The following article is from Budoshin Jujitsu founder George Kriby. In it, he provides a biography of his jujitsu instructor Jack Seki. This article originally appeared on the Budoshin Jujitsu website. All images provided by George Kirby. Sanzo Jack Seki. Professor Sanzo Jack M. Seki, whose legal name was changed to Jack M. Haywood in … Continue reading Sanzo Jack Seki Biography by George Kirby