Contact Us

Kosho Ryu International Martial Arts Organization

International Headquarters Ontario, Canada

Hanshi Richard Buchan - Founder & Chief Instructor / Kosho Ryu International- hanshibuchan@koshoryu.com

Shihan Robert Obertreis- Head Instructor / Kosho Ryu International Schools- shihanobertreis@koshoryu.com

Renshi John Haight - Director / Kosho Ryu International Schools - renshihaight@koshoryu.com

Sensei Jimmy Rego - Kosho Ryu International Event Coordinator & Seminar Director- senseirego@koshoryu.com