Mr. Zuckerberg has sought out martial arts experts, including Dave Camarillo, James Terry and Khai Wu. In May, he competed in his first public martial arts tournament in Redwood City, Calif., which he attended undercover — up until the moment he took off his hat and sunglasses to fight. to bring mixed martial arts fights to Horizon Worlds, its virtual reality app. Mr. White said Mr. Zuckerberg was truly dedicated to the sport. This month, he said he had trained in “judo, Kyokushin (full contact)” — two Japanese martial arts — and “no rules streetfighting.”

---

Persons: Zuckerberg, Dave Camarillo, James Terry, Khai Wu, Meta, White, I’ve, ”, Mr Organizations: Meta Locations: Redwood City, Calif