Norbert Hsin-Yeu Lou is listed as Limited Partner at Punch Card Management LP on SEC Form ADV.
Form ADV reports a beneficial ownership band of Over 75%.
| Title | Limited Partner |
| Ownership | Over 75% |
| Control person | Yes |
| Since | 2004 |
| Title | Managing Member |
| Ownership | Over 75% |
| Control person | Yes |
| Since | 2004 |