Senior Instructors
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![]() Dr. Lee has a lifetime of studying Medicinal and Martial Arts in both China and Korea. With the advantage of his Medicinal and Martial Arts background, Dr. Lee truly understands body mechanics, both internally and externally. On Saturdays he leads the Tai Chi class at KMAC's headquarters and throughout the week you can find him preparing the elite athletes for competition. |
![]() Larry Dorsey, 9th dan black belt, teaches Hapkido at KMAC’s headquarters in San Francisco. In the late 1970s he began training in Hapkido under Master M.W. Jung, and later, under Grandmaster Han-Jae Ji. He is a Master in Hapkido and formerly played professional football for the NFL's New England Patriots. He is currently a law enforcement officer in San Francisco. |
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![]() Ramon Tirona is the chief instructor of KMAC's school in San Leandro, California, and one of KMAC's head coaches for Olympic Style Taekwondo. He has practiced Taekwondo for more than twenty years, and formerly ran his own martial arts school in Alameda, California. He is a Master in Taekwondo, and a former technical advisor for the California State Taekwondo Association. |
![]() Henry Cruz is the chief instructor of KMAC's school in Union City, California. He has practiced martial arts for more than 10 years and is a certified black belt instructor in Taekwondo. A gifted teacher, his students have a strong record of successes in state and national Taekwondo competitions. Mr. Cruz is also the recipient of the "2002 Coach of the Year" award. |
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![]() Gary Tong is the chief instructor of KMAC's youth program at the Stonestown YMCA in San Francisco. He has practiced martial arts for more than 20 years under Master M.W. Jung. He is a certified black belt instructor in Taekwondo. Currently he teaches mathematics at Galileo High School in San Francisco. |
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![]() Bernadette Reyes teaches adult Taekwondo at KMAC's headquarters in San Francisco. She began Taekwondo training in the mid 1990s, along with her three children. She is a certified black belt instructor in Taekwondo, and has also trained extensively in Hapkido. She is the single-mother of three children, who are accomplished national-level competitors, most notably her son, Brandon Mauricio, who won the 2000 National Junior Olympic Taekwondo Championship. |
![]() Sonny-Ryan Jung is the former chief instructor of KMAC's program at Jefferson Elementary school, and also teaches at KMAC's headquarters in San Francisco. He has practiced martial arts for more than 15 years, studying Taekwondo Judo, and Hapkido. Mr. Jung is a certified black belt instructor in Taekwondo, and an accomplished competitor and medalist in Olympic Style Taekwondo at the state and national level. |
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![]() Marlene Jung-Mar teaches Tai Chi at KMAC's headquarters. She has practiced martial arts for more than thirty years, training in Hapkido, Tai Chi, and Taekwondo, and is one of the few women in the bay area to begin Hapkido training during its initial introduction in the 1960s. A caring and generous teacher, she has been instrumental in supporting KMAC's growth for more than three decades, all while raising a family. |
![]() Master Simeon Dondero is the Chief instructor at the KMAC All-Stars in San Mateo. He has trained in Taekwondo and Hapkido for over 10 years. He is currently a 4rd Dan. |
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Instructor Glenn M. Goffin SBN Goffin became chief instructor at Embarcadero Hapkido Club in 2006, where he had trained under Master Robert Yee since 1997. His martial arts experience includes cross-training in Aikido, Krabi Krabong, and Kung Fu, and early experience in Fencing (foil) and Shotokan Karate. He currently trains in Hapkido and various weapons arts under Master Richard Goldstein. SBN Goffin holds the third dan in the arts of Korea Sin Moo Hapkido and Taekwondo. |
![]() Jo-An Aguirre is a registered nurse and teaches Kardio Kickbox classes at KMAC's headquarters in San Francisco. She holds a black belt in Taekwondo and has also trained in Hapkido and Tai Chi. Her son, Cody, won the National Junior Olympic Taekwondo Championship in 2000. Ms. Aguirre frequently donates her time to serve on the medical staff at Taekwondo competitions. |
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![]() Mike Robertson has practiced martial arts for more than thirty years, training in Judo, Jujutsu, Taekwondo, and Hapkido. He holds black belts in several martial arts and received his Judo certification from the U.S. Judo Association. |
![]() William Ong teaches Tai Chi at KMAC's headquarters in San Francisco. He has practiced martial arts for more than thirty years, training in Hapkido, Tai Chi, Taekwondo, Karate, and Arnis. Mr. Ong was instrumental in helping to establish KMAC's martial arts program during the 1970s. He is a Master in Hapkido, holds a black belt in Taekwondo, and is a business tax professional for Matson. |
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![]() Samir Golubovic holds a black belt in Judo and has been practicing Judo for over four years. Mr. Golubovic is a frequent and accomplished competitor at local tournaments as well as a qualified regional Judo referee. He teaches the children's Judo program at KMAC where he has an exceptional rapport with the youngest members of the KMAC community. He is also a guest instructor for the adult program and continues to train at City College of San Francisco (CCSF). |
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