Aiki-Jitsu of Tahlequah is a charter school of Self-Defense Systems International (SDS). Self-Defense Systems International is headed by Professor Gary Dill, Soke, Shodai. The Aiki-Jitsu Division of SDS is headed by Soke-dai Carl Farinelli, 9th Dan. All ranking earned from Aiki-Jitsu of Tahlequah is issued by Self-Defense Systems. As a member of the World Head of Family Sokeship Council the rank issued by SDS is recognized by over 200 grandmasters from around the world.
