| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Roel Christianus Godefridus•Koolen | |
| Used name | Roel•Koolen | |
| Born | 20 April 1982 in Mierlo, Noord-Brabant |  NED |
| Measurements | 182 cm / 85 kg | |
| Affiliations | Kinheim, Haarlem | |
| NOC | Netherlands | NED |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2008 Summer Olympics | Baseball (Baseball/Softball) | NED |
Roel Koolen | |||
| Baseball, Men (Olympic) | Netherlands | 7 |
