Jozef Chen is a Taiwanese-German grappler and jiu-jitsu competitor who often represents the B-Team in the sport's international circuit. Chen had a meteoric rise in the Abu Dhabi Combat Club (ADCC) platform where he earned a medal in the promotion's Asia & Oceania Qualifier (2022) with only 4 years of training, a good form he maintained and improved upon after that first breakthrough, cementing his name as one of the biggest talents of his generation in no-gi jiu-jitsu/submission-grappling.