| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Hans Wietse•Keldermann |
| Used name | Hans•Keldermann |
| Born | 22 March 1966 in Zutphen, Gelderland (NED) |
| Measurements | 198 cm / 102 kg |
| Affiliations | Proteus Eretes, Delft |
| NOC | Netherlands |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1988 Summer Olympics | Rowing | NED |
Hans Keldermann | |||
| Quadruple Sculls, Men (Olympic) | Netherlands | 8 | ||||
| 1992 Summer Olympics | Rowing | NED |
Hans Keldermann | |||
| Quadruple Sculls, Men (Olympic) | Netherlands | 5 |