Easterwood's experience in Cherokee included stints with uniform patrol, K-9 and internal affairs and he was a commander of the sheriff's office's traffic enforcement unit and hostage negotiation team.
Most recently he had been the director of the department's new training unit. Before his time in Cherokee, Easterwood worked for the Cobb County Sheriff's Office.
"I look forward to working with someone who comes from a highly professional and respected agency," Grant said in a statement. "I am truly excited to have Chief Easterwood join our family and command staff team."
Easterwood is a graduate of Reinhardt University and earned a master's degree from Columbus State University. He also served four years in the U.S. Army.