Rener Gracie is a Brazilian jiu-jitsu black belt instructor, coach, and inventor.
One of the most recognisable figures in modern Brazilian jiu-jitsu, Gracie is a well-known and popular coach who has helped develop some top UFC competitors, such as Ronda Rousey, Brian Ortega, Brendan Schaub, Javier Vazquez and Lyoto Machida as well as WWE wrestler CM Punk and pro boxer Ryan Garcia. From Wikipedia
