DEA Leadership

Uttam Dhillon, Acting Administrator, Drug Enforcement Administration
Uttam Dhillon, Acting Administrator

Uttam Dhillon was appointed Acting Administrator of the Drug Enforcement Administration on July 2, 2018 by Attorney General Jeff Sessions.

In 2006, Mr. Dhillon was confirmed by the United States Senate as the first Director of the Office of Counternarcotics Enforcement at the Department of Homeland Security. In that role, he worked closely with other federal agencies to coordinate the federal government's anti-drug efforts. Prior to DHS, Mr. Dhillon served as an Associate Deputy Attorney General in the United States Department of Justice where he led the development of the Department's anti-gang efforts as chair of the Attorney General's Anti-Gang Coordination Committee, developed policies and procedures for resolving federal law enforcement jurisdictional conflicts over terrorist-related explosives investigations, served as a member of the Attorney General's Review Committee on Capital Cases, and was appointed executive director of the President's Board on Safeguarding Americans' Civil Liberties.

Earlier in his career, Mr. Dhillon served as an Assistant United States Attorney in the Central District of California for over six years. In that role, he directed complex investigations of major narcotics trafficking organizations and gangs. Mr. Dhillon successfully prosecuted cases involving narcotics trafficking, money laundering, alien smuggling, and gun possession crimes. He also argued multiple appeals before the Ninth Circuit Court of Appeals.

More recently, Mr. Dhillon served as Deputy Counsel and Deputy Assistant to the President of the United States. Mr. Dhillon also has significant experience in the Legislative Branch, holding several senior roles including Chief Oversight Counsel for the House Financial Services Committee, Chief Counsel and Deputy Staff Director for the House Select Committee on Homeland Security, and Senior Investigative Counsel for the House Committee on Oversight and Government Reform.

Mr. Dhillon graduated from Boalt Hall School of Law at the University of California, Berkeley. He earned a Master of Arts degree in psychology from the University of California, San Diego and a Bachelor of Arts degree in psychology from California State University, Sacramento. He is a member of the District of Columbia Bar.  

Preston L. Grubbs
Preston L. Grubbs, Principal Deputy Administrator

Preston L. Grubbs is in his 35th year with the Drug Enforcement Administration (DEA). On October 2, 2017, Mr. Grubbs was elevated to Principal Deputy Administrator. As Principal Deputy Administrator, Mr. Grubbs is responsible for all administrative, intelligence, regulatory, compliance and enforcement functions in DEA. Mr. Grubbs will continue to serve as the Assistant Administrator for the Operational Support Division. He has served in this position since April 2009. In this capacity, Mr. Grubbs is the agency’s Chief Information Officer. As the Assistant Administrator for the Operational Support Division, Mr. Grubbs has oversight responsibilities for DEA’s Office of Information Systems, Office of Administration, Office of Forensic Sciences, and Office of Investigative Technology. He manages DEA’s largest Division, with approximately 1,500 employees (including contractors) and an annual budget of approximately $600 million.

Mr. Grubbs began his law enforcement career in 1979 with the Moon Township Police Department in Pennsylvania before joining DEA in 1983. Mr. Grubbs served as a DEA Special Agent in Pittsburgh, New York City, and Washington, D.C., where he was promoted to the position of Group Supervisor in 1991. In 1995, Mr. Grubbs was reassigned to the Office of Professional Responsibility (OPR) at DEA Headquarters and in 1997 was promoted to the Deputy Chief Inspector in OPR. In 1999, Mr. Grubbs was transferred to serve as the Assistant Special Agent in Charge at the Washington Division Office and later in the Baltimore, Maryland District Office. In 2004, Mr. Grubbs was again promoted to DEA's Senior Executive Service as the Special Agent in Charge of the St. Louis Division, one of DEA’s largest geographical divisions in the United States.

Mr. Grubbs was born in Pittsburgh, Pennsylvania. In 1977, he received his Bachelors of Science Degree in Education from East Stroudsburg University and earned his Masters Degree in Business Administration in 1982 from Robert Morris University. Most recently, Mr. Grubbs graduated from the Federal Bureau of Investigation’s National Executive Institute in October 2010. Mr. Grubbs is currently the Executive Board Chairperson for the National Domestic Communications and Assistance Center.

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