Chang Moo Kwan: The Source

Master Gene Hahn, 5th Dan

Kyo Sa Gene Hahn is the head instructor at A.Y.O.P. America's Youth Outreach Program located in both San Bernardino and Rialto.  Kyo Sa Hahn has had more than  30 years experience with Chang Moo Kwan under the direct supervision of Grandmaster Chung.  Kyo Sa Hahn has a deep love for Chang Moo Kwan and it traditions.

Chang Moo Kwan Events

San Pedro In Photos

Chang Moo Kwan Events

San Pedro In Photos


December 19, 2013

Rialto/Highland Chang Moo Kwan

Tribute To

Master Gene Hahn

September 8th 2013

Chang Moo Kwan Competition Team Party

 Diamond Bar, California

Chang Moo Kwan

June 29, 2013

Supreme Grandmaster Nam Suk Lee’s

88th Birthday Celebration/Seminar

Korean Friendship Bell

San Pedro, California


March 3, 2013

Chang Moo Kwan

Promotion Test: Master Gene Hahn

Highland/Rialto Studios

February 2011

 Chang Moo Kwan

6th Degree Black Belt Ceremony

Korean Friendship Bell

 San Pedro, California
Gene Hahn
Historical Photos
45 Years In the Arts
1978 A young Kyo Sa Gene Hahn and Grandmaster Jon Wiedenman with Don Mc Cullough.  Note the rabbit ears above Grandmaster Wiedenamn's head.
1978 Kyo Sa Gene Hahn launched a jump inside-outside crescent kick at Don Mc McCullough easily exceeding head level.
1982 Pomona, California:  Kyo Sa Gene hahn battles it out on the way to one of his many victories.  Here an perfectly executed round house kick reaches its target and scores.  Kyo Sa Gene Hahn was a member of Chung's Tae Kwon do fighting team located of of Pomona, California.
1980 Kyo Sa Gene Hahn executes a head level front snap kick
1980 Kyo Sa Gene Hahn strikes the heavy bag with a perfectly executed round house kick.
2008 Kyo Sa Gene Hahn with one of his top Chang Moo Kwan Black Belt Students Horace Boatwright. 

Master Gene Hahn poses with some of his top students: From left to right- Autumn S., Cody C., Master Gene Hahn, Juan Castellanos, Chris L.