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Start Late, Go Deep: Keren Or Fedida vs. Marissa Berzins, CJI Rules Sub-Only

Keren Or Fedida didn't start jiu-jitsu young, and she didn't follow just one path. She studies the art around the world, learning from masters at camps and academies across different systems, then brings it home to The Garden MMA. Then she pressure-tests it on the competition floor.

December 9, 2025: CJI rules, sub only, on FloGrappling

On December 9, 2025, Keren stepped into a women's sub-only match under CJI rules, streamed on FloGrappling: Keren Or Fedida vs. Marissa Berzins, on the Finishers MMA card. No points and no decisions. You win by making your opponent tap, or you keep working.

Preparation made the difference. Coach Jay Regalbuto coached her corner with calm and clarity. Coach Judah Ciervo handled the warm-up, the strategy and the final adjustments. That teamwork led to the sweep you'll see in the video.

Watch the full match on YouTube →

Start late. Go deep.

Keren's story is proof that women can start training at any age, grow deeply into the art, and still compete at a high level if they choose to. It's also why she coaches the way she does: she meets students where they are and guides the ones who want to compete when they're ready.

It's the same jiu-jitsu taught at The Garden MMA: focused, patient and built for long-term growth. And it's why every piece of Kunoichi & Shinobi gets tested in real rounds before it reaches you.

Train in what she trains in. Shop Kunoichi & Shinobi, or join the waitlist for Warrior In The Garden 4.0, our women-only no-gi camp.

See Keren training at Imanari's in Tokyo

Keren in Episode 3 of Confuerza's series, training with Masakazu Imanari at Imanari Jiu Jitsu in Shinjuku, Tokyo. Video: Confuerza.