Who We Are


Our schools

Master Na Martial Arts is a traditional, professional school of self-defense and martial art education. All instructors are certified by the World Taekwondo Federation (W.T.F.) and the International Taekwondo Masters Association. The many years of training time and certification process is unparalleled by any other martial art organization. 

Our schools are headed by Grand Master Richard Na. Master Na has been teaching and training in Taekwondo and martial arts for 48 years. Master Na is an 8th degree black belt in Taekwondo. In addition he holds a 5th degree black belt in Hapkido. He is also a Tactical Master, licensed to teach C.D.T., a non-deadly self-defense system.  Master Na has a master's degree in counseling psychology and uses his combined experience in mind and body to guide and develop students to their fullest potential.  We offer programs in Lil’ Dragons (4 to 6 year olds),  Kids and Teen Taekwondo, Adult Martial Arts and Impact Krav Maga. We are members of USA Taekwondo, a member of the United States Olympic Committee. Our competition teams have won over 200 National Medals over the years.  

We offer a curriculum that is rooted in tradition but balanced with contemporary and innovative teaching methods. Our facilities are clean and professional. Classes are offered all year around and will accommodate your schedule.  

All of our schools are members of USA Taekwondo who are members of the United State Olympic Committee.  Our instructors go through Federal level background checks, are USAT coach certified.  They are recertified every year and Safe Sport back gound checked every two years.   

Meet Our Instructors

Grand Master Richard Na


Master Na is an 8th Degree Black Belt.  A Certified World Taekwondo Federation Test Examiner and Licensed International Taekwondo Instructor by the Kukkiwon.  He is also a Certified Hanmadang Referee and coach.  Master Na has combined his knowledge in psychology and martial arts to develope effective programs for student's success.  He has written a unique 21 life skills curriculum to instill leadership, confidence and success that will last a lifetime.

"I am dedicated to helping my students achieve personal excellence"!  -Master Na

Master Duane Koltes


 Master Koltes began martial arts in the 1980's.  He is a traditionalist, with strong martial arts philosophy that helps students attain physical competence with mental discipline.  Master Koltes still competes in international competition, having won silver medals at World Taekwondo Hanmadang Championships in Korea, in poomsae and power breaking divisions. 

"Taekwondo is my life.  I love to inspire others to achieve more than what they  ever could through martial arts".

Master David Nonhoff


Master Nonhoff has been training in taekwondo and martial arts since he was 14 years old.  He loves to inspire and teach children to challenge themselves.  Master Nonhoff actively competes at USAT national championships and has won numerous USA medals. He was the team captain for team USA at Hanmadang that won a bronz at the World Championships. Master Nonhoff's  passion is mentoring and coaching kids to succeed.  Both in martial arts and LIFE!

"Martial Arts and competition is my passion.  Winning isn't everything, but wanting to is".