Ronald Blaine Crook

Black Belt

Instructor and ranked competitor representing Phantom Brazilian Jiu-Jitsu.

Associations

Major Titles

Verified achievements recognized on the rankings.

No major titles recorded yet for this athlete.

Detailed Description

Ronald Blaine Crook is the head instructor at Phantom Brazilian Jiu-Jitsu, a Brazilian Jiu-Jitsu academy in Maple Valley, WA, USA. 8 competitors in the JiuJitsuGyms database list the academy as their team, and between them they hold 8 championship titles (1 IBJJF World, 7 IBJJF Open). This profile was built from the IBJJF academy directory, where Ronald Blaine Crook is registered as the academy's responsible instructor. Instructors can claim this profile to add a full bio and photo.