| Friendlies Clubs 2011 - Appearances as Referee |  |
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| 21/05/2011 | D.C. United | - | AFC Ajax | 1:2 | - | - | - |
| Friendlies Clubs 2011 - Appearances as Referee | |
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| 21/05/2011 | D.C. United | - | AFC Ajax | 1:2 | - | - | - |
| Complete name: | Mark Geiger |
| Born: | 25/08/1974 |
| Place of birth: |
USA |
| Nationality: |
USA |