 Yagi lived in the US from 1964 to 1970; in Guam 1971 to 1975; in Saipan 1995 to 1997 and in the Philippines 1997 to 1998.After returning from Guam in 1975, Yagi was given the title of Renshi 6th Dan and became a Director of All Okinawan Karate-Do Association in 1976.Also in 1976, he was given the teaching responsibilities at the Hombu Dojo in Okinawa as President of Goju-Ryu Meibu-kai with Meitetsu Yagi (his younger brother) as Vice-President and Meitoku Yagi as Chairman / Consultant.