| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Marcos•Gerard Jolly |
| Used name | Marcos•Gerard |
| Born | 15 April 1950 in Ciudad de México (Mexico City), Ciudad de México (MEX) |
| Measurements | 180 cm / 72 kg |
| NOC |  Mexico |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1968 Summer Olympics | Sailing | MEX |
Marcos Gerard | |||
| Two-Person Keelboat, Men (Olympic) | Andrés Gerard Contreras | 19 |
