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Meet the Millennial Meta Co-Founder and His Wife Giving Away $20 Billion
webCredibility Rating
3/5
Good(3)Good quality. Reputable source with community review or editorial standards, but less rigorous than peer-reviewed venues.
Rating inherited from publication venue: Fortune
Relevant to AI safety funding landscape: Dustin Moskovitz and Cari Tuna's Open Philanthropy is one of the largest funders of AI safety research, making their philanthropic strategy and scale directly pertinent to the field's resource environment.
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Importance: 30/100news articlenews
Summary
Dustin Moskovitz, Meta co-founder, and his wife Cari Tuna are committed to donating their entire $20 billion fortune through Good Ventures and Open Philanthropy. The couple signed the Giving Pledge in 2010 and have donated over $4 billion to date, including $600 million in 2025 alone. Their philanthropy is notably focused on effective altruism causes including AI safety and global catastrophic risks.
Key Points
- •Moskovitz and Tuna have donated over $4 billion total, with $600 million given in 2025 alone, aiming to give away their full $20 billion fortune.
- •Tuna co-founded Good Ventures in 2011 and chairs Open Philanthropy, which has become a major funder of AI safety research.
- •The couple were among the earliest signatories of the Giving Pledge in 2010, with Tuna being the youngest signatory at age 25.
- •Moskovitz stepped down as Asana CEO in 2025 to focus more on philanthropic priorities.
- •Open Philanthropy is a significant institutional funder of AI safety organizations including Anthropic, MIRI, and others.
Cited by 3 pages
| Page | Type | Quality |
|---|---|---|
| Anthropic (Funder) | Analysis | 65.0 |
| EA Shareholder Diversification from Anthropic | Concept | 60.0 |
| Dustin Moskovitz | Person | 49.0 |
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# Meet the millennial Meta cofounder and ex-journalist wife giving away their $20 billion fortune
By
[Jessica Coacci](https://fortune.com/author/jessica-coacci/)
Jessica Coacci
Success Fellow
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By
[Jessica Coacci](https://fortune.com/author/jessica-coacci/)
Jessica Coacci
Success Fellow
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November 10, 2025, 12:08 PM ET
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2023 (Dustin) and 2014 (Cari) The couple has donated more than $4 billion total, including more than $600 million in 2025 alone.
left: Stefanie Keenan—Getty Images; right: Marvin Joseph—The Washington Post/Getty Images
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In the early 2000s, [Dustin Moskovitz](https://fortune.com/2023/06/12/asana-ceo-ai-make-work-more-human-tech-careers-dustin-moskovitz/) helped build Facebook alongside Mark Zuckerberg, transforming the startup into a global tech empire. Now, he and his wife, former journalist Cari Tuna, are devoting their lives to giving their money away.
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Tuna, 40, met Moskovitz, 41, in 2009, surviving on an entry-level journalist salary at _The Wall Street Journal_, where she covered enterprise tech and California’s economy. Moskovitz had a philanthropic mindset early on, and Tuna turned that vision into action.
Since then, the couple has donated more than $4 billion total, including more than [$600 million](https://www.forbes.com/sites/phoebeliu/2025/11/07/cari-tuna-billionaire-open-philanthropy-facebook/) in 2025 alone. Their goal is to donate as much as quickly as they can.
Moskovitz’s [$10 billion](https://www.forbes.com/profile/dustin-moskovitz/) fortune traces back to his early days at Facebook when he helped launch the platform with his then-roommate Zuckerberg in 2004. Today, Facebook’s parent company [Meta](https://fortune.com/company/facebook/) is worth [$1.6 trillion.](https://stockanalysis.com/stocks/meta/market-cap/) After Facebook, the cofounder went on to build his
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