![picture of John Danaher](https://d2j8xu67u0urrf.cloudfront.net/5ac55ef35e4c8.png)
Based out of the Renzo Gracie academy in Manhattan, John Danaher is a highly-respected jiu-jitsu coach who has worked with many top grapplers including Gordon Ryan and Garry Tonon and trained MMA stars such as Georges St-Pierre and Chris Weidman.
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Helena Crevar Defends Title in Debut Under New Wave
Jan 17, 2023
Rising star Helena Crevar defeated an Adult two-time Purple Belt World Champion at Combat Sports Coverage - so what did John Danaher have to say?