The Yudansha-Kai is comprised of certified blackbelt members of the Columbus Dojo and the IOGKA. Each Yudansha-Kai member is a Goshukan-Ryu Karate student of Garry Parker, whether they are members of the IOGKA member dojos, or personal students of Parker at the Okinawa Goshukan-Ryu USA Honbu Dojo. The Yudansha-Kai members receive additional training in the form of quarterly workshops, seminars, and clinics held at the USA Honbu Dojo, and seminars/workshops hosted by authorized IOGKA member Dojo.
ACTIVE GOSHUKAN-RYU USA HONBU DOJO CERTIFIED BLACK BELTS
Izumi Shimabukuro-Parker: 5-Dan Goshukan-Ryu. (2004, 2020)
Kenji Parker: 3-Dan Goshukan-Ryu (2017, 2021)
Robbie Sawyer: ShoDan Goshukan-Ryu (2017)
Jeffrey Teagle: 2-Dan Goshukan-Ryu (2015, 2018)
Maddie Coster: 2-Dan Goshukan-Ryu (2019, 2021)
Karl Braun: ShoDan Goshukan-Ryu (2020)
Dee Braun: ShoDan Goshukan-Ryu (2020)
IOGKA USA HONBU CERTIFIED BLACK BELTS
Jeffrey Teagle: 2-Dan Goshukan-Ryu. 4-Dan Goju-Ryu (2018)
Gloria Rapier: ShoDan Goshukan-Ryu. (2015) 3-dan Shito-Ryu Karate (2021)
Nichole Coster: 2-Dan Goshukan-Ryu. (2021) 2-Dan Shorinkan, ShoDan Shotokan Karate (2012)
NOTE: Former members of the IOGKA that resigned or have been permanently inactive after they were promoted by the IOGKA in Goshukan-Ryu Karate or Kobudo are no longer recognized as Yudansha in the IOGKA.
Goshukan-Ryu and IOGKA certificates and licenses are invalid without current active membership.