Shawn Williams is a Brazilian Jiu Jitsu black belt under Renzo Gracie, being one of the most talented competitors of his generation in the US. Williams was also the fifth American to be graded as a black belt in BJJ. Training alongside of grapplers such as John Danaher, Ricardo Almeida, Matt Serra and many others, Shawn Williams created a series of positions from a guard variation which is today called ‘the Williams Guard’.
Mario Reis is a top Brazilian Jiu Jitsu competitor in the featherweight division. This fighter from the South of Brazil has won numerous competitions such as the World Championship, the World Cup and many other important tourneys. Reis is also famed for his aggressive style either playing guard or passing and is seen as one of the most entertaining fighters of the division.