Justin M. Sloan is a senior Chief Warrant Officer in the United States Army working principally as a national security crimes investigator. He is a graduate of the Federal Law Enforcement Training Center, Defense Cyber Investigation Training Academy, and National Center for Explosives Training and Research. He holds a B.S. in Military Studies from Excelsior College, New York. With 19 years of Active Duty service, he has deployed in support of contingency operations in Iraq and the Philippines, and humanitarian efforts across the Asia-Pacific, visiting 28 different countries and territories throughout his career.

He is the author of Disruption Theory, a formal theoretical framework for explaining and perceiving abstract counterintelligence principles, and the Quantified Screening Method, a mathematical model to evaluate the probability of divided loyalty in a given population.

Justin enlisted in the Army in December, 2001 following the terrorist attacks of September 11th. He initially served as a Combat Engineer in the 82nd Airborne Division and Defense POW/MIA Accounting Agency. In 2009, Justin attended the Counterintelligence Special Agent Course and transitioned into the Army Counterintelligence (ACI) service, achieving the rank of Sergeant First Class.

Justin was appointed as a Counterintelligence Technician Warrant Officer in 2012, and commissioned as a Chief Warrant Officer in 2014. Since receiving his commission, Justin has served as the Special Agent in Charge of the Savannah Field Office, 902d Military Intelligence Group, and as an Operations Officer for the 524th Military Intelligence Battalion. He is currently serving a second assignment as the Counterintelligence Coordinating Authority for the 25th Infantry Division.