Scope: Single gift. Period: 2009. As of: 2009-12-30.
Sources
[1] S01$705-Million Donation AnnouncedThe Chronicle of Philanthropy · 2009-12-30 · checked 2026-10-11“…Member Search Leading Fundraising Giving Solutions Research Online Events Career Center Store Search for: Major-Gift Fundraising $705-Million Donation Announced By Maria Di Mento Senior Editor SHARE THIS STORY: December 30, 2009 | Read Time: 1 minute The New York…”Page states the figure used here ($705M). Citation check: passed (HTTP 200, figure found near the name).
[2] S02America’s top donors of 2009NBC News · 2009-12-21 · checked 2026-10-11“… in 1945. The second-biggest gift was from the investment managers Stanley and Fiona Druckenmiller who provided $705 million to their Druckenmiller Foundation, in New York. The money will be used to support medical research, education, and …”Page states the figure used here ($705M). Citation check: passed (HTTP 200, figure found near the name).
[3] S03Druckenmiller Foundation - Influence WatchInfluenceWatch · 2018-09-26 · checked 2026-10-11“…along with his wife Fiona, established the Druckenmiller Foundation in 1993. 4 In 2009, the couple announced a personal donation of $705 million to the Foundation. 5 According to one profile, “the Chronicle of Philanthropy recognized the Druckenmillers as the most…”Page states the figure used here ($705M). Citation check: passed (HTTP 200, figure found near the name).
Identity and updates
Identity-claim verification is not live. Use the intake form to add sources. Eligible recognition does not depend on a claimed profile. Public update history in this edition is the 2026-10-11 research preview.