Meet the Millennial Meta Co-Founder and His Wife Giving Away $20 Billion
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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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Success Billionaires Meet the millennial Meta cofounder and ex-journalist wife giving away their $20 billion fortune
By Jessica Coacci Jessica Coacci Success Fellow Down Arrow Button Icon By Jessica Coacci Jessica Coacci Success Fellow Down Arrow Button Icon November 10, 2025, 12:08 PM ET Add us on 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 In the early 2000s, 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 in 2025 alone. Their goal is to donate as much as quickly as they can.
Moskovitz’s $10 billion 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 is worth $1.6 trillion. After Facebook, the cofounder went on to build his now- $3 billion project management platform Asana in 2008, where he recently stepped down as CEO .
Since 2011, Tuna has been chipping away at giving their wealth away, cofounding and becoming chair of Good Ventures , a philanthropic foundation. The couple has placed another $10 billion into the foundation.
The couple has signed The Giving Pledge
To solidify their commitment to giving, the couple were among the first donors to sign Gates’ and Warren Buffett’s Giving Pledge in 2010 when Cari was 25, making her the youngest signatory in the Pledge’s history.
The Giving Pledge invites the world’s wealthiest individuals and families to publicly commit to giving away at least 50% of their wealth to philanthropy, either during their lifetimes or in their wills. Despite hundreds of billionaires signing the Giving Pledge, not all have followed through.
“We will donate and invest with both urgency and mindfulness, aiming to foster a safer, healthier and more economically empowered global community,” Moskovitz wrote when pledging his efforts in 2010 .
Tuna funded pandemic prevention and AI safety research
After founding and chairing Good Ventures in 2011, Tuna guides the couple’s giving with Open Philanthropy, a funder and advisor that grew out of a partnership between GiveWell and Good Ven
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