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The_Info_Web/20 - ORGANIZATIONS/PRIVATE/Good Ventures.md

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category aliases tags summary start location relations created updated
Private Organization
Good Ventures Foundation
Good Ventures LLC
Organization
GoodVentures
DustinMoskovitz
CariTuna
EffectiveAltruism
OpenPhilanthropy
Philanthropy
Private foundation of Dustin Moskovitz and Cari Tuna, founded in 2011 within a web of LLCs and donor-advised funds, which built GiveWell Labs into Open Philanthropy and held about 10 billion dollars in 2025. 2011 Palo Alto, California
type with reverse start fn
founded Dustin Moskovitz true 2011 1
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founded Cari Tuna true 2011 1
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head_of Cari Tuna true president, later also board chair 2
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member_of Divesh Makan true director 2
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funded GiveWell 2011 first grant, 50,000 dollars; about 60 percent of the money GiveWell had moved by 2018 1
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funded Open Philanthropy nearly all of its grant money 6
2026-06-20 2026-09-23

Good Ventures is the private foundation of Facebook and Asana cofounder Dustin Moskovitz and his wife Cari Tuna. When the couple became the youngest billionaires to sign the Giving Pledge, in 2010, he was a 26-year-old Harvard dropout who had made his fortune in four years at Facebook as its first chief technology officer, and she was a 25-year-old Yale graduate reporting for The Wall Street Journal on the California economy. With Moskovitz occupied with Asana, Tuna quit journalism to manage their giving, and they founded Good Ventures in 2011. Moskovitz's net worth was estimated at about 14.3 billion dollars at the end of 2017, and the couple said they intended to give away nearly all of it in their lifetimes; he said, "Cari and I are stewards of this capital. It's pooled up around us right now, but it belongs to the world."1

Filings and Officers

The Good Ventures Foundation, EIN 46-1008520, received its tax exemption in March 2013 and files its returns in care of Apercen Partners LLC at 314 Lytton Avenue, Palo Alto. The officers on every return since 2015 have been Tuna, president and later also board chair; Moskovitz, secretary and treasurer; and Divesh Makan, director, none of them paid; the 2025 return also lists Tom Van Loben Sels as assistant secretary.2 Makan is the sole member of the general partner of ICONIQ Capital, the San Francisco investment firm.3

The Structure

In 2018 the Stanford Social Innovation Review writer Marc Gunther counted seven entities in which Tuna served as a director or major donor: the Open Philanthropy Project LLC, which recommended grants; the Open Philanthropy Action Fund, a 501(c)(4) "that supports nonpartisan advocacy"; the Open Philanthropy Project fund, a donor-advised fund at the Silicon Valley Community Foundation; the Good Ventures Foundation, which made grants and investments; Good Ventures, a supporting organization also at the community foundation; Good Ventures LLC, "a for-profit impact investment firm"; and GiveWell. Alexander Berger of Open Philanthropy told him that "each has a reason for being" and that "tax considerations are key." Gunther wrote that grants made through the donor-advised funds "can't be traced back to the original donors," that the entities disclosed some but not all of their investments, and that Open Philanthropy did not disclose its operating costs or the pay of its highest-paid staff. Outside these structures, Moskovitz and Tuna were investors in Bill Gates's Breakthrough Energy Ventures.1 The Open Philanthropy Action Fund has reported paying outside lobbyists every year from 2021 through 2026, Tarplin, Downs & Young and Arnold & Porter in 2021 and the Kyle House Group from 2023, on foreign relations, health and appropriations.4

GiveWell and Open Philanthropy

A friend introduced Tuna to Holden Karnofsky, who with Elie Hassenfeld had founded the charity evaluator GiveWell in 2007 after working at the hedge fund Bridgewater Associates. Tuna joined GiveWell's board in 2011. Good Ventures' first grant, of 50,000 dollars, went to GiveWell that year, with another 1.1 million dollars to GiveWell-recommended charities, chiefly the Against Malaria Foundation and the Schistosomiasis Control Initiative. By 2018 Good Ventures accounted for about 60 percent of the estimated 375 million dollars GiveWell had moved to its recommended charities. In 2012 GiveWell moved its office and staff of five from New York to San Francisco "to be closer to Tuna and other technology-industry donors."1 The joint project Open Philanthropy, launched in 2012, was renamed the Open Philanthropy Project in August 2014 and spun off from GiveWell in June 2017, keeping overlapping boards and staff and shared offices.15 Good Ventures gave 70.4 million dollars through GiveWell in 2015, 50.4 million in 2016 and 75.1 million in 2017.5

