Yossi Sheriff (יוסי שריף) is the sysadmin, the writer of www.akban.org and the headmaster of the Akban martial arts Academy, with more then 100 veterans graduating from his academy and instructors teaching in various Dojo around Israel.
Yossi sheriff was born at the early 1960’s. As a child, he started training Ninjutsu under Doron Navon, the first non Japanese Bujinkan shihan. Yossi Sheriff passed his Bujinkan Godan (5th degree black belt) under Hatsumi Masaki at 1991.
At 1985, Yossi Sheriff, after an active wartime service, got the honor achievement award from the Israeli president for his efforts in reorganizing and rebuilding the logistics network for evacuation in the Israeli medical corps. Yossi is an experienced combat paramedic.
At 1986 Yossi Sheriff started teaching martial arts as a vehicle for humane improvement. Travelling to Japan and living there and in Macau deepened a lifetime interest in other martial arts.
Yossi is a certified physical therapist, B.P.T, and has also participated at the first Feldenkraiz instructor course in Israel.
While continually teaching, he Co-built an online martial arts database, the Akban wiki, that uses the semantic wikimedia platform as a CMS of techniques. Among his other works are the Akban fitness program and most of the written material of this site. Yossi published his first poetry book in 2005.