| Title | executive vice president |
| Start Date | 1985-00-00 |
| End Date | 1987-00-00 |
| Executive | yes |
| Notes | From 1973 to 1987, Tom directed the World Wildlife Fund-US program and was responsible for its scientific, Western Hemisphere, and tropical forest orientation. From 1985 to 1987, he served as the Fund’s executive vice president. |