Brigadier General Cynthia K. Tinkham is the Assistant Adjutant General – Army, Oklahoma National Guard. She advises and assists The Adjutant General on the preparation of Oklahoma Army National Guard units for Homeland Defense and mobilization. She has oversight of training, administration, logistics and personnel actions. She directs the immediate staff and provides guidance to the staff and subordinate commanders. General Tinkham also facilitates command staff decisions pertaining to force development, planning, strength maintenance and task force operations. She advises The Adjutant General concerning any issue or matter that affects the Oklahoma Army National Guard, its Citizen Soldiers and their families.
General Tinkham commissioned in 1991 through the Oklahoma Military Department Officer Candidate School, Oklahoma City, Oklahoma. In previous assignments, she has served 189th Regiment Commander, Director of Manpower & Personnel/J1, and Director of Personnel/G1. General Tinkham deployed to Afghanistan in 2009 as Executive Officer of the 1-45th Agriculture Business Development Team. Prior to receiving her commission, General Tinkham served for 2 years as an Enlisted Soldier in the Oklahoma Army National Guard.