Open Philanthropy, renamed Coefficient Giving in November 2025, draws nearly all of its grant money from Good Ventures.6 Its grantees include OpenAI, which received 30 million dollars in 2017 with a board seat for Karnofsky; the Center for Security and Emerging Technology; the RAND Corporation; the Center for AI Safety; Redwood Research; the Horizon Institute for Public Service, which pays technology fellows placed in Congress and federal agencies; and the Tarbell Center for AI Journalism, which pays journalists placed in newsrooms.7 It had given away about 7 billion dollars by September 2026.8

Assets

The foundation's assets were 27 million dollars in the fiscal year ending June 2013, 1.02 billion in 2017, 3.34 billion in 2020, 5.86 billion in 2023 and 10.11 billion in 2025. Contributions received were 1.02 billion dollars in fiscal 2020, 1.91 billion in 2023, 801 million in 2024 and 1.40 billion in 2025, when it also reported 847 million dollars from sales of assets and paid 338 million dollars in charitable disbursements.2 In 2026 it held 1,720,916 Class A shares of Asana, the company Moskovitz controls; Asana's proxy statement said that Moskovitz and "his spouse serve as directors on the board of Good Ventures Foundation and may be deemed to have shared voting and dispositive power" over them. The same proxy disclosed that Asana bought 1.1 million dollars of AI services from Anthropic, in which Moskovitz "has a minority ownership interest."9 In April 2026 the Washington Examiner reported that in 2025 Moskovitz had transferred his Anthropic stake, "which had reportedly grown to roughly $500 million, to his charity to avoid the appearance of conflicts of interests," without naming the entity.10

Footnotes

  1. Gunther, Marc. "Giving in the Light of Reason." Stanford Social Innovation Review, Summer 2018. https://ssir.org/articles/entry/giving_in_the_light_of_reason ↩︎

  2. ProPublica Nonprofit Explorer, "Good Ventures Foundation," EIN 46-1008520, Form 990-PF data for fiscal years ending June 2013 to June 2025, updated August 20, 2026. https://projects.propublica.org/nonprofits/organizations/461008520 ↩︎

  3. ICONIQ Capital, LLC, and others, Schedule 13G regarding Diameter Credit Co, November 13, 2024, U.S. Securities and Exchange Commission. https://www.sec.gov/Archives/edgar/data/1916099/000101143824000605/form_sc13g-diameter.htm ↩︎

  4. U.S. Senate, Lobbying Disclosure Act database, filings for client "Open Philanthropy Action Fund," 2021 to 2026, retrieved September 2026. https://lda.senate.gov/api/v1/filings/?client_name=Open+Philanthropy+Action+Fund ↩︎

  5. GiveWell, "Our Progress," on GiveWell Labs, the 2014 rename, the 2017 spin-off and annual Good Ventures totals. https://www.givewell.org/about/progress ↩︎

  6. "Open Philanthropy Becomes Coefficient Giving, Expanding Work With Multiple Donors," Coefficient Giving, November 2025. https://coefficientgiving.org/research/press-release-open-philanthropy-becomes-coefficient-giving-expanding-work-with-multiple-donors/ ↩︎

  7. Bordelon, Brendan. "How a billionaire-backed network of AI advisers took over Washington." Politico, October 13, 2023, http://web.archive.org/web/20250902172514/https://www.politico.com/news/2023/10/13/open-philanthropy-funding-ai-policy-00121362 ; Open Philanthropy, "OpenAI, General Support," March 2017, archived January 1, 2025, http://web.archive.org/web/20250101012608/https://www.openphilanthropy.org/grants/openai-general-support/ ; Tarbell Center for AI Journalism, "Ethics and Standards policies," February 20, 2026. https://www.tarbellcenter.org/ethics-and-standards ↩︎

  8. Smith, Ben. "Coefficient Giving's CEO on Silicon Valley's $40 billion philanthropy boom." Semafor, September 3, 2026. https://www.semafor.com/article/09/03/2026/coefficient-givings-ceo-on-silicon-valley-40-billion-philanthropy-boom ↩︎

  9. Asana, Inc. Schedule 14A definitive proxy statement, filed April 20, 2026. https://www.sec.gov/Archives/edgar/data/1477720/000162828026025998/asan-20260420.htm ↩︎

  10. Schmad, Robert. "Documents show how a tech-connected nonprofit shaped Biden-era AI policy." Washington Examiner, April 17, 2026. https://www.washingtonexaminer.com/news/investigations/4532389/ ↩︎