Marcus started training jiujitsu in 2021 and in 2022 he was invited to pro training sessions lead by 3 time black belt world champion, Gianni Grippo. For the next three years he trained full time under Grippo, accompanying him to different gyms where they were each other's primary training partners. He was given his purple belt in 2024 by Grippo. He has competed in multiple tournaments and superfights, winning most of them by submission. He takes the ecological approach to teaching, focusing on live games instead of drilling.