As a teen, he began studying Yamanni ryu (or Yamanni-Chinen ryu) alongside Kiyoshi Nishime, with Chogi Kishaba, the direct student of Masami Chinen,[3] who was the only instructor of the style remaining in Okinawa.
[2] After retiring as a detective in the Okinawan Police Department in 1978, he moved to the USA.
In the summer of 2019, Oshiro Sensei moved back to live in Okinawa[4] In 1985 he and Kishaba Sensei founded the RBKD (Ryukyu Bujutsu Kenkyu Doyukai), an organization dedicated to the research and development of Okinawan Martial Arts.
He currently teaches in his San Mateo dojo, and holds seminars nationally and internationally.
You can help Wikipedia by expanding it.This biographical article relating to American martial arts is a stub.