Next Post Boxing Mitts Clinic Wed. April 24th 7:00pm-8:00pm Posted by Caleb T on June 7, 2018 in Events Share this article: 0 About Caleb T Related Articles Gorilla Combat Exhibition III PROFESSOR DEREK BARLOW I received my Black Belt in August 2017 after 9 years of training under Professor Robert Drysdale /Professor Marcelo Nunes. Professor Derek Barlow is Owner and Operator of Bellum Brazilian Jiu-Jitsu 905 Selby Avenue St. Paul, Mn. 55104 Temporarily Closed