Never said that at all, but:
Main Achievements (BJJ, Submission Wrestling):
- World Champion (2008 purple belt)
- World No Gi Champion (2007 purple belt)
- ADCC North American Trials Champion – West Coast (2009)
- UFC Fan Expo Superfight Champion (2010)
- ADCC Alternate Match Champion (2007)
- European Champion (2008 purple belt)
- Grapplers Quest Champion
- Chicago Open Champion (2009 black belt absolute)
- ADCC 3rd Place (2009)
- Brazilian National Championship 3rd Place (2008 purple)
- World Championship 3rd Place (2009 brown)
- NAGA Superfight Champion
- US Grappling Superfight Champion
Runs his own school, fights actively in the UFC...has several instructional videos that have been circulated all over...
So..yeah, id take halls word for it.