David Amstein
Biographical information
| Roles | Referee |
|---|---|
| Sex | Male |
| Full name | David•Amstein |
| Used name | David•Amstein |
| NOC |  Switzerland |
Referee
| Games | Sport (Discipline) / Event | NOC / Team | Phase | Unit | Role | As | |
|---|---|---|---|---|---|---|---|
| 2012 Winter Youth Olympics | Nordic Combined (Skiing) | SUI |
David Amstein | ||||
| Medium Hill / 10 km, Individual, Boys (YOG) | Ski Jumping, Medium Hill | Judge #4 | |||||
| Ski Jumping (Skiing) | SUI |
David Amstein | |||||
| Medium Hill, Individual, Girls (YOG) | Final Standings | Judge #4 | |||||
| Medium Hill, Individual, Boys (YOG) | Final Standings | Judge #4 | |||||
| Medium Hill, Team, Mixed Youth (YOG) | Final Standings | Judge #2 |