Meet Our Instructors
Master Instructor (Sa Bom)
O Dan (5th degree black belt)
(Dan Bon - 31410)
from: US Tang Soo Do Moo Duk Kwan Federation
Although Sa Bom Rhoades is the owner of Yuba Sutter Tang Soo Do Academy, Sa Bom Mark
Mathias is the Senior Instructor at the studio, with over 40 years of martial arts experience.
Sa Bom Nim Mathias started his Tang Soo Do training on July 10th, 1984 at the Korean Karate Academy in Yuba City, CA. The academy was owned and operated by Master Bill Clingan of Yuba City, representing the World Tang Soo Do Association.
In 1988, Master Mathias began training under Master Steve Propst of Yuba City, who was asssociated with the Tang Soo Do Moo Duk Kwan Federation (headed by Kwan Jang Nim Hwang Kee - Founder of Tang Soo Do).
On October 30th, 1992, Mr. Mathias was awarded the rank of Cho Dan. On October 30th, 1996, he was promoted to E Dan. And, on November 20th, 2000, the rank of Sam Dan.
In 2002, Master Mathias became a member of the Tang Soo Do Martial Way Association, founded by Grand Master Andy Ah Po of Sacramento.
He was awarded the rank of 4th Degree Master on May 29th, 2010 by Grand Master Bill Clingan of Yuba City, CA and his 5th Degree Master ranking from Grand Master David Sgro of the US Goodwill Tang Soo Do Association on February 27, 2016
We are honored to have Master Mathias’ depth of knowledge of Tang Soo Do and his commitment to our students and to Yuba Sutter Tang Soo Do Academy.