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Tides Foundation

US-based public charity and fiscal sponsor working to advance progressive policy

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionAug 27, 2026
Entity authorityQ7800861
Source-derived summary

Tides Foundation is a left-leaning donor advised fund based in the United States that manages over $1.4 billion in assets. It was founded in San Francisco in 1976 by Drummond Pike. Tides distributes money from anonymous donors to other organizations, which are often politically progressive.

History

Tides was founded in 1976 by philanthropist Drummond Pike with assistance from Jane Bagley Lehman, granddaughter of R.J. Reynolds. Lehman was the organization's chair from 1976 until her death in 1988; Pike was the organization's chief executive officer until 2010. It is named after Tides Bookstore, a defunct bookstore in Sausalito. Tides was conceived as a nationally oriented community foundation, and founded out of Pike's frustration with established philanthropy's perceived neglect of progressive issues.

Pike envisioned using fiscal sponsorship for progressive political activism. Fiscal sponsorship uses a tax-exempt charity to provide financial support to a non-exempt project or organization, thereby lending it tax exemption as long as the charity retains control of the way its funds are spent. In The Givers: Wealth, Power, and Philanthropy in a New Gilded Age, David Callahan wrote that Pike was an "entrepreneurial activist" and that Pike and his "wealthy friends" united to create Tides which "used donor-advised funds to direct resources to progressive causes." Callahan, who is the co-founder of the think tank Demos, contrasted this with a similar approach taken by DonorsTrust, an American non-profit donor-advised fund founded in 1999 to safeguard the "intent of libertarian and conservative donors".

Editorial summary

Begin with the source’s own compact description: “Tides Foundation” is uS-based public charity and fiscal sponsor working to advance progressive policy. The dossier treats that line as a proposition to test through Tides, Foundation and US-based, not as a finished interpretation.

Editorial reviewA concise reference frame for defining the subject, testing terminology and identifying the institution closest to the evidence. The current lead gives the account dated anchors—1976, 1988, 2010, 1999—that can be checked directly. The linked authority record independently contributes the date 1976-06-04. For this dossier, Tides, Foundation and US-based is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “uS-based public charity and fiscal sponsor working to advance progressive policy” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.

Evidence profile

The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Aug 27, 2026. The linked authority identifier is Q7800861. VIAF identifies the subject as 133593750. The Library of Congress control number is n89665503. 3 of 4 selected statements include explicit references; 2 carry qualifiers and 1 use preferred rank. The first chronological checks are 1976, 1988, 2010 and 1999.

Critical limits

Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “Tides Foundation”, its source revision and the description used here.
  2. Expand the search: follow Tides Foundation primary sources, Tides Foundation archive and Tides research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Tides Foundation”?
  2. Which institution is responsible for the underlying evidence?
  3. Which cited source is closest to the event, object or claim?
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Source & attribution

This entry incorporates text from Tides Foundation” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.