Corporate Board Profile
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| Filing Date | Source Excerpt |
|---|---|
| 2014-03-24 | Director since June 1993. President (1980 through 1996), Trustee (1987 to present) and Board Chairman (1987 through 2010) of the National Geographic Society. |
| 2015-03-24 | President (1980 through 1996), Trustee (1987 to 2014) and Board Chairman (1987 through 2010) of the National Geographic Society, with which he has been associated since 1954. Trustee of the B. F. Saul Real Estate Investment Trust. |
| 2016-03-22 | President, Trustee and Board Chairman of the National Geographic Society, with which he has been associated since 1954. |
Data sourced from SEC filings. Last updated: 2025-10-12