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