Jeroen Tanis 🇳🇱
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About
- Training since first belt14 year(s) and 10 month(s)
- BirthdaySeptember 29, 198838 years old
- LocationVlaardingen, Zuid Holland, Netherlands
- AcademyLegacy MMA and BJJ Verified
- Also trains atElements BJJ Academy, Inventive BJJ
- AffiliationsNS brotherhood / Ferrari TeamAugusto Ferrari - NS Brotherhood
- Member sinceJanuary 20206 years on Beltchecker.com One of the first 10,000 members
Lineage
- Mitsuyo Maeda
- Carlos Gracie
- Helio Gracie
- Rickson Gracie
- Marcelo Behring
- Waldomiro Perez
- Roberto Godoi
- Marco Barbosa
- Augusto Ferrari
- Jeroen Tanis
Achievements
6 of 19 unlockedName verified by credit card
Coach with confirmed students
Profile manually reviewed & certificate issued
Current rank verified by promoting instructor
Verifications received42 / 50
102550
Years trained14 / 15
5101520
Gold medals0 / 5
51025
Competition matches0 / 10
1050100
Forum posts1 / 500
5001,000
Students
ACAdrian
KKayazinho
SCSheehan
SBSebastian
DSDanilton
GDGeert
GGerben
FFaiz
MVMarco
MSMichał
RRadu
CMCristian
MIMieczyslaw
JPJoao
EMEmre
STStephan
MBMachael
GGuus
MVMarinus
RBRicardo
TT
Tuncay
GL
Gijs
MMido
MKMohamed
JFJeff
AJA.
EPElijah
JFJimi
Belt promotions
ACAdrian
SBSebastian
JPJoao
GDGeert
GGerben
CDCoen
FFaiz
MVMarco
MSMichał
RRadu
CMCristian
LBLouis
MIMieczyslaw
MVMarinus
SVSjors
EMEmre
STStephan
IP
Ilse
Wall
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Promotion history
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- 1 year, 4 months, 21 days
Black belt 2nd degree Current belt
May 25, 2025
(Promotion by time served)
- 2 years, 11 months, 22 days
Black belt 1st degree
June 3, 2022The Hague
Promoted byAugusto Ferrari
- 3 years, 9 days
Black belt
May 25, 2019Rotterdam
Promoted byAugusto FerrariBy proxy of Remco van Baardewijk, Kenan Bajramovic and James Verschuur
- 1 year, 5 months, 15 days
Brown belt
December 10, 2017Rotterdam
Promoted byAugusto Ferrari
- 1 year, 8 months, 9 days
Purple belt
March 31, 2016Rotterdam
Promoted byRemco van Baardewijk
- 1 year, 3 months, 11 days
Blue belt
December 20, 2014Rotterdam
Promoted byRemco van Baardewijk
- 3 years, 1 month, 3 days
White belt
November 17, 2011MMA Vlaardingen
Votes received for current rank
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"Perfect profil BELTCHECKER with nice pictures 👏🏻"
"legit 1st degree Black Belt, promotion pictures, welcome on the site"
"Legit BJJ black belt 1!"
"Legit profile"
"Nicely documented profile with photo evidence"
"verified"
"Passionated BJJ warrior Satsang Rotterdam, and train together on Spar Wars !!"
"Met Jeroen while he was visiting Sarajevo as he attended a seminar there! He was a purple belt at the time but an absolute monster! He`s a nice guy off the mats but an legit killer on the mats! No doubt Jaroen is a legit black belt! Verified!!!"
"Confirmed, very legit!"
"Legit!"
