David Key, longtime assistant director of Macon County Emergency Services, will take over as the agency’s director.

Key has held the position on an interim basis since mid-August. He has been with emergency services in that county for more than 19 years.

In other changes, Jimmy Teems has been designated Macon County’s fire marshal. Todd Seagle will move from lead telecommunicator to 911 communications supervisor; Angie Kingsland’s title will change from office manager to 911 addressing coordinator.