Jami L. Treantafeles

Senior Director
Jami Treantafeles in a blue shirt and gray jacket is smiling for a professional photograph

Jami Treantafeles is an expert in pharmaceutical controlled substance investigations and regulatory compliance. With over 12 years of experience, she has demonstrated exceptional skill and technical expertise in identifying and preventing the diversion of pharmaceutical controlled substances and listed chemicals.

During her first year at Guidepost, Ms. Treantafeles consistently provided comprehensive DEA regulatory compliance advice, evaluation, and enhancement for a range of clients, including manufacturers, distributors, reverse distributors, hospitals and pharmacies holding DEA registrations. She successfully assessed and revamped the Suspicious Order Monitoring System for a large-scale manufacturer, implementing several key changes. Additionally, Ms. Treantafeles has assisted various large-scale hospital institutions with auditing their controlled substances.

As a former Diversion Investigator with the Drug Enforcement Administration (DEA), Ms. Treantafeles brings years of experience investigating violations of the Controlled Substance Act (CSA) and the Chemical Diversion and Trafficking Act (CDTA). She has expertise in overseeing the manufacture, distribution, and dispensing of legitimately produced controlled substances and listed chemicals, ensuring they do not enter the illicit market and maintaining compliance with federal law. Prior to departing the DEA in 2023, she conducted complex criminal, civil, and regulatory compliance investigations of DEA registrants, including manufacturers, distributors, narcotic treatment programs, importers, exporters, researchers, practitioners, and pharmacies.

She began her career with the DEA in the Houston Field Division in 2011, where she was assigned to the diversion group, the Tactical Diversion Squad, and the Houston Police Department. During her tenure in Houston, Ms. Treantafeles led numerous complex criminal and civil diversion cases, resulting in criminal convictions, civil fines, and administrative consequences. In 2017, she transferred to the Tulsa, Oklahoma Resident Office, where she continued to excel as the lead investigator on many cases. Notably, her efforts led to the first federal indictments of physicians in two separate districts in Oklahoma in decades. Throughout her tenure as a Diversion Investigator, Ms. Treantafeles consistently received outstanding ratings and numerous awards for her contributions to the agency.

Ms. Treantafeles has testified in federal court on diversion related matters in criminal, civil, and administrative proceedings, including both state and federal Grand Jury proceedings.

Throughout her career, Ms. Treantafeles has served as a mentor and trainer for new diversion investigators. She is a respected trainer and a loyal colleague to all she encounters. Ms. Treantafeles is a notable speaker on issues related to controlled substance compliance and diversion, frequently presenting at industry events and community outreach programs. She provides valuable diversion expertise to DEA registrants, law enforcement entities, regulatory agencies, and the community regarding the Controlled Substance Act (CSA) and the Chemical Diversion and Trafficking Act (CDTA).

Did You Know?

Jami was a three-time state tennis champion in high school.

Education

  • Bachelor of Science, Biological Sciences, University of Missouri
  • Juris Doctorate, University of Tulsa College of Law

 

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