Master Coker tested for her 1st Dan in 1976 with Tang Soo Do Moo Duk Kwan, and later for her 1st Dan in Tae Kwon Do. A Japanese system called Yoshukai was the next style Master Coker trained in. She learned to break a baseball bat with her shin and won the World Japanese Black Belt Breaking Championships with this style.
After seven Regional Grand Championships with The World Tang Soo Do Association, Master Coker was the third female to test for Masters belt with the World Tang Soo Do Association. She is the founder of "The Stranger Danger Child Abduction Prevention and Awareness Program", and "The Ask Mom First" Program.
Master Coker is now a 6th Dan and trains under Grandmaster John St. James, the President and Founding Master of the Atlantic Pacific Tang Soo Do Federation. She is also a member of the Federation’s Board of Directors and chairs the Federation’s Promotions Committee.
She was married to Sensei Morris Coker, a 5th Dan with The Association of Japanese United Martial Arts and an instructor in the Atlantic-Pacific Tang Soo Do Federation until he passed in 2007. Master Coker's school is called the Family Karate Center (Coker's Tang Soo Do), and the school motto is "The Family That Kicks Together Sticks Together!"