David S. Olesky
In July 2025, David Olesky was named the Special Agent in Charge for DEA’s Rocky Mountain Field Division, where he overseas more than 300 employees and Task Force Officers operating throughout the states of Colorado, Montana, Utah, and Wyoming. The DEA Rocky Mountain Field Division includes 13 offices and covers 434,000 square miles of territory.
Mr. Olesky reported to the Rocky Mountain Field Division in April 2020 as an Assistant Special Agent in Charge and since his arrival had also served in the extended role of interim Special Agent in Charge on multiple occasions. Throughout his 25 years of service with DEA, Mr. Olesky has been involved in significant enforcement actions, specialized in money laundering operations, and gained valuable leadership experience in both the domestic and foreign arenas. While assigned to DEA Headquarters, Mr. Olesky provided significant contributions to the organization as an Executive Assistant and Section Chief.
Mr. Olesky began his career with DEA in 2000 when he was hired out of DEA’s New Jersey Field Division. His first post of duty was as a Special Agent in the Los Angeles Field Division, assigned to the division’s Southwest Border Initiative focused on Mexican Drug Trafficking Organizations impacting the greater Los Angeles area. In 2007, he was assigned to the Panama City, Panama Country Office. At the conclusion of his tour in Panama, he returned to Los Angeles as a Group Supervisor for the division’s Financial Investigations Team. In 2014, Mr. Olesky returned to the foreign arena as a Group Supervisor in DEA’s Bogota, Colombia Country Office. In 2018, he was assigned to DEA’s Headquarters in Arlington, Virginia, where he worked as an Executive Assistant and then became the Section Chief responsible for overseeing DEA’s domestic and international money laundering investigations and operations.
Mr. Olesky graduated from Trenton State College in New Jersey with a bachelor’s degree in accounting. Prior to joining DEA, he worked at a public accounting firm, ultimately receiving his license as a Certified Public Accountant (CPA).