Mr. Thomas W. Prevoznik is a 32-year veteran of the Drug Enforcement Administration (DEA). His contributions to the DEA as a Diversion Investigator span several regulatory roles specifically relating to entities authorized to possess controlled substances, currently surpassing 2 million nationwide. These roles include such activities as importation, exportation, manufacture, distribution, prescribing, and dispensing.

In September 2023, Mr. Prevoznik was selected to be the first Diversion Investigator to serve as the Assistant Administrator of the Diversion Control Division. He previously served as the Acting Assistant Administrator for the Diversion Control Division. From 2019 to 2022, Mr. Prevoznik served as the Deputy Assistant Administrator (DAA) for the Office of Policy within the Diversion Control Division. He served as the Senior Executive in charge of drafting federal regulations and policy for controlled substances, conducting liaison with the registration population, and overseeing the Diversion Investigator Program. He is the most senior Diversion Investigator within the Diversion Control Program.

Mr. Prevoznik has served in a variety of other leadership and field roles within DEA prior to the positions listed above. He is a graduate from the University of Notre Dame, with a Bachelor of Arts in 1987; and the University of Virginia, with a Masters in Adult Education in 2004.