Inside A Billionaire Couple’s Plan To Give Away A $20 Billion Facebook Fortune

Forbes

Influenced by effective altruist ideas, former journalist and wife of Facebook cofounder Dustin Moskovitz, Cari Tuna funded pandemic preparedness efforts long before Covid-19 and steered millions into AI safety research years before the launch of ChatGPT. Here’s what’s next.  Read the full story on Forbes: https://www.forbes.com.au/news/billionaires/this-billionaire-couple-has-a-plan-to-give-away-a-20-billion-facebook-fortune/  Subscribe to FORBES: https://www.youtube.com/user/Forbes?sub_confirmation=1  Fuel your success with Forbes. Gain unlimited access to premium journalism, including breaking news, groundbreaking in-depth reported stories, daily digests and more. Plus, members get a front-row seat at members-only events with leading thinkers and doers, access to premium video that can help you get ahead, an ad-light experience, early access to select products including NFT drops and more:  https://account.forbes.com/membership/?utm_source=youtube&utm_medium=display&utm_campaign=growth_non-sub_paid_subscribe_ytdescript  Stay Connected Forbes newsletters: https://newsletters.editorial.forbes.com Forbes on Facebook: http://fb.com/forbes Forbes Video on Twitter: http://www.twitter.com/forbes Forbes Video on Instagram: http://instagram.com/forbes More From Forbes:  http://forbes.com  Forbes covers the intersection of entrepreneurship, wealth, technology, business and lifestyle with a focus on people and success.

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00:00Today on Forbes, Inside a Billionaire Couple's Plan to Give Away a $20 Billion Facebook Fortune

00:07Carrie Tuna, along with her husband, Facebook co-founder Dustin Moskovitz,

00:14is one of the most generous philanthropists in the world. She says that artificial intelligence

00:18is like nuclear energy. She explains that early accidents led to nuclear being quote

00:24essentially regulated out of existence in the U.S., stalling the industry for decades.

00:30If there had been more thoughtful regulation earlier, those accidents could have been avoided

00:34and there might have been more room for innovation and more progress towards mitigating climate change.

00:41That's where philanthropy can step in. A decade ago, the young couple, Tuna is now 40 years old

00:47and Moskovitz is 41, helped donate $1 million to the Future of Life Institute to reduce AI risk.

00:55Then they poured $30 million into OpenAI's non-profit in 2017 through their foundation,

01:01and Moskovitz invested in Anthropik's $124 million funding round in 2021.

01:07Back then, both labs preached a laser focus on AI safety.

01:12Neither the couple nor their foundation own a stake in OpenAI.

01:16Their Anthropik stake, worth an estimated $500 million, was moved into a non-profit vehicle in early 2025,

01:24so, she says, they could invest any quote significant financial return back into philanthropy

01:29and quote dispel any perception of conflict of interest.

01:34Their early focus on AI stems from the powerhouse tech couple's embrace of effective altruism,

01:40although Tuna prefers to quote, emphasize the ideas over the label.

01:46The movement got a lot of unwanted attention because of its ties to now-jailed crypto-titan Sam Bankman-Fried,

01:52but it essentially uses evidence and reason to identify the most effective ways to help others

01:57with a big focus both on proven, cost-effective short-term solutions

02:01and on long-term, potentially catastrophic risks, like AI.

02:06In fact, when they backed OpenAI and Anthropik, both were in their early stages

02:11and found it in part on effective altruist principles to create safe AI models that quote,

02:17benefit all of humanity.

02:19Much has changed in the world's embrace of AI with massive deals being struck every day.

02:25But Tuna and Moskovitz aren't distracted from their mission,

02:28ramping up grants that could make AI models safer.

02:32The couple's evidence-based giving is not limited to AI.

02:37In fact, the largest share of the couple's giving so far

02:39has gone to cost-effective global health interventions,

02:43including malaria, vitamin A deficiency, and clean water,

02:46all of which have taken on increased urgency amid Trump administration's cuts to USAID.

02:53Tuna and Moskovitz have said they want to give away the vast majority of their entire fortune

02:58as quickly as they can, although that's proving to be challenging since it keeps growing.

03:03They've already donated more than $4 billion, including more than $600 million in fiscal 2025.

03:10They have another $11 billion, Moskovitz's personal fortune,

03:14and approximately another $10 billion already in their private foundation,

03:18the Good Ventures Foundation, plus more in donor-advised funds.

03:23While Moskovitz has made the money, Tuna has been working on giving it away.

03:28She has spearheaded the couple's philanthropy since 2011,

03:31while her husband built up his second startup, Asana.

03:35Most of the couple's giving flows through Good Ventures Foundation and donor-advised funds.

03:41Almost all grants are recommended by Open Philanthropy,

03:44which Tuna spun out of GiveWell in 2017, and Chairs.

03:48On Tuesday, Open Philanthropy announced it is rebranding as Coefficient Giving,

03:55and emphasizing to the public what Tuna and Moskovitz always wanted it to be,

03:59a multi-donor effort that aims to use and advise charitable donations for maximum impact.

04:05Tuna says that the vision was always to make this, quote,

04:09not just for Dustin and me, but also for other donors.

04:12And with Coefficient that's in the name,

04:14Coe reflects its status as a multi-donor organization,

04:18and Efficient emphasizes its focus on cost-effectiveness.

04:22And Coefficient is a math term for a number that multiplies the value of what it's paired with.

04:28More than $200 million in commitments to Open Philanthropy's initiatives this year

04:32have come from fellow billionaires,

04:35including Stripe co-founder Patrick Collison

04:37and Lucy Southworth, Google co-founder Larry Page's wife.

04:41They've helped seed two themed $100 million-plus funds,

04:45the Lead Exposure Action Fund, or LEAF, launched last year,

04:49and the Abundance and Growth Fund, launched in March.

04:54For full coverage, check out Phoebe Lew's piece on Forbes.com.

04:59This is Kieran Meadows from Forbes.

05:02Thanks for tuning in.

05:11Kieran Meadