Investing in infrastructure isn't enough, you have to have good people power. Thus, last Saturday October 9, director of refereeing at the IBJJF Alvaro Mansur…
Diretor de arbitragem da International Brazilian Jiu-Jitsu Federation (IBJJF), o mestre Alvaro Mansur ministra um curso em San Diego, Califórnia, no dia 9 de outubro.…