| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Cornelis Johannes Martijn•van Geemen | |
| Used name | Martijn•van Geemen | |
| Born | 15 December 1971 in Purmerend, Noord-Holland | |
| Measurements | 180 cm / 68 kg | |
| Affiliations | WSV Hemmeland, Monnickendam | |
| NOC | Netherlands |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1996 Summer Olympics | Sailing | Martijn van Geemen | ||||
| Windsurfer, Men (Olympic) | 18 |