WI
Willian Barbosa Siqueira
Black Belt
Instructor and ranked competitor representing Barbosa Jiu-Jitsu B9 and Siqueira Brothers Jiu-Jitsu.
Reported team or academy
Barbosa Jiu-Jitsu
This source affiliation may refer to a wider team. A specific gym location has not been confirmed by this label alone.
Associations
Performance Scorecard
Dynamic skill index based on verified matches and accomplishments.
913Overall Score
A+
Performance RankGi BJJ913
No-Gi / Submission Grappling0
Major Titles
Verified achievements recognized on the rankings.
No major titles recorded yet for this athlete.
Detailed Description
Willian Barbosa Siqueira is the head instructor at Siqueira Brothers Jiu-Jitsu, a Brazilian Jiu-Jitsu academy in Porto Alegre, Brazil. This profile was built from the IBJJF academy directory, where Willian Barbosa Siqueira is registered as the academy's responsible instructor. Instructors can claim this profile to add a full bio and photo.