Brian M. Clark serves as the Special Agent in Charge of the Drug Enforcement Administration’s (DEA) San Diego Field Division.  Mr. Clark oversees all enforcement operations, drug diversion and regulatory investigations and administrative operations covering San Diego and Imperial Counties.

Mr. Clark is from Chatham, Illinois and graduated from Southeast Missouri State University.  He holds a Juris Doctor from Southwestern Law School in Los Angeles and is a member of the Georgia State Bar.

Prior to joining DEA, Mr. Clark served as an officer within the United States Air Force, Office of Special Investigations (AFOSI), and conducted criminal, counterintelligence and counterterrorism operations and investigations.  He is a veteran of Operation Enduring Freedom and served in Afghanistan.

Mr. Clark joined DEA in 2008 and was assigned as a Special Agent to the Los Angeles Field Division, where he conducted investigations targeting violent street gangs, money launderers, and transnational criminal organizations (TCOs).  In 2015, Mr. Clark was promoted to a Supervisory Special Agent and subsequently served in a variety of leadership positions to include, Group Supervisor in the Los Angeles Field Division, Resident Agent in Charge of the Orange County Resident Office, Senior Inspector and Inspector in the Office of Professional Responsibility, and Assistant Special Agent in Charge in the Los Angeles Field Division.

In March 2023, Mr. Clark was appointed to the Senior Executive Service by Administrator Anne Milgram and assigned to lead the San Francisco Field Division covering 49 of California’s 58 counties, encompassing the area from Bakersfield to the Oregon border. While there, Mr. Clark worked closely with his federal, state, and local partners to improve the health and safety of the Tenderloin District and reduce drug poisonings throughout Northern and Central California. 

In June 2024, Mr. Clark was reassigned to lead the San Diego Field Division. He is committed to defeating the Sinaloa and CJNG cartels’ drug related activities, creating diverse partnerships, and increasing public awareness and education to reduce drug poisonings within the San Diego area of responsibility.