Officers & Council
Updated August 2026
Officers & Council
AMERICAN PHILOSOPHICAL SOCIETY
Patron
The Governor of Pennsylvania
President
Roger S. Bagnall
2026–2029
Vice Presidents
Nina G. Jablonski 2026–2029
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Jacqueline K. Barton 2024–2027
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Harvey Fineberg 2025–2028
Curator of Art and Material Culture
Leslie C. Aiello
Curator of the Jefferson Garden
Leslie Miller
Treasurer
Marna C. Whittington 2025–2028
Secretary
David Skorton 2025–2028
Chief Executive Officer
Patrick Spero
Councilors
| 2024–2027 | 2025–2028 | 2026–2029 | |
|---|---|---|---|
| Class 1 | Vijay Kumar | Joanna Aizenberg | Eric Horvitz |
| Class 2 | Ronald M. Fairman | Jianguo 'Jack' Liu | Richard E. Lenski |
| Class 3 | Robert James Miller | Rogers Smith | David Hollinger |
| Class 4 | Paul W. Kroll | Julia Haig Gaisser | Richard Kagan |
| Class 5 | Mark Thompson | Amy Gutmann | Tom Wolf |
Council consists of the above elected Officers and Councilors, and the Chairs of the Committees on Audit, Budget, Development, Investment, Library & Museum, Nomination of Officers, and Research: Alan S. Blinder, Marna C. Whittington, Richard B. Worley, Theodore R. Aronson, John van Horne, Elizabeth Cropper, and Mark Wrighton.
Executive Committee
Roger S. Bagnall,
Jacqueline K. Barton, Harvey Fineberg, Nina G. Jablonski,
Marna Whittington,
David Skorton,
Patrick Spero