Our Instructors

Otjep Pieterson

Otjep Pieterson
Brown Belt

Otjep is a highly skilled brown belt under Gracie Barra black belt Andre Nunes.
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Orlando Prins

Orlando Prins co-founder, assistent instructor
Purple Belt

Having trained several other martial arts disciplines Orlando one day chose to add jiujitsu to his arsenal and fell in love with the sport. He is one of the most active competitors of GBG, Orlando has won many medals all over the world. Some of his achievements include, winning the Abu Dhabi Trials, IBJJF medals in Nice, London, Paris and many more. Orlando is training full time and shifted his focus lately to MMA as well.
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Bram Welbroek

Bram Welbroek Instructor
Purple Belt

After years training high level Kendo and participating in many (inter)national tournaments Bram decided to give BJJ a try and never looked back. Bram is a very humble person and a patient and friendly instructor always willing to help and explain that detail once more.
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Guven Cam

Guven Cam
Blue Belt

Guven Panchito Cam is a high level fulltime BJJ competitor with loads of real experience in competition. On his way to make his dreams come true (black belt world champion) he trains and teaches at Gracie Barra Groningen
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Colored belts

Ezra Trotter - View Results
Black Belt
Ying Hao Ma - View Results
Purple Belt
Karel Weima - View Results
Purple Belt
Florian Eichert - View Results
Purple Belt
Isai Mercera - View Results
Purple Belt
Jeroen Tinge
Purple Belt
Samir Iskandarani - View Results
Purple Belt
Jan van Haperen - View Results
Blue Belt
Jason Pahl
Blue Belt
Iris van de Zaag - View Results
Blue Belt
Alan Wening - View Results
Blue Belt
Robert Bos - View Results
Blue Belt
Jannes Weishaupt - View Results
Blue Belt
Bas Sligter - View Results
Blue Belt
Rob Jansma
Blue Belt
Machiel Welbergen
Blue Belt
Leon Koens - View Results
Blue Belt
Charis Zimmerman
Blue Belt
Robert-Jan Tinge
Blue Belt
Tanne Hopkes - View Results
Blue Belt

Competition white belts

Salim Bayri - View Results
White Belt
Robert Beerta - View Results
White Belt
Marco Amendola - View Results
White Belt
Wiebe Koehoorn - View Results
White Belt
Burak Bayrak - View Results
White Belt

News & Blog

Nov. 27, 2016Amsterdam Open 2016

20/11/2016 - Sporthal Karelrijk, Amstelveen

Today a big part of the Gracie Barra Groningen Jiu Jitsu team together with coach Ezra took the journey to Amsterdam. Everybody was motivated to show the ability to compete and gain experience. The Amsterdam Open began 11 o’clock, so the team arrived half an hour earlier for the first weigh ins. Everybody made weight so the competition could go on.

Oct. 15, 2016Flevo Open 2016

On Saturday, the 17th of September six of us competed at the Flevo Open. The tournament was held in the huge Topsporthal in Almere and with nearly 400 competitors this was one of the biggest tournament in The Netherlands. A great way to kick off the new competition season!

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