Tammie was born and raised in Nashville, Tennessee. Prior to beginning a Law Enforcement career in 1990, Tammie served 4 years in the United States Army. She served as a Psychiatric Specialist in Army hospitals on the military bases of Ft. Dix, New Jersey, and Ft. Leonard Wood, Missouri.
Tammie is in her twenty-fifth year with the Oklahoma City Police Department. She is currently a Patrol Lieutenant/ Supervisor for the Operations Bureau. Tammie has served as an Administrative Supervisor in the Logistical Support Unit, overseeing duties at the Oklahoma County Jail, which is a shared facility with the Oklahoma City Police Department. Tammie has also been involved with the Field Training Program for Oklahoma City Police Department since 1994 and is currently an active supervisor in the Field Training Program.
Tammie is also on the Board of Directors for the non-profit, 'Justice for a Cure'. This organization gets law enforcement agencies involved in fundraising to help assist in finding a cure for cancer.
Tammie is an active member of the Oklahoma City Police Department's Honor Guard Unit and a member of Oklahoma Women in Law Enforcement. Tammie is a member of HEART 911 founded by Ground Zero Commander Bill Keegan. Tammie holds an Associate's Degree in Police Science from Oklahoma State University (OKC), and a Bachelor's Degree in Criminal Justice from Cameron University.