Korean Academy of Taekwondo
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|Also known as||KAT|
|Date founded||February 1980|
|Country of origin||United States|
|Founder||Jae Kyu Chung|
|Current head||Bill Pottle|
The Korean Academy of Taekwondo is one of Colorado's Taekwondo and martial arts schools. The school was founded in February 1980 by Grandmaster Jae Kyu Chung. The school has produced numerous tournament champions  and has trained thousands of students throughout the years. They have also contributed several non-peer reviewed articles on the physics and mechanics of martial arts. The school has several locations in Colorado and has at times had locations in Texas and Baghdad, Iraq.
Grandmaster Chung's first school was in Aurora, Colorado, later moving to the Mississippi address. In the mid nineties, he transferred control over the Aurora school to his student, Master Ghassan Timani. Master Ghassan continued to exercise control over the Korean Academy and Master Chung sold all three of the schools, returning to Korea to pursue a career in politics. While in Korea, he served as the head of security for Kim Dae-Jung, the former president of South Korea. Master Ghassan is the highest student of Grandmaster Chung in the world. After moving and expanding several times, the Aurora location is now in a facility on E. Mississippi built especially for Taekwondo by Master Ghassan.
In 2004, the Korean Academy saw the addition of Master Bill Pottle, one of the Korean Academy’s highest ranking students. After getting his black belt from the Korean Academy, Master Bill trained at Cornell University and the University of Pennsylvania where he was pursuing academic and professional interests.
Master Ghassan has now passed the school on to Master Pottle, who has overseen its continued success and growth. Since then, the Korean Academy of Taekwondo has continued to expand. Master Emelio Tio moved to Texas where he opened an independent KAT Texas branch. Master Pottle has also opened a KAT South Branch in Colorado.
Recently, the school has moved towards a much more scientific basis of training. They were featured in an article by the Korean Embassy on the modernization of the art. In 2005 they held their 100th promotion test  and 
Numerous students and instructors have served on the Colorado State Taekwondo Association board. 
In November 2013, the school published the first ever martial arts instruction audiobook. 
The school was founded by Grandmaster Jae Kyu Chung, the first head instructor. Before coming to America, Grandmaster Chung was influential in Brazilian Taekwondo. In 1987, he coached the US Team to a near sweep in the Pan-AM Games  In his March, 1997 Farewell Address, outgoing United States Taekwondo Union President Hwa Chong thanked Grandmaster Chung for his role in helping to get Taekwondo to be a full medal sport in the Olympics.
Master Ghassan Timani has been a major player in Colorado Taekwondo since before he took over the school in 1995. He has served over a decade as an officer of the Colorado State Taekwondo Association, currently as Treasurer. He has been quoted in a number of print articles on martial arts  and  In 2000, he was selected as an official delegate to attend the Olympics for the USA. In 2004 Master Ghassan Timani transferred the school to Master Bill Pottle
Master Bill Pottle joined the school in 1992. In 1997, he left to attend Cornell University, where he is mentioned several times in their club history  He was also captain of the first ever Ivy/Northeast Collegiate Taekwondo League All Star Team. He also is the Taekwondo faculty member at Metro State University of Denver, which is one of the oldest for-credit martial arts programs in the United States. 
Other notable members
The school has had several other notable members, including Ron Roe, a 60-year-old legally blind man who recently graduated from college and received his black belt, and Danny Dietz, a Navy SEAL who was killed in an ambush in Afghanistan.
Komiljon Latipov is a former Tajikistan national team member and silver medalist in the Central Asian Games 
Joshua Kosloski is a black belt sparring competitor who won 2nd place in the 2011 Pan Am Open Taekwondo Championships  He also won the 2011 USA Taekwondo World Class Black Belt Sparring Competition (10-11 Finweight) without any of his opponents scoring a kick or punch against him. This distinction also earned him the Chanel 9 News Top Olympic Sports Moment for 2011. He also became the first athlete from the United States to ever win the world championships in the 12-14 year old division.
During 2013 Olympians Alisher Gulov and Farkhod Negmatov and national team members Khusrav Giyosov (Tajikistan) and Ahmed Alsubaihawi (Iraq) trained at the school to prepare for the 2013 World Taekwondo Championships 
The school has published several articles, although none have been in peer reviewed journals. One article is on the physics of board breaking  another one is on Distance, called “The Donut of Danger”. Students in the school have also written articles on using Game Theory in Taekwondo and the effect of Taekwondo training on Self Esteem.
Bill and Katie Pottle have published a book on martial arts pedagogy as well as The Way of the Dojo: Owning and Operating your own Martial Arts School.
They have also taken the rather unusual step of publishing the school handbook - The Korean Academy of Taekwondo Official School Handbook - and making it available to the public.
Korean Academy of Taekwondo - Aurora (Headquarters) 16850 E. Mississippi Ave Aurora, CO 80017
Korean Academy of Taekwondo - Littleton (also LaKai Taekwondo) 621 Southpark Dr Suite 1100 Littleton, CO 80120
- (Newspaper article, unknown date http://www.kattaekwondo.com/images/87.jpg
- Korean Academy of Taekwondo - Aurora, Colo
- cbs4denver.com - Video Library
- http://www.kattaekwondo.com/images/yourhub2.jpg (Rocky Mountain News, Yourhub Section December 22nd, 2005)
- https://www.wsj.com/articles/SB10001424052702304506904575180162241451770 Wall Street Journal - Kicking from The Hip
- "Audiobook Provides Helpful Instruction". Taekwondo Times. Woojin Jung. November 2013.
- Academia Olímpica
- Aurora Sentinel article, Monday, August 17th, 1987
- President's Farewell Report
- Martial-arts school hurt kids, pupils Denver Post, Feb. 29, 2000
- Go Go Magazine Volume 3, Issue 4 February 15–28, 2001
- Ivy-Northeast Collegiate Taekwondo League
- 1451 Graduate from Metro, Denver Rocky Mountain News Monday May 16th, 2005
- This Week @Metro | Metro State
- Rocky Mountain News Thursday July 7th, 2005.
- The World Taekwondo Federation
- [Denver Post, November 2011]
- Teaching Martial Arts: A Practical Guide, Published Aug 2009, Booklocker, ISBN 1-60145-935-1
- Korean Academy of Taekwondo Official School Handbook 2nd Edition, Published Jan 2007, Booklocker, ISBN 1-60145-118-0