Sensei Clark started his study of Shotokan Karate in 1989 as a member of the International Shotokan Karate Federation while stationed at Luke Air Force Base, Arizona. While in the Air Force, Sensei Clark had the opportunity to train under many masters of Shotokan Karate such as Teruyuki Okazaki, Takayuki Mikami, Yutaka Yaguchi, Shojiro Koyama, Shigeru Takashina, and Kenneth Funakoshi. In 1998 Doug was promoted to the rank of Shodan (1st degree black belt) by Chairman of the International Traditional Karate Federation Master Hidetaka Nishiyama. Sensei Clark currently holds the rank of Sandan, 3rd degree black belt, in the Karatenomichi World Federation (KWF). Sensei Clark is also a registered instructor, judge, and examiner under the KWF.
Sensei Clark retired from the Air Force September 1st, 2001 to focus more on his study and instruction of Shotokan Karate. Since retirement as an Air Force Explosive Ordnance Disposal Specialist Sensei Clark has dedicated himself to the training and teaching of Shotokan Karate, working with kids, and volunteering his time teaching self defense to the Las Vegas community. Sensei Clark shares his knowledge with students willing to make the sacrifices necessary of serious karateka.