About Ricardo Liborio
Antonio Ricardo Jardim Libório is a Brazilian jiu jitsu black belt under Grand Master Carlson Gracie. He is the co-founder of American Top Team (ATT) and Brazilian Top Team (BTT), the founder and CEO of Martial Arts Nation and the International Brazilian Jiu-Jitsu Institute (IBJJI), and also a professor of BJJ at the University of Central Florida.
Biography source:
Wikipedia
