First daughter Ivanka Trump is a blue belt in jiu-jitsu, a self-defense martial art, and a student at Valente Brothers. Fellow jiu-jitsu student (and one-time "Billionaire Bunker" neighbor) Gisele ...

Brazilian jujitsu, a self-defense form popularized by its use in mixed martial arts, is seeing new conflicts with less oversight than some other combat sports. By John Wiegand When Erik Milosevich ...

While Elon Musk’s and Mark Zuckerberg’s social media sparring about a potential UFC cage match (depending on Musk’s back, that is) has made many Google “jujitsu,” the groundings of the self-defense ...

Mark Zuckerberg is a formally trained white-belt jiu-jitsu professional. From fitness routines to unconventional ice-dunked mornings, billionaires are known to follow fancy wellness trends. While ...