Grandmster Robert Dunn is the founder of the JTF the following is his History.
- Grandmaster Robert Dunn started his martial arts training in (2) Japanese styles of karate called Go-Ju and Shorei.
- 1969, Grandmaster Robert Dunn was exposed to a new and exciting Korean martial art called Taekwon-Do.
- 1970, Grandmaster Robert Dunn opened his first Taekwon-Do school.
- 1987, Grandmaster Eung Choon Ahn, the President of the Hae-San Martial Arts Association certified Grandmaster Robert Dunn as an International Judge.
- 1988, Grandmaster Robert Dunn was inducted into the International Karate Hall of Fame by Dan Soward president of the International Karate Hall of Fame in Las Vegas, NV
- 1989, Grandmaster Robert Dunn was contracted to teach the Art of Taekwon-Do to Peruvian troops in Lima, Peru.
- 2009, on February 21st Grandmaster Robert Dunn was promoted to Grandmaster 9th. Dan Black Belt by Grandmaster Eung Choon Ahn in Macon, Georgia
- 2009, on April 11th, Grandmaster Robert Dunn founded the JTF with the following co-founders: GM Louis Radicioni, GM Harry Payne, Master Terry Jump, Master Wesley Lee, Mr Robert Minter and other black belts.
- 2013, Grandmaster Robert Dunn was inducted into the Black Belt Karate Hall of Fame by Jeff Helaney the president of the Black Belt Hall of Fame in Omaha, Nebraska
- 2013, Grandmaster Robert Dunn establishes a European International Headquarters in Crawley, England under the direction of Master Keith Finch, International Vice-President of the JTF.
- 2013, Grandmaster Robert Dunn establishes a Caribbean International Headquarters in Cabo Rojo, Puerto Rico under the direction of Master Alfredo Hernandez, International Vice-President of the JTF.
- 2013, Grandmaster Robert Dunn establishes JTF International schools around the world
- 2014, Grandmaster Robert Dunn is Recognized by the Black Belt Hall of Fame and Awarded the Pioneer & Legends Award from Grandmaster Jeff Helaney.
- 2016, Grandmaster Robert Dunn is Recognized by the Black Belt Hall of Fame and Awarded the Founder's Award from Grandmaster Jeff Helaney
- 2017, Grandmaster Robert Dunn is Inducted into the Official Taekwon-Do Hall of Fame and Recognized as a Pioneer of Taekwon-Do in the New York City Ceremony.
- 2018, Grandmaster Robert Dunn is Appointed as Secretary General of the World Taekwon-Do Alliance (WTA) by Grandmaster Kong Young Il at the International Headquarters in Manila, Philippines.
- 2018, Grandmaster Robert Dunn was inducted into the 2018 Who's Who in Martial Arts in a Ceremony in Washington, DC.
Grandmaster Robert Dunn has held steadfast to the traditional teachings of Taekwon-Do and its original Chang-Hon patterns, in order to preserve the Art of Taekwon-Do in its traditional form for coming generations.