Athlete Information
Personal Information
| Category | Information | Photo |
|---|---|---|
| Family name | de GIER |
|
| Given name | Johan | |
| National Olympic Committee |
 NED
-
Netherlands
|
|
| Birthdate |
17 July 1984
|
|
| Gender |
Men
|
|
| Event List | Ju-Jitsu Men's 77kg Fighting | |
| Major Achievements |
Disciplines:Fighting Category: -77 kg 3 times Dutch Champion -77 fighting 2 times Dutch Champion duo games men World champion duo games men 2011 3rd place world championships 2011 -77 fighting men 3rd place open European championship 2012 -77 fighting men |
New Records
Medals
Results
Records before games