Friends of Intelligence Squared U.S.
Foundations
American Clean Skies Foundation
The Lynde and Harry Bradley Foundation
George L. Ohrstrom, Jr. Foundation
The Rosenkranz Foundation
Arthur N. Rupe Foundation
The Mortimer D. Sackler Foundation
POLYMATH ($25,000+)
- Anonymous (2)
- Gerry Ohrstrom
- Prophet Capital
- Paul E. Singer
- Mr. & Mrs. Thomas W. Smith
- Lynn & Stephan Solomon
GENIUS ($10,000+)
- Anonymous
- Christopher Buck
- David A. Coulter
- Van Greenfield
- Susan & Roger Hertog
- Frances & James Maguire
- Susan Patterson & Leigh Seippel
- Kelly Posner Gerstenhaber & David Gerstenhaber
- Andrew Sabin
- Joan & Donald Sherman
- Sydney & Stanley Shuman
- Stephanie Rein & Edward Stern
- Liora & Menachem Sternberg
- Shelby White / Leon Levy Foundation
- Anita & Byron Wien
BRILLIANT ($5000+)
- Stanley N. Bergman
- Kenneth D. Brody
- James H. Coleman
- Richard Elden
- Lea & Ian Highet
- Douglas Hirsch
- Thomas Campbell Jackson
- Martina & Timothy Keaney
- Michael L. Keiser
- Stacie & Stephan Kiratsous
- William & Phyllis Mack
- John F. McGillian
- Heidi & Thomas McWilliams
- Brette Popper & Paul Spraos
- Anna & Martin Rabinowitz
- Amy & Jay Regan
- Laura Moore & Fred Tanne
- Barbara & Donald Tober
- Mortimer B. Zuckerman
BRIGHT ($1500+)
- Michael & Meghan Caponiti
- Michael A. Carpenter
- Devon & Jay Cross
- Edward A. Fox
- W. Leslie Duffy
- Barbara Goldsmith
- Patricia & Peter Handal
- Warren Ilchman
- Quincy Koffel
- Ambassador & Mrs. John L. Loeb, Jr.
- Kathryn Markel
- Marcia Mishaan
- Ilona Nemeth & Alan Quasha
- Ellen Palevsky
- Cynthia Hazen Polsky & Leon Polsky
- Bonnie & Richard Reiss
- Nathan Saint-Amand
- Alice & Ross Sandler
- Diane H. Schafer
- Andrew Solomon
- Leila & Mickey Straus
- Bonnie & Tom Strauss
- Sarah van Riemsdijk
- Jeffrey Wernick
- Robert F. Wright