. Mangan, the firm stands out for its deep, multifaceted expertise in military justice, with over 30 years of combined experience across law enforcement, prosecution, defense, and judicial roles within the military and criminal justice systems.
The firm adopts a proactive, results-driven approach, leveraging Sean Mangan’s unique background as a former Army Certified “Master Military Justice Practitioner,” Professor of Military Criminal Law, and Senior Criminal Law Policy Attorney at the Pentagon. Mangan Law provides aggressive, strategic representation tailored to clients facing high-stakes military legal proceedings, with a track record of over 200 recent cases across all military branches. Their practice is on protecting careers and futures through early intervention, advanced litigation tactics, and an unwavering commitment to those who serve.
Services Offered
- Criminal Investigations
- Administrative Investigations
- Military Medical Privileging/Credentialing
- Adverse Administrative Actions
- Court-Martial Representation
- Trial Attorney Services
The firm serves clients across all branches of the U.S. military and Department of Defense, drawing on respected standing with each service and a comprehensive understanding of the Uniform Code of Military Justice (UCMJ), military administrative systems, and related federal law.
