Send us a text Expect to get the grapplers perspective on Espen's different training methods, training in Norway, his training breakdown, approach to competition, competition mentality, to Gi or not to Gi, strong opinions on steroids and much more. Espen Mathiesen is a Norwegian BJJ athlete and black belt under José Carlos. Espen became one of the top grappling competitors in Europe while going through the ranks of BJJ in the IBJJF circuit, where Espen conquered medals in important tou...