Grandmaster Gonzalez started training with Master Heintz in the mid 1980s. He earned his 8th Dan in December 2016. He is one of the primary instructors at the TRMA Hub and former President and Vice President of the TRMA Board of Directors. Grandmaster Gonzalez is the director of the annual Pil Sung tournament.

Grandmaster Deaton began training with Master Heintz in 1986. Grandmaster Deaton earned his 8th Dan in December 2016. He is currently one of the primary instructors at the TRMA Hub. He is a former President and Vice-President of the TRMA Board of Directors.

Master Williams began training with Master Heintz in 1987 and earned her 7th Dan in December 2016. She is one of the primary instructors at the TRMA Hub, and is a former President and former Secretary of the TRMA Board.

Master Siever began training with Master Heintz in the spring of 1993. He earned his 6th Dan in December of 2016. Master Siever is one of the primary instructors at the TRMA Hub as well a former President and a former Secretary of the TRMA Board.

Mr. Kinseth began training with Master Heintz in 1983 and has taught taekwondo at various branches and at the Hub. He has over 45 years experience in a variety of martial arts, with particular emphasis upon taekwondo, kumdo and jodo. He is the instructor for the Martial Spirit class that integrates a broad variety of martial arts.

Ms. Douglass began training in 2005 with Iowa Methodist Tae Kwon Do. Ms. Douglass earned her 4th Dan in June 2022 through TRMA. She is one of the primary instructors at the TRMA Hub, and is a former Vice-President of the TRMA Board.

Mr. Nelson started with Two Rivers Tae Kwon Do in August of 2010. He is currently a 4th Dan Black Belt, and teaches at the TRMA Hub branch.

Mr. Hornback began training at Two Rivers Martial Arts in 2009 and is one of the primary instructors for the school's Black Belt Youth Group. Mr. Hornback is also the instructor of the school's Kobudo, Okinawan Weapons class and holds Black Belts in TaeKwonDo and Kobudo, Okinawan Weapons. Mr. Hornback is a past member of the TRMA Board of Directors.

Ms. Hornback began training at Two Rivers Martial Arts in 2009. She is currently one of the primary instructors at the school's Carlisle location. Ms. Hornback is also an instructor for the school's Black Belt Youth Group and holds Black Belts in TaeKwonDo and Kobudo, Okinawan Weapons. She is a former Secretary and former Vice-President of the TRMA Board of Directors.

Mr. McDonald is a current member of the TRMA Board of Directors.

Master Bailey began training with Two Rivers in 2008 and earned her 5th Dan in April 2022. She is one of the primary instructors for the Clive/West Des Moines Branch and President of the Board of Directors. She is a former Vice-President, and former Secretary of the TRMA Board.

Mr. Bailey began training with Two Rivers in 2010 and earned his 4th Dan in June 2022. He is one of the primary instructors for the Clive/West Des Moines Branch and manages the information technology needs of TRMA. Mr. Bailey is also the current Treasurer of the Board of Directors.

Mr. Dooley started training in February of 2010 at the SE Polk branch of Two Rivers Martial Arts and earned his 2nd Dan in 2017. He is currently the Primary Instructor for Saturday classes at the Clive/West Des Moines Branch. He is a former Secretary and former President of the TRMA Board.

Mrs. Whitehead started training in August 2014 with Two Rivers Martial Arts. She has earned her 2nd Dan and is one of the instructors at the Clive/West Des Moines Branch. In addition to teaching in Clive/West Des Moines, Mrs. Whitehead teaches a white belt prep class at the Hub prior to the test. She is the current Secretary of the TRMA Board of Directors.

Mr. Whitehead is a member of the Board of Directors and a former Secretary of the TRMA Board.

Master Netsch earned his 6th Dan in December 2016. He teaches at the Indianola and Winterset Branches. He is a former President and former Vice President of the TRMA Board of Directors.

Master Anderson began training in December 2003 and earned his 5th Dan in June 2021. He is a former Secretary of the Board of Directors

Mr. Wilbur earned his 2nd Dan in February 2022.