Mask 🦍 Training Mask 🦍 Training I see good things in 2021 Previous Post Posted by Caleb T on January 3, 2021 in Events Share this article: 0 About Caleb T Related Articles 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 Dec. 1st 2018 BJJ Seminar