| Roles | Referee |
|---|---|
| Sex | Male |
| Full name | David•Leiper |
| Used name | David•Leiper |
| NOC |  Great Britain |
| Games | Sport (Discipline) / Event | NOC / Team | Phase | Unit | Role | As | |
|---|---|---|---|---|---|---|---|
| 2004 Summer Olympics | Hockey | GBR |
David Leiper | ||||
| Hockey, Men (Olympic) | Match 5/6 | Pakistan — New Zealand | Umpire 2 | ||||
| Hockey, Men (Olympic) | Match #2 | Pakistan — India | Umpire 1 | ||||
| Hockey, Men (Olympic) | Match #13 | Spain — Egypt | Umpire 1 | ||||
| Hockey, Men (Olympic) | Match #1 | Australia — New Zealand | Umpire 1 | ||||
| Hockey, Men (Olympic) | Match #5 | India — South Africa | Umpire 2 | ||||
| Hockey, Men (Olympic) | Match #8 | New Zealand — Argentina | Umpire 1 | ||||
| 2008 Summer Olympics | Hockey | GBR |
David Leiper | ||||
| Hockey, Men (Olympic) | Match 9/10 | Belgium — Canada | Umpire 1 | ||||
| Hockey, Men (Olympic) | Match #1 | Germany — People's Republic of China | Umpire 1 | ||||
| Hockey, Men (Olympic) | Match #8 | New Zealand — Belgium | Umpire 1 | ||||
| Hockey, Men (Olympic) | Match #5 | Pakistan — Canada | Umpire 2 | ||||
| Hockey, Men (Olympic) | Match #13 | Netherlands — Pakistan | Umpire 1 |
