Billionaire and Meta CEO Mark Zuckerberg isn’t just battling internet trolls these days.

The tech mogul took to Instagram to reveal that he had competed in his first jiu-jitsu tournament, taking home both gold and silver medals.

Related: ‘This Nerd Is A Silent Killer’: Mark Zuckerberg Rented Out An Entire MMA Arena To Watch A Fight Privately

“Entered my first jiu jitsu tournament and won some medals for the Guerrilla Jiu Jitsu team,” he wrote alongside a series of photos and videos from the tournament, thanking his training team for helping him reach his goal.

The tournament took place in the Bay Area at Woodside High School in Woodside, California on Saturday, May 6.

One of Mark Zuckerberg’s BJJ matches pic.twitter.com/CnNdlhXtJl

— Bloody Elbow (@BloodyElbow) May 8, 2023

Zuckerberg first revealed his interest in mixed martial arts on “The Joe Rogan Experience” last August, he told Rogan he picked it up during the pandemic as a way to realign his focus and show up physically.

Related: Mark Zuckerberg starts MMA training amid his $70 billion dollar loss

“MMA is the perfect thing,” the billionaire said on the podcast. “After an hour or two of training, or rolling, or wrestling with friends, or training with different people, it’s like I’m now ready to solve any work problem of the day.”

A month later, one of his trainers told me The information that he had worked one-on-one with Zuck to help develop his skills and hone his role as a fighter.

“You would never expect these guys to be able to take you down. Before you know it, they’re attacking you with these extremely technical moves,” said Khai Wu, Zuckerberg’s trainer at the Guerrilla Jiu-Jitsu Academy in San Jose, at the time. “You don’t know this nerd is a silent killer.”

In October 2022, Zuckerberg took his love of the sport a step further by privately renting out the UFC APEX arena in Las Vegas to watch the match between female fighters Yan Xiaonan and Mackenzie Dern.

Zuckerberg’s net worth was one estimated $85.3 billion as of Monday afternoon.