Preston Grubbs

Preston L. Grubbs is an American law enforcement officer who served as the principal deputy administrator of the Drug Enforcement Administration from 2017 to 2021.

Early life and education
Grubbs was born in Pittsburgh, Pennsylvania. He received his Bachelor of Science degree in education from East Stroudsburg University and earned a Master of Business Administration from Robert Morris University in 1982.

Career
Grubbs began his law enforcement career in 1979 with the Moon Township Police Department in Pennsylvania.

In 1983 Grubbs joined the Drug Enforcement Administration (DEA), and served as a DEA special agent in Washington, D.C., New York City, and Pittsburgh.

In 2017, Grubbs succeeded Robert W. Patterson as the principal deputy administrator of the DEA.