John Clark
Person
Owner of Boston BJJ, described as a good friend of the host.
Mentioned in 2 videos
Videos Mentioning John Clark

John Danaher: The Path to Mastery in Jiu Jitsu, Grappling, Judo, and MMA | Lex Fridman Podcast #182
Lex Fridman
Owner of Boston BJJ, described as a good friend of the host.

David Goggins 48 Hour Challenge - 4 Miles Every 4 Hours | Lex Fridman
Lex Fridman
A person associated with the speaker's current Jiu-Jitsu gym.