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Pledgers

Patti Bao and Tony Xu

Pledgers

Jared and Monica Isaacman

Pledgers

Jeff T. Green

Pledgers

Bill Gates

Pledgers

Melinda French Gates

Pledgers

Jack and Renate Schuler

Pledgers

Ben and Divya Silbermann

Pledgers

Byron and Tina Trott

Pledgers

Ron and Gayle Conway

Pledgers

Sarah and Rich Barton

Pledgers

Xin Liu

Pledgers

Jeff and Marieke Rothschild