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 is a current member 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.

Mr Cummings started training with Two Rivers Martial Arts in 2004 and earned his 4th Dan in 2017. He is the primary instructor for the Sunday Brown and Blackbelt class. Mr Cummings is a current TRMA board member.

Ms. Douglass began training in 2005 with Iowa Methodist Tae Kwon Do. Ms. Douglass earned her 3rd Dan in April 2015 through TRMA. She is one of the primary instructors at the TRMA Hub, and is a former Vice-President of the TRMA Board.

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.

Mr. Nelson started with Two Rivers Tae Kwon Do in August of 2010. He is currently a 3rd Dan Black Belt, and teaches at the TRMA Hub branch.

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.

Ms. Bailey began training with Two Rivers in 2008 and earned her 4th Dan in April 2018. She is one of the primary instructors for the Clive/West Des Moines Branch and is Vice President of the Board of Directors. She is a former President, former Vice-President, and former Secretary of the TRMA Board.

Mr. Bailey began training with Two Rivers in 2010 and earned his 3rd Dan in April 2018. 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 and is a former Secretary on the Board of Directors and is currently the President.

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.

Master Netsch began his training with Two Rivers and earned his 6th Dan in December 2016. He teaches at the Indianola Branch and is a current member of the TRMA Board of Directors. He is also a former President and former Vice President of the TRMA Board of Directors.