The English Shotokan Karate Association better known as ESKA are a renowned Karate association with clubs in Herts, Beds, Cam ... bs and Essex. ESKA was founded in 1979 by Eddie Witcher, Michael Randall, John Van Weenen, Michael Nursey, Roger Hall, Harry Jones and Greg Durant. Sensei Nursey (9th Dan) chief instructor of ESKA teaches the senior class at the Stevenage Hombu, with ESKA’s other clubs run by Senior Dan Grades (up to 7th Dan). These senior instructors, in the most part, have trained all their Karate lives under Sensei Nursey. read more