 During a special ceremony in May 1994, Grandmaster Dong was promoted to 6th degree in judo, by Sensei Ed Szrejter, then Executive Director of the U.S. Judo Association.Grandmaster Dong is the 47th judoka out of 20,000 USJA members to reach 6th dan.The Cuong Nhu Oriental Martial Arts discipline now has over 3,000 active members under the leadership of Grandmaster Quynh Ngo.