Spectrum Martial Arts

Discover how we train

Spectrum Martial Arts strives to create a dojo-atmosphere where warrior combat fighting skills are honed through intense physical and mental training. 

We train warriors to master their body and spirit through intense martial arts training. History teaches us we fight like we train, so train hard and train real! 

 training for everyone

Welcome to Spectrum Martial Arts, home of Sian Combat Karate and W.A.R Brazilian Jiu-Jitsu! We are Minot, North Dakota's only black belt certified full-contact Karate school with lineage in Kyokushin Kai and Goju Ryu, with an instructor also certified to instruct Krav Maga and Brazilian Jiu-Jitsu. In addition, we are North Dakota's ONLY Straight Blast Gym (SBG) affiliated Brazilian Jiu-Jitsu school. Our classes are designed to teach students how to fight in three ranges of combat: Stand-up, Clinch, and Ground.

Our head instructor, Mr. Michael Sian, also continues his training as a student in the Martial Arts. He travels to both his Karate and Brazilian Jiu-Jitsu instructors for training and mentoring on a regular basis. Mr. Sian encourages people to come and try a class for free!​

Our training is for all ages and sizes! Come see what you are missing!

brazilian jiu-jitsu

full contact karate

 Our coaches


mike sian

Head Instructor | Karate, Brazilian Jiu Jitsu and Striking Foundations

Mr. Sian began training in Karate in 1984, at age 11, under Sung 'Mark' Cho, eventually earning a 3rd Dan in 2007. He currently continues his training in full-contact karate under USA-IFK black belt Master Dave Sheets. From 1993 to 1995, he studied North American Tae Kwon Do, earning his 1st Degree Black Belt in 1995 under Sensei Tom Ziedlik. Mr. Sian was promoted to the rank of Ni Dan, 2nd Degree Black Belt, in May 2016 in the style of Goju Ryu under Master Stefano Cianelli. In 2003 he began training in Brazilian Jiu-Jitsu and is a Black Belt under Coach Ray Price (SBG), Sloth Jiu-Jitsu, Reno, NV. 
Mr. Sian is a retired military officer and federal law enforcement Special Agent with over two decades of experience in counter-terrorism operations worldwide, with combat tours in Desert Storm, Bosnia, Kosovo, Iraq (4 times), and Afghanistan (3 times). He is a board member and senior instructor for the Intercept – Stabilize –Resolve (ISR) Matrix, a certified Advanced Military/Law Enforcement Krav Maga Instructor with Krav Maga Worldwide, and holds a basic certification in Pressure Point Control Tactics (PPCT TM).

Hunter Sian

SMA Instructor
Adult & Kids Karate

Mr. Hunter Sian began his karate training in 2007 at the age of 5, under Coach Michael Sian. He earned his Black Belt in Karate in August 2018. Hunter started training in Brazilian Jiu-Jitsu in 2014 and is currently a Blue Belt under Coach Mike. Hunter currently trains in Karate, Brazilian Jiu-Jitsu, and Muay Thai Kickboxing.

tyler chronister

SMA Instructor
Brazilian Jiu-Jitsu Foundations

Mr. Tyler Chronister began his martial arts training in 2016 under Coach Michael Sian. He earned his Purple Belt in Brazilian Jiu-Jitsu in 2022 (awarded by Black Belt Coach Mike Sian, SBG). Tyler currently trains Brazilian Jiu-Jitsu under SMA Head Instructor Michael Sian.

paul deibert

SMA Instructor
Growing Gorillas
Kids Brazilian Jiu-Jitsu 

Mr. Paul Deibert began his martial arts training in 2017 under Coach Michael Sian. He earned his Purple Belt in Karate in 2020 and his Purple Belt in Brazilian Jiu-Jitsu in 2022 (awarded by Black Belt Coach Mike Sian, SBG). Coach Paul currently trains Brazilian Jiu-Jitsu under SMA Head Instructor Michael Sian.

jared gebhardt

SMA Instructor
Assistant Coach

Mr. Jared Gebhardt began his martial arts training in 2018 under Coach Michael Sian. He is currently a Purple Belt in Full Contact Karate and trains Brazilian Jiu-Jitsu and Muay Thai Kickboxing.

 Jared is a lifelong fan of boxing, studying the tactics of the 'sweet science' for many years, and is a current certified boxing coach. 

​Jared is the primary boxing instructor for Team SMA's Striking Foundations class. 


SMA Instructor - OKC
BJJ Foundations

Colby Davis is a Brazilian Jiu-Jitsu blue belt under Mike Sian.  He began his training in Lajes Field, Portugal (2011) under Aaron Cardona.  Then trained at Anchorage BJJ under Coach Ryder Spadafore for a short period of time.  Once in Minot, ND he focused his passion on the art of BJJ and earned his blue belt in February of 2021.  He will be continuing his training and beginning his coaching lineage in Oklahoma City, OK, taking the W.A.R. program and SBG foundations with him.