Jeff Long is the acting commissioner of Tennessee Department of Safety and Homeland Security.

Long has held various positions, including Assistant District Attorney for the 21st Judicial District,[4] Special Agent in Charge with the Tennessee Bureau of Investigation,[5] Investigator for the 21st Judicial District, Arson Investigator with the Tennessee Fire Marshal’s Office, Captain with the Williamson County Sheriff’s Office,[6] and Federal Hospital Police Officer with the Veterans Administration Hospital in Memphis, Tennessee.

In 2014, Governor Bill Haslam appointed Sheriff Long to the Peace Officers Standards and Training Commission.

[7] Commissioner Long's appointment to the helm of the Tennessee Department of Safety and Homeland Security came under the administration of Governor Bill Lee in January 2019.

[8] Long resides in Williamson County with his wife, Dora, and their family, including two children, Julie and Justin, and five grandchildren.