Bill & Karen Ackman, USA
Margaret & Sylvan Adams, Canada
Paul G. Allen, USA
HRH Prince Alwaleed Bin Talal Bin Abdulaziz AlSaud, Saudi Arabia
Sue Ann Arnall, USA
Laura & John Arnold, USA
Lord Ashcroft KCMG PC, England
Lynne & Marc Benioff, USA
Nicolas Berggruen, Germany
Manoj Bhargava, USA
Steve Bing, USA
Arthur M. Blank, USA
Nathan & Elizabeth Blecharczyk, USA
Michael R. Bloomberg, USA
Richard & Joan Branson, British Virgin Islands
Eli & Edythe Broad, USA
Charles R. Bronfman, Canada
Edgar M. Bronfman, USA
Warren Buffett, USA
Jean & Steve Case, USA
John Caudwell, England
Brian Chesky, USA
Scott Cook & Signe Ostby, USA
Lee & Toby Cooperman, USA
Joe & Kelly Craft, USA
Joyce & Bill Cummings, USA
Ray & Barbara Dalio, USA
Jack & Laura Dangermond, USA
John Paul DeJoria, USA
Barry Diller & Diane von Furstenberg, USA
Ann & John Doerr, USA
Glenn & Eva Dubin, USA
Larry Ellison, USA
Henry Engelhardt CBE & Diane Briere de l’Isle-Engelhardt OBE, WALES, UK
Judy Faulkner, USA
Charles F. Feeney, USA
Andrew & Nicola Forrest, Australia
Ted Forstmann (d. 2011), USA
Phillip & Patricia Frost, USA
Bill & Melinda Gates, USA
Joe Gebbia, USA
Dan & Jennifer Gilbert, USA
Ann Gloag OBE, Scotland
Dave Goldberg (d. 2015) & Sheryl Sandberg, USA
David & Barbara Green, USA
Jeff & Mei Sze Greene, USA
Harold Grinspoon & Diane Troderman, USA
Harold Hamm, USA
Reed Hastings & Patty Quillin, USA
Lyda Hill, USA
Barron Hilton, USA
Christopher Hohn, England
Elie & Susy Horn, Brazil
Sir Tom & Lady Marion Hunter, Scotland
Jon & Karen Huntsman, USA
Dr. Mo Ibrahim, England
Carl Icahn, USA
Joan & Irwin Jacobs, USA
John W. “Jay” Jordan II, USA
George B. Kaiser, USA
Brad & Kim Keywell, USA
Vinod & Neeru Khosla, USA
Sidney Kimmel, USA
Rich & Nancy Kinder, USA
Beth & Seth Klarman, USA
Elaine & Ken Langone, USA
Liz & Eric Lefkofsky, USA
Gerry & Marguerite Lenfest, USA
Peter B. Lewis (d. 2013), USA
Lorry I. Lokey, USA
George Lucas & Mellody Hobson, USA
Duncan & Nancy MacMillan, USA
Alfred E. Mann (d. 2016), USA
Joe & Rika Mansueto, USA
Bernie & Billi Marcus, USA
Richard Edwin & Nancy Peery Marriott, USA
Strive & Tsitsi Masiyiwa, England
Kiran Mazumdar-Shaw, India
Craig & Susan McCaw, USA
Red & Charline McCombs, USA
PNC & Sobha Menon, India
Dean & Marianne Metropoulos, USA
Gary K. Michelson, M.D., USA
Yuri Milner, Russia
George P. Mitchell (d. 2013), USA
Thomas S. Monaghan, USA
Gordon & Betty Moore, USA
Tashia & John Morgridge, USA
Michael Moritz & Harriet Heyman, USA
Dustin Moskovitz & Cari Tuna, USA
Patrice & Precious Motsepe, South Africa
Elon Musk, USA
Arif Naqvi, UAE
Jonathan M. Nelson, USA
Gensheng Niu, China
Pierre & Pam Omidyar, USA
Natalie & Paul Orfalea, USA
Bernard & Barbro Osher, USA
Bob & Renee Parsons, USA
Ronald O. Perelman, USA
Jorge M. & Darlene Perez, USA
Peter G. Peterson, USA
Victor Pinchuk, Ukraine
Hasso Plattner, Germany
Vladimir Potanin, Russia
Azim Premji, India
Terry & Susan Ragon, USA
Julian H. Robertson Jr., USA
David Rockefeller (d. 2017), USA
Edward W. (d. 2016) & Deedie Potter Rose, USA
Stephen M. Ross, USA
David M. Rubenstein, USA
David Sainsbury, England
John & Ginger Sall, USA
Henry & Susan Samueli, USA
Herb & Marion (d. 2012) Sandler, USA
Denny Sanford, USA
Vicki & Roger Sant, USA
Lynn Schusterman, USA
Ruth & Bill Scott, USA
Walter Scott Jr., USA
Craig Silverstein & Mary Obelnicki, USA
Annette & Harold Simmons, USA
Jim & Marilyn Simons, USA
Liz Simons & Mark Heising, USA
Paul E. Singer, USA
Jeff Skoll, USA
John A. & Susan Sobrato, John Michael Sobrato, USA
Michele B. Chan & Patrick Soon-Shiong, USA
Ted (d. 2016) & Vada (d. 2013) Stanley, USA
Mark & Mary Stevens, USA
Tom Steyer & Kat Taylor, USA
Jim (d. 2014) & Virginia Stowers, USA
Dato’ Sri Dr. Tahir, Indonesia
Vincent Tan Chee Yioun, Malaysia
Tad Taube, USA
Claire (d. 2014) & Leonard Tow, USA
Ted Turner, USA
Albert Lee Ueltschi (d. 2012), USA
Sunny & Sherly Varkey, UAE
Dr. Romesh & Kathleen Wadhwani, USA
Sanford & Joan Weill, USA
Dr. Herbert & Nicole Wertheim, USA
Shelby White, USA
Sir Ian Wood, Scotland
Hansjörg Wyss, USA
Samuel Yin, Taiwan
Charles Zegar & Merryl Snow Zegar, USA
Mark Zuckerberg & Priscilla Chan, USA
1 As of 3/6/17; http://givingpledge.org/.