Gracie Jiu-Jitsu Academy - FRAUDULENT BLACK BELT ALERT!!! It has come to our attention that a Gracie University member, Mark McMahon, is misleading people to believe he is a 2nd degree jiu-jitsu
![BJJ black belt with 3 white stripes vector flat illustration. Brazilian jiu-jitsu belt design. Isolated Stock Vector | Adobe Stock BJJ black belt with 3 white stripes vector flat illustration. Brazilian jiu-jitsu belt design. Isolated Stock Vector | Adobe Stock](https://as1.ftcdn.net/v2/jpg/05/00/48/90/1000_F_500489056_OxguMHearO86niSaXCfZxWGS0HocKDWL.jpg)
BJJ black belt with 3 white stripes vector flat illustration. Brazilian jiu-jitsu belt design. Isolated Stock Vector | Adobe Stock
![Lex Fridman on X: "I got my jiu jitsu black belt yesterday. I've learned more about life from martial arts than from any other endeavor I've undertaken. The biggest lesson is that Lex Fridman on X: "I got my jiu jitsu black belt yesterday. I've learned more about life from martial arts than from any other endeavor I've undertaken. The biggest lesson is that](https://pbs.twimg.com/media/DrviYHmW4AE4CL1.jpg)