Sensei Chris Simpson is chief referee, he has had years of experience in competing at International tournaments and now referees,  most notably Sensei Chris has refereed at Shukokai World and European events and is now a qualified English Karate Federation judge. 

Sensei Steve has had experience of local, National and International refereeing within Shukokai tournaments he is now a qualified English Karate Federation judge. 

Sensei Katie has refereeing experience of Local and National competitions and now sets her sites on  qualifying as an EKF Judge.