Rene Kowalski 🇩🇪
892 profile views · Last seen 21 hour(s) ago
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About
- Training since first belt12 year(s) and 1 month(s)
- Medals2
1
1
0
- LocationLangenfeld, NRW, Germany
- AcademyRonin MMA Germany/Belgium Verified
- AffiliationRonin MMA
Achievements
6 of 19 unlockedCurrent rank verified by promoting instructor
Coach with confirmed students
Profile manually reviewed & certificate issued
Name verified by credit card
Verifications received34 / 50
102550
Years trained12 / 15
5101520
Gold medals1 / 5
51025
Competition matches0 / 10
1050100
Forum posts0 / 500
5001,000
Students
IKIngo
CKCaro
GLGiuliano
CSChristian
Belt promotions
GLGiuliano
Wall
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RKThx a lot 🤙🏼
ARCongratulations on your promotion! 
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Promotion history
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- 10 months, 8 days
Black belt Current belt
November 23, 2025Leverkusen
Promoted by
2 years, 7 months, 21 daysBrown belt
April 2, 2023Leverkusen
Promoted by- Stripe 2December 10, 2023
- Stripe 3December 8, 2024
- Stripe 4September 14, 2025
- 1 year, 6 months, 7 days
Purple belt
September 26, 2021Leverkusen/NRW/Deutschland
Promoted by - 5 years, 1 month, 5 days
Blue belt
August 21, 2016Langenfeld/NRW/Deutschland
Promoted byRoberto Pastuch - 2 years, 6 days
White belt
August 15, 2014Langenfeld/NRW/Deutschland
Votes received for current rank
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"Legit profile congrats on the black"
"100% legit BJJ black belt!"
"lots of photos and verified by confirmed instructor"
"I promote him to blackbelt ! Legit ! Osu!"
"100% legit! Whitnessed the promotion. Congrats on Black Belt"
"Confirmed by coach. Congratulations on your BB-promotion 💪🏻"
"Legit BJJ black belt:)"
"Osu 100% true!"
"I don't know Rene, but there seems to be enough evidence to verify rank. :)"
"Ronin MMA family and legit Blackbelt"
Medals
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Dutch Open
Oct 2015
Naga
May 2015
