Master Gihm started Haidong Gumdo training in South Korea in 1986 at age of 9. He trained under Grandmaster Jong Gu Lee, current vice president of World Haidong Gumdo Federation. Master Gihm served as instructor in the World HDGD Federation headquarter in Korea and in Vancouver Dojang. He founded Queen's University Haidong Gumdo Club in 1997 and Toronto Haidong Gumdo Dojang in 2003. Master Gihm is currently serving as the technical director for Canadian Haidong Gumdo Association.

Master Gihm is teaching at Toronto Dojang.

Master Arthur Lee started training Haidong Gumdo in 1997. He currently holds 3rd Dan in Haidong Gumdo and 2nd Dan in Taekwondo. Master Lee is in charge of North York Dojang.

Mr. Martin Hung
2nd Dan
Toronto

Ms. Sue Soamboonsrup
2nd Dan
Toronto

Mr. Yong Bok Choi
2nd Dan
North York

Mr. Barry Lai
2nd Dan
North York

Mr. Eric Ongtioco
1st Dan
Toronto

Mr. Justin Park
1st Dan
Toronto

Mrs. In Young Paik
1st Dan
Toronto

Mr. Nabeel Dar
1st Dan
Toronto

Tristan Bae
1st Dan
Toronto

Dennis Kim
1st Dan
Toronto