| Roles | Referee | |
|---|---|---|
| Sex | Male | |
| Full name | John D.•Ammerman | |
| Used name | John•Ammerman | |
| NOC | United States |  USA |
| Games | Sport (Discipline) / Event | NOC / Team | Phase | Unit | Role | As | |
|---|---|---|---|---|---|---|---|
| 1984 Summer Olympics | Equestrian Jumping (Equestrian) | USA |
John Ammerman | ||||
| Individual, Open (Olympic) | Final Standings | Final Standings | Judge #2 | ||||
| Team, Open (Olympic) | Final Standings | Final Standings | Judge #2 |
