| 5-minute Numbers | 184 | World Memory Championship 1997 | 389 | |
| 30-minute Binary | 1290 | World Memory Championship 1997 | 424 | |
| Hour Cards | 598 | World Memory Championship 1997 | 255 | |
| Hour Numbers | 1200 | World Memory Championship 1997 | 170 | |
| 15-minute Words | 130 | World Memory Championship 1997 | 142 | |
| Speed Cards | 150 seconds | 10th USA Memory Championship 2007 | 868 |