Additional Information: Derived from Kuniba Ryu Goshin-Do and endorsed by Clement Reidner of SKKI, Kyoshi Earle Marvin started Sogo Goshin-Do in 1991 with the blessing of Soke Shogo Kuniba. Kyoshi passed away in 1995 and Rensei Todd Teal took over as head of the system.
Currently Shihan Will Marvin (one of kyoshi's two sons) is the head instructor at Hombu Dojo located in Walterboro, SC.