• January 27, 2015

No. 7: Pierre and Pam Omidyar

Phil50 2013: omidyar

Ramin Talaie/Bloomberg/Getty Images

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close Phil50 2013: omidyar

Ramin Talaie/Bloomberg/Getty Images

Amount donated in 2013: $225-million

Beneficiaries: HopeLab, Humanity United, Omidyar Network, and the Ulupono Initiative

Background: Mr. Omidyar founded the online auction company, eBay, in San Jose, Calif. Ms. Omidyar is chairwoman of HopeLab, a Redwood City, Calif., nonprofit that develops technology to help critically ill children.

The Omidyars, who are both 46, gave $225-million to Hope­Lab; Humanity United, a nonprofit that supports efforts to fight slavery and mass atrocities around the globe; the nonprofit arm of the Omidyar Network; and the nonprofit branch of the Ulupono Initiative, a Honolulu organization that supports groups focused on the environment, local agriculture, and sustainable energy.

The Philanthropy 50: Browse the full list of America's most generous donors in 2013.

Learn more: See these donors' listing in our database of major gifts, America's Top Donors.

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