Atos HQ black belt Rolando Samson teaches Over Under Pass to Half Stack during the fundamental class on 12/04/2025.

Rolando Samson received his black belt from Andre Galvao in June 2017. He is a 2x IBJJF World No-Gi Champion, an IBJJF World Champion, and a UAEJJF Abu Dhabi Pro Champion (all duri...

Atos HQ black belt Andy Murasaki teaches X Guard Passing Variations during the fundamental class on 12/03/2025.

Part 2- https://live.atosbjjondemand.com/videos/x-guard-passing-variations-part-2
Part 3- https://live.atosbjjondemand.com/videos/x-guard-passing-variations-part-3
Part 4- https://liv...

Atos HQ black belt Andy Murasaki teaches X Guard Passing Variations during the fundamental class on 12/03/2025.

Part 1- https://live.atosbjjondemand.com/videos/x-guard-passing-variations-part-1
Part 3- https://live.atosbjjondemand.com/videos/x-guard-passing-variations-part-3
Part 4- https://liv...

Atos HQ black belt Andy Murasaki teaches X Guard Passing Variations during the fundamental class on 12/03/2025.

Part 1- https://live.atosbjjondemand.com/videos/x-guard-passing-variations-part-1
Part 2- https://live.atosbjjondemand.com/videos/x-guard-passing-variations-part-2
Part 4- https://liv...

Atos HQ black belt Andy Murasaki teaches X Guard Passing Variations during the fundamental class on 12/03/2025.

Part 1- https://live.atosbjjondemand.com/videos/x-guard-passing-variations-part-1
Part 2- https://live.atosbjjondemand.com/videos/x-guard-passing-variations-part-2
Part 3- https://liv...

Atos HQ black belt Rolando Samson teaches Troubleshooting Over Under Pass during the fundamental class on 12/03/2025.

Rolando Samson received his black belt from Andre Galvao in June 2017. He is a 2x IBJJF World No-Gi Champion, an IBJJF World Champion, and a UAEJJF Abu Dhabi Pro Champion (all du...

Atos HQ black belt Michael Perez teaches Guard Passing Game 1 during the no-gi class on 12/02/2025.

Part 2- https://live.atosbjjondemand.com/videos/guard-passing-game-2

Mike Perez received his black belt from Andre Galvao in October 2017. He is a Kasai II Grand Prix silver medalist, an IBJJF Pa...

Atos HQ black belt Michael Perez teaches Guard Passing Game 2 during the no-gi class on 12/02/2025.

Part 1- https://live.atosbjjondemand.com/videos/guard-passing-game-1

Mike Perez received his black belt from Andre Galvao in October 2017. He is a Kasai II Grand Prix silver medalist, an IBJJF Pa...

Atos black belt Rafael Silveira teaches Sneaky Arm Bar From Guard Pull during the fundamental class on 12/02/2025.

Rafael Silveira received his black belt after winning the 2023 IBJJF World Championship as a brown belt from Andre Galvao in June 2023.

Instagram: @rafaeltsilveira

Atos HQ black belt Andy Murasaki teaches Passing X Guard With Side Smash, during the fundamental class on 12/01/2025.

Andy Murasaki received his black belt from Andre Galvao in December 2020. He is an IBJJF No-Gi World Champion, IBJJF Worlds Runner Up, IBJJF European Champion, 2x IBJJF Pan Cham...

Atos HQ black belt Andy Murasaki teaches Passing X Guard With Side Smash, during the fundamental class on 12/01/2025.

Andy Murasaki received his black belt from Andre Galvao in December 2020. He is an IBJJF No-Gi World Champion, IBJJF Worlds Runner Up, IBJJF European Champion, 2x IBJJF Pan Cham...

Atos HQ black belt Andy Murasaki teaches Passing X Guard With Side Smash, during the fundamental class on 12/01/2025.

Andy Murasaki received his black belt from Andre Galvao in December 2020. He is an IBJJF No-Gi World Champion, IBJJF Worlds Runner Up, IBJJF European Champion, 2x IBJJF Pan Cham...

The middleweight division at the 2025 Crown Championship delivered fireworks from start to finish. Stacked with elite contenders, rising talents, and seasoned veterans, this bracket promised war — and it delivered. Names like Mateo Cardona, Pedro Maia, and Jackson Nagai made this one of the most ...

Atos HQ black belt Rolando Samson teaches Over Under Pass Concepts during the fundamental class on 12/01/2025.

Rolando Samson received his black belt from Andre Galvao in June 2017. He is 2x IBJJF World No-Gi Champion, an IBJJF World Champion, and a UAEJJF Abu Dhabi Pro Champion (all during his ...

Atos HQ black belt Andy Murasaki teaches Knee Shield Guard Pass Variation, during the fundamental class on 11/26/2025.

Andy Murasaki received his black belt from Andre Galvao in December 2020. He is an IBJJF No-Gi World Champion, IBJJF Worlds Runner Up, IBJJF European Champion, 2x IBJJF Pan Cha...

Atos HQ black belt Andy Murasaki teaches Knee Shield Guard Pass Variation, during the fundamental class on 11/26/2025.

Andy Murasaki received his black belt from Andre Galvao in December 2020. He is an IBJJF No-Gi World Champion, IBJJF Worlds Runner Up, IBJJF European Champion, 2x IBJJF Pan Cha...

Atos HQ black belt Andy Murasaki teaches Knee Shield Guard Pass Variation, during the fundamental class on 11/26/2025.

Andy Murasaki received his black belt from Andre Galvao in December 2020. He is an IBJJF No-Gi World Champion, IBJJF Worlds Runner Up, IBJJF European Champion, 2x IBJJF Pan Cha...

The lightweight division at the 2025 Crown Championship was considered the most stacked of the event, packed with World Champions, rising stars, and the returning champion Brianna Ste-Marie. Top names like Janaina Lebre, Thalyta Silva, Bia Basilio, Elisabeth Clay, Cassia Moura, and Sarah Galvão m...

Atos HQ black belt Rolando Samson teaches Pants & Collar Pass Concepts during the fundamental class on 11/26/2025.

Rolando Samson received his black belt from Andre Galvao in June 2017. He is 2x IBJJF World No-Gi Champion, an IBJJF World Champion, and a UAEJJF Abu Dhabi Pro Champion (all during ...

Watch now the recap of Team Atos at the 2025 @ibjjf Crown.

Champions - Sarah Galvao and Andy Murasaki
Second Place - João Bisnaga and Gustavo Batista
Fourth Place - Maria Alencar and Lucas Barbosa

Atos HQ black belt Rolando Samson teaches Shin Slicer Pass From Reverse DLR during the fundamental class on 11/25/2025.

Rolando Samson received his black belt from Andre Galvao in June 2017. He is 2x IBJJF World No-Gi Champion, an IBJJF World Champion, and a UAEJJF Abu Dhabi Pro Champion (all du...

6X IBJJF World Champion Atos HQ Head Black Belt Andre Galvao teaches Worm Guard Pass With Reverse Stack Pass, during the advanced class on 11/24/2025.

Part 2- https://live.atosbjjondemand.com/videos/worm-guard-pass-with-reverse-stack-pass-part-2
Part 3- https://live.atosbjjondemand.com/videos/...

6X IBJJF World Champion Atos HQ Head Black Belt Andre Galvao teaches Worm Guard Pass With Reverse Stack Pass, during the advanced class on 11/24/2025.

Part 1- https://live.atosbjjondemand.com/videos/worm-guard-pass-with-reverse-stack-pass-part-1
Part 3- https://live.atosbjjondemand.com/videos/w...

6X IBJJF World Champion Atos HQ Head Black Belt Andre Galvao teaches Worm Guard Pass With Reverse Stack Pass, during the advanced class on 11/24/2025.

Part 1- https://live.atosbjjondemand.com/videos/worm-guard-pass-with-reverse-stack-pass-part-1
Part 2- https://live.atosbjjondemand.com/videos/w...