1989' 1991' Two Times World Champion
2004 Athens, Greece Olympic USA Team Coach (US Team 1Gold, 1Silver)
2011-2015 National Collegiate Taekwondo Association Coaching Chair
2005 Stanford University Taekwondo Team Coach
2001-2004 Resident Coach, US Olympic Training Center, Colorado Springs
1996' 1998' 2000' KOREA National Team Coach