![picture of Mackenzie Dern](https://d2j8xu67u0urrf.cloudfront.net/56ec7a0d2f54c.jpeg)
Mackenzie Dern is a Brazilian-American black belt and one of the top active female grapplers, gi or no-gi. She is a multiple time world champion in IBJJF, as well as a World Pro and ADCC champion.
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Mackenzie Dern vs Amanda Mercini Senna Valle IBJJF 2017 Rio Fall Open
Apr 2, 2017