• Korean Heavy-Weight Kickboxing Champion
• ROK Army Instructor in hand-to-hand combat, Green Berets in Seoul,
   Korea (1967-1969)
• Head Taekwondo Instructor, US Marine Corps, Ocean Side CA (1975-1979)
• Founder, owner and instructor of Lowell, MA Taekwondo School (opened 1979)
• Former Massachusetts State Taekwondo Association President
• Founder, New England Taekwondo Association