Guillaume Émilien Leclerc

Guillaume Émilien Leclerc is a Brazilian jiu-jitsu black belt from Quebec, Canada, under Robert Biernacki. After relocating to China, he became deeply involved in the development of the local grappling scene and has spent many years teaching, competing, and helping grow jiu-jitsu across the region.

Based in Nanjing for much of his coaching career, Leclerc has played an important role in the growth of Brazilian jiu-jitsu in mainland China, regularly teaching seminars and mentoring athletes who later went on to compete internationally. Known for his highly technical and concept-driven approach to the sport, he has developed a reputation as one of the most experienced instructors in the Chinese grappling community.

Alongside his coaching work, Leclerc has remained active as a competitor in international tournaments and professional grappling events. In 2026 he competed at the ADCC European Trials, finishing within the top ten of his division and continuing his pursuit of qualification for the ADCC World Championship.

Main Achievements:

  • ADCC Thailand Championship (2024) – Gold
  • ADCC Canada Open Vancouver (2023) – Gold
  • IBJJF Asian Open Master 1 (Black Belt) – Silver
  • ASJJF Asian Championship – Gold (4x)
  • AJP Tour – Gold (2x)
  • UAEJJF Championship – Gold (3x), Silver (1x), Bronze (1x)
  • King of Catch Asia (Shanghai) – Gold (2x)

    @njbjjguillaume