Master Eric Ahn, a certified master (6th Dan, black belt) of the Korea Haedong Gumdo Association and the World Haedong Gumdo Federation, has taught Gumdo for more than 10 years in Korea.

He also has taught Kichunmoon, a Korean traditional total martial art, over 10 years in Korea as he has been a certified master of Kichunmoon over 15 years.

He opened his first Canadian Haedong Gumdo School, Gumdo Canada, in Montreal in September 2005.

Beside Gumdo exercise, you learn various things during Gumdo class due to master Ahn's wide range of martial art experience in Kichunmoon, Kung-Fu, Taekwondo, Judo, Yoga and meditation.