Azad's Martial Arts - Master Farshad Azad

Sinmoo Martial Arts - Master Frank Croaro

World Class Martial Arts Center - Master Larry Dorsey

American Hapkido Studios - Master Stuart Rosenberg

John Beluschak's American Judo-Hapkido Institute - GM John Beluschak

Washington Sinmoo Hapkido - Master Sean Bradley

Millenium Martial Arts - Master Chad Zwieg

Mayan Sinmoo Hapkido - Master Jorge Braga Cabrera

Korean Martial Arts Center - Grandmaster Merril Jung

Glenn Uesugi - Honolulu, HI

Ken MacKenzie - Atco, NJ

Jurg Ziegler - Switzerland

John Godwin - Newport, DE

Rony Dassan - Belgium

Scott Yates - Atco, NJ

Robert Ott - Seattle, WA

Ian Cyrus - Philadelphia, PA

Umberto Pajarola - Switzerland

Perry Zmugg - Austria

Remi Mollet - France

Nelson Leonardo Bedoya - Columbia

Luiz Henrique de Santo - Brazil

Benedito Menegotto Guimaraes - Brazil

Antonio Donizzetti Moraes - Brazil

Adilson Sergio Piasarolli - Brazil

Yong Sung Lee - Clinton, MD

In wan Kim - Brandon, FL