| Roles | Referee |
|---|---|
| Sex | Male |
| Full name | John David•Greig |
| Used name | John•Greig |
| Born | 21 September 1922 in Toronto, Ontario (CAN) |
| Died | 8 January 1982 (aged 59 years 3 months 17 days) in Brantford, Ontario (CAN) |
| NOC |  Canada |
| Games | Sport (Discipline) / Event | NOC / Team | Phase | Unit | Role | As | |
|---|---|---|---|---|---|---|---|
| 1960 Winter Olympics | Figure Skating (Skating) | CAN |
John Greig | ||||
| Singles, Men (Olympic) | Final Standings | Judge #2 | |||||
| Singles, Men (Olympic) | Compulsory Figures | Judge #2 | |||||
| Singles, Men (Olympic) | Free Skating | Judge #2 | |||||
| Singles, Women (Olympic) | Final Standings | Judge #2 | |||||
| Singles, Women (Olympic) | Compulsory Figures | Judge #2 | |||||
| Singles, Women (Olympic) | Free Skating | Judge #2 | |||||
| Pairs, Mixed (Olympic) | Final Standings | Judge #3 |
