Master Joon is a 7th degree black belt and has over 35 years of experience in Taekwondo. He was the head instructor for the Gaithersburg school from 1994 to 2014.  He is now teaching classes at Olney location.  Not only has he become an excellent martial artist in his own right and great teacher like his father, he also spends his time influencing youth as a positive role model by teaching Physical Education for the Montgomery County Public Schools since 1996.  He received B.S. in physical education  from University of Maryland College Park and M.S. in curriculum and instructions from McDaniel College. He has also taught Taekwondo at Jefferson Montessori School In Gaithersburg from 1999 to 2009, Fellowship Korean School in Germantown, MD from 2002 to 2010 and at many other private schools, after-school programs, Korean schools and Summer Camps in the area.