On Saturday and Sunday, May 4th and 5th, 2019, Professor Gui Valente returned to Houston, Texas. Professor Gui taught youth and adult seminars at the VB Black Belt School, Cantu’s Self-Defense. VB Black Belt instructor Calvin Carter and his students also attended the seminars. Professor Gui congratulated instructor Roy Cantu, his staff and all students in attendance for another excellent weekend of jūjutsu (Jiu-Jitsu).