A Piece of History

As we reflect on our journey over the past 11 years, we're proud to share the first article written by the Mustang Times upon our opening. It serves as a testament to our longstanding presence in the community and the support we've received from our valued customers. Since day one, we've been committed to providing exceptional service and building meaningful connections with our patrons. This article holds a special place in our hearts, reminding us of the excitement and anticipation surrounding our establishment's debut. We're grateful for the opportunity to serve the community and look forward to many more years of continued growth and success together.

We know that starting any new program can be scary for both parents and kids. There are so many unknowns.

That's why we believe in having a great family-like feel to our school and providing you and your family with the best instructors and facility in Yukon.

We are constantly investing in new equipment and making sure that we are finding the absolute newest and most advanced training equipment for our students.​

We believe in having a safe, clean and uplifting environment every day at CORE Martial Arts & Fitness.

Our goal is to build a community that wants to spend time together inside and outside of the gym. Countless new friendships have been formed inside the four walls of our school.

At CORE Martial Arts & Fitness in Yukon we have a process for selecting instructors that just a few lucky get through.

These instructors are passionate about martial arts, they love to teach and enjoy seeing our students succeed and grow.

Our martial arts instructors are students of the art and will challenge you to become the best that you can be.

CORE Martial Arts & Fitness instructors receive ongoing training from the best in the industry.

Community outreach is the lifeblood of a local business, serving as a vital conduit for fostering positive relationships, building trust, and creating a sense of belonging among its members and the wider community.

By actively engaging with local schools, community centers, and charitable organizations, we not only demonstrate commitment to social responsibility but also provides valuable opportunities for personal growth and development.

Moreover, community outreach efforts also cultivate a supportive network of allies and partners, ensuring its long-term sustainability and impact within our community.

Sensei Michael Kramp

Owner and Chief Instructor of CORE Martial Arts

Mr. Kramp began martial arts in 1989. After having trained in Taekwondo and Shito-ryu Karate, he pursued and was successful in achieving his Black Belt in Kyokushin Karate. He went on to earn his 1st Degree Black Belt in Taekwondo in 2006 and his 5th Degree black belt in 2017. He currently trains as a Sandan under Shihan Todd Hutchison and the North American Kyokushin Organization.

Sensei Kramp has trained a number of years in Mixed Martial Arts, improvised weapons and grappling/ground fighting. He has been a Reserve Deputy with the Canadian County Sheriff’s Office and currently serves as a Reserve Officer with Union City Police Department and the Canadian County Special Operations Team.

Sensie Kramp was chosen for induction into the United States Martial Artist Association Hall of Fame as 2014 Instructor of the Year and also been granted membership into the Association of Masters.

Sensei Kramp is also the 2014 Oklahoma State Champion in Kata within the Oklahoma Karate Association.



He is an avid reader of American and world history and voraciously finishes one book a month. He loves Nurse Jamie (his wife and business partner) above all things and prefers all extra time is spent with her and their 2 dogs, Thor and Scout.

Sensei Bo Mowdy

Sensei Bo has been studying karate since 1979. He originally studied traditional Okinawan Karate Goju Ryu before becoming a lifelong student of Kyokushin Karate. Sensei Bo and Mr. Kramp have been lifelong friends spanning 30 years. Sensie has logged thousands of hours of training, kumite and teaching over his 40 years of training.  In addition to these accomplishments, he has participated numerous times in full-contact Kyokushin "knockdown" tournaments over his many years in the sport.

Sensei Bo is a Yondan (4th Degree) under Shihan Todd Hutchison of the North American Kyokushin Organization and is also with the Oklahoma Highway Patrol and currently stationed with the Governor's protection detail at the Governor's Mansion. 

Sensei Bo has a son Killian, which is the apple of his eye!  He is an avid motorcyclist and has ridden his bike all the way up to Alaska on a motorcycle trip!

Sensei Bo lives and breathes Kyokushin Karate.  He is the "spirit" of our CORE dojo! 

Sempai Lilly Raisely

Sempai Lilly has been training with CORE for the last 7 years. She diligently trained and obtained here Shodan (1st Degree) in Kyokushin Karate in 2022 and her Nidan (2nd degree) in 2025. Her love of karate expanded into teaching in 2022 by becoming an Apprentice Instructor. She promoted to Assistant Instructor and is now a Lead Instructor teaching a full night of classes. She adores our students and parents are stunned by her level of maturity. She loves to study history and can be found in the gym or by the pool (when its summer).

Sempai Nathaniel Schmidt

Sempai "Nate" began his training with CORE in 2020. He earned he Shodan (1^st Degree) in Kyokushin Karate in 2024. Nathaniel entered karate in order to work through socializing and personal confidence goals. Mission accomplished! He has spent over a year as an Apprentice Instructor and was promoted to Assistant Instructor in November of 2025! He loves Kumite (sparring) and teaching younger students how to conquer their fears!  When not found at the dojo, you will find him at a pond or lake enjoying his favorite hobby of fishing.

Sempai Alison Hogan

Sempai Alison began her training with us in 2018 and has proven to be an incredible martial artist! She, along with her sister, earned her Shodan (1^st Degree) with CORE in 2025. She has developed a love for teaching younger students who are starting in their karate journey. She earned her Apprentice Instructor in April 2026. Her favorite part of karate is sparring.  She is a member of her school's cross-country team.  When not found at CORE, you will find her nose in a book! She loves reading and also college wrestling.

Sempai Savannah Hogan

Sempai Savannah started with CORE in 2018 with her sister.  She earned her Shodan (1st Degree) in Kyokushin Karate in 2025. She earned her Apprentice Instructor in April 2026. Her favorite part of karate is the ground fighting and self-defense program. She is an avid reader and has a love of all animals!

Sempai Lilly Poole

Sempai Lilly started with CORE in 2021 with experience in Kajukenbo.  She earned her Shodan (1st Degree) in Kyokushin Karate in 2025. She earned her Apprentice Instructor in April 2026. Her favorite part of karate is Kata and Kihon.  Her favorite subject is history and science. She is a foodie with earbuds! Loves a variety of music from worship to heavy metal.

"Nurse" Jamie Kramp

Nurse Jamie is Sensei Kramp's wife and she became our Front Office Director in 2024. She brings organization to the business part of our dojo and keeps "the trains running" for CORE! She adores our students and will move mountains to ensure they have the support needed at CORE. She loves all things medicine and loves her dogs, Thor and Scout.  She always has her nose in a book and her hand interlocked with Sensei's!

"Mrs. H" Rachel Harrison

Although Mrs. H officially started working for CORE within our Front Office in 2026, she has always been a familiar face assisting wherever needed as a volunteer.  She is the mother of 3 of our students, with one being Sempai Sean, one of CORE's Black Belts.  Her other two are twins, Alex and William and they are both working towards their Black Belts. Mrs. H spends all free time with her family and is involved with her son's Boy Scouts. Her husband Tyler has also worked closely with Sensei Kramp in Law Enforcement.