Rowin de Jong
| Rowin De Jong VERIFIED | |
| White belt 2 stripe(s) VERIFIED | |
| 0 year(s) and 6 month(s) of training | |
| Netherlands | |
| UNDERHOOK SOCIETY VERIFIED | |
| Satsang Brazilian Jiu-Jitsu | |
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Achievements
| Profile manually reviewed & certificate issued | |
| Current rank verified by promoting instructor | |
| Name verified by credit card | |
| 10 verifications received | |
| 25 verifications received | |
| 50 verifications received | |
| Trained for 5 years | |
| Trained for 10 years | |
| Trained for 15 years | |
| Trained for 20 years | |
| Won 5 gold medals | |
| Won 10 gold medals | |
| Won 25 gold medals | |
| 10 competition matches | |
| 50 competition matches | |
| 100 competition matches | |
| 500 forum posts | |
| 1,000 forum posts |
Coaches
 | Iwan Hansen UNDERHOOK SOCIETY Leiden, Netherlands Black belt 1st degree |
 | Mike Harteveld UNDERHOOK SOCIETY Netherlands Brown belt |
White belt verification progress
Profile filled out Promotion history filled out Identity Confirmed 180/0 vote points
100%
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Promotion history
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August 26, 2025 - Leiden, Netherlands
0 year(s) 6 month(s) 23 day(s)
Stripe 1: November 3, 2025
Stripe 2: December 22, 2025
Stripe 2: December 22, 2025
Votes received for current rank
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