Wakulla Rotary International Club; Wakulla County School District Planning Advisory Committee; Goodwill of the Big Bend Board of Directors; Wakulla Diamond Club; Wakulla Gridiron; Wakulla Public Safety Coordinating Council; Wakulla Academic Boosters; Wakulla Chamber of Commerce; Wakulla 4-H Advisory Committee; Wakulla Men’s Club; Big Bend Hospice Board; Florida Wild Mammal Association (FWMA); past member, Keiser University School Criminal Justice Committee’ Commissioner, Florida Corrections Accreditation Commission; member, Florida Model Jail Standards Committee; Board of Directors of the Florida Sheriff’s Association; The Salvation Army of Tallahassee Advising Board;. Sheriff Miller is also an active member of the Florida Sheriff’s Association (FSA) and the National Sheriff’s Association (NSA); Sheriff Miller is also the founding sheriff and chairman of the North Star Multijurisdictional Task Force.