Kyoshi is a Japanese Shogo title or rank meaning "Master Teacher" or "Master Instructor." It is the second formal teaching rank in a sequence of three, in this order, Renshi, Kyoshi, and Hanshi. This title is awarded to an instructor who has achieved the rank of 7th or 8th degree black belt (nanadan or hachidan) who has distinguished himself as an expert teacher or expert instructor.
Kyoshi at this time also met his wife Sherry and were married by the time Kyoshi was 20.
Kyoshi Marvin on September 1, 1986 obtained the rank of Sandan in Kobudo and Jujitsu and a Yondan in Kempo through AKKI.
Kyoshi Marvin through the Shiho-Karano Kai International on August 14, 1992 was promoted to Shodai of Sogo Goshin-Do and Nanadan by Clement Reidner, Soke.