Jan Jeronimus

Black belt Verified by the community1,805 / 1,000 points

De Sportschool15 years on the mats

74 profile views · Last seen 2 month(s) ago

#2,383worldwide by community verification points

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About

Training since first belt15 year(s) and 4 month(s)

AcademyDe Sportschool Unclaimed
AffiliationJiu Jitsu Factory

Lineage

Jigoro Kano
Conde Koma (Mitsuyo Maeda)
Carlos Gracie
Hélio Gracie
Rickson Gracie
Marcelo Behring
Mario Yamasaki
Cadu Francis
Mathieu Peters
Hans Stringer

Training history

Achievements

4 of 18 unlocked

Profile manually reviewed & certificate issued

Current rank verified by promoting instructor

Name verified by credit card

Verifications received21 / 25

102550

Years trained15 / 20

5101520

Gold medals0 / 5

51025

Competition matches0 / 10

1050100

Forum posts2 / 500

5001,000

Coaches

Black belt

Jiu Jitsu FactoryUtrecht, Netherlands

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Promotion history

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Black belt Current belt
July 2, 2025IJsselstein/Nederland/De Sportschool/sharktank
1 year, 2 months, 29 days
Promoted by
Hans Stringer
Brown belt
June 26, 2023IJsselstein/Nederland/De Sportschool/sharktank
2 years, 6 days
Promoted by
Hans Stringer
Purple belt
June 23, 2018Oss/Nederland/Jiu Jitsu Factory/centrale training
5 years, 3 days
Promoted by
Hans Stringer
Blue belt
July 1, 2015Oss/Nederland/Jiu Jitsu Factory/centrale training
2 years, 11 months, 22 days
Promoted by
Hans Stringer
White belt
June 1, 2011Utrecht/Nederland/Jiu Jitsu Factory
4 years, 1 month

Votes received for current rank

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R. David Gonzalez

Black belt 4th degree

+200 pts

"No doubt - Legit"

Verified1 year(s) ago

Thank you, muito obrigado!

1 year(s) ago

Daniël Bertina

Black belt 3rd degree

+175 pts

"I have known Jan for years & have trained with him many times. Very technical and excellent rolls! Legit!"

Verified1 year(s) ago

Dankjewel Daniel, hopelijk tot binnenkort weer! 🤙

1 year(s) ago

Black belt 1st degree

+125 pts

"looks good"

Verified1 year(s) ago

Thanks Chris, much appreciated!

1 year(s) ago

Thanks Chris, much appreciated!

1 year(s) ago

Black belt 1st degree

+125 pts

"Onze Jan, echt een fijne maat om mee te trainen en een solide game en een judoka ook."

Verified1 year(s) ago

Thanks bro! Hopelijk tot binnenkort op de mat

1 year(s) ago

Claudia Eichmann

Black belt

+100 pts

"Legit. Picture of promotion. Congrats on the BB 💪 "

Verified1 year(s) ago

Vielen Dank, Claudia!

1 year(s) ago

Black belt

+100 pts

"Legit"

Verified1 year(s) ago

Thanks Ethan, I appreciate your vote. Oss!

1 year(s) ago

Black belt

+100 pts

"Congrats on your promotion."

Verified1 year(s) ago

Kiitos Timo! I appreciate it.

1 year(s) ago

Black belt

+100 pts

"Great photo evidence, Congrats on the belt!"

Verified1 year(s) ago

Thank you, muito obrigado!

1 year(s) ago

Thank you, muito obrigado!

1 year(s) ago

Black belt

+100 pts

"Photo evidence looks good"

Verified1 year(s) ago

Thank you, much appreciated!

1 year(s) ago

Thank you, much appreciated!

1 year(s) ago

Black belt

+100 pts

"Jan is one of the most technical guys at De Sportschool and a great training partner and person. His black belt is well earned!"

Verified1 year(s) ago

Bedankt Charissa. Muito obrigado!

1 year(s) ago

Bedankt Charissa. Muito obrigado!

1 year(s) ago

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