Deputy Chief Derek Weeks began his career in law enforcement by serving four years with the Roanoke City Sheriff's Office. In 2001, he joined the Salem Police Department as a Patrol Officer and later transferred to Salem's Detective Division in 2006. Major Weeks was elected Officer of the Year by his departmental peers in 2007.
In 2009, he was promoted to the rank of Sergeant, and he served in that capacity in the Patrol, Services, and Forensics Divisions of Salem PD. During that period, Weeks graduated from the 81st Session of the Forensic Science Academy. In 2015, he was promoted to the rank of Lieutenant and since then has served in both the Patrol and Detective Divisions.
Weeks graduated from Glenvar High School in 1992 and from Radford University in 1996. He also is a graduate from the Professional Executive Leadership School (PELS) 43rd Session at the University of Richmond and the FBI National Academy 284th Session. He and his family reside in Salem.