Senior Instructors


KMAC – Headquarters

(San Francisco)

 

Grandmaster Goldstein, 9th dan Black belt, began his Martial Arts Training as a child in Los Angeles and continued studying after moving to the Bay Area in the 1970’s. He has studied various Korean, Japanese and Chinese Martial Arts Systems. He holds ranks in the arts of Hapkido, Taekwondo, Aikido and Wing Chun. He has studied extensively in various Weapon Systems and Tai Chi as well. He is continuing to study in both areas of Combative and Energy based arts.
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.
Michael Mar is the Chief instructor at KMAC Jefferson Elementary School in San Francisco.  He has trained in Taekwondo for over 25 years under Grand Master M.W. Jung.  He is a certified 5th Dan Black belt instructor in Taekwondo.  Currently he is pursuing his Masters in Counseling and PPS credentials at San Francisco State University.
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.

KMAC Affiliate Branches

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 success in state and national Taekwondo competitions. Mr. Cruz is also the recipient of the “2002 Coach of the Year” award.
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.
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.