Master Thomas Mar instructs Taekwondo, Hapkido and oversees the Tiny Tigers program at KMAC's headquarters in San Francisco. He has trained in Taekwondo for over 20 years under Grandmaster M.W. Jung.  As a youth Master Mar competed nationally in Taekwondo, he is now one of KMAC's National Coaches and a head instructor, along with Master David Mangonon for the Junior Competition Class. He is a certified 5th Degree Black belt instructor in Taekwondo, he also holds black belt ranks in other martial arts styles including Sin Moo Hapkido and Judo.

Master David Mangonon began his Martial Arts training at the age of 7.  The Mangonon family which includes his father Rufo and brother Mark Mangonon have trained under Grand Master M.W Jung since the early 80’s.  David holds ranks in Taekwondo and in Hapkido, and also has trained with Master Tim Ghormley and Grandmaster Han Jae-Ji.   Once a national competitor, he is now one of KMAC’s National Coaches and is currently a head instructor / coach of the Junior Taekwondo Competition Class along with Master Thomas Mar. He is a certified 4th degree black belt instructor in Taekwondo.

Assistant Instructor Mark Formalejo Jr., KMAC National team member and competitor, has been training at KMAC HQ since 2006 under Grandmaster M.W. Jung. Mark has competively represented KMAC in National and International competitions throughout the country. He currently assists teaching the Junior Competition and Tiny Tigers program. Mark is a certified 2nd degree black belt in Taekwondo. He is also a member of the 2011 AAU US National Team.

Assistant Instructor Loren Louie, KMAC National team member and competitor, began training at KMAC in 2009 under Grandmaster M.W. Jung. She currently assists in teaching the Junior Competition and Tiny Tiger program at KMAC HQ. Loren is a 2010 USA Taekwondo National gold medalist, she is a certified 2nd degree black belt in Taekwondo.

Assistant Instructor Atef Karaja helps instruct the Tiny Tigers program and Hapkido at KMAC's headquarters in San Francisco. He has been training under Grandmaster M.W. Jung since 2008. Atef is a certafied 1st degree black belt in Taekwondo and Sin Moo Hapkido.

Junior Assistant Instructor Sanel Velic, KMAC National team member and competitor, began his taekwondo training since 2004, under Grandmaster M.W. Jung. He currently assists teaching the Tiny Tigers program at KMAC HQ. Sanel is a certified 2nd degree black belt in Taekwondo and also holds a belt rank in Judo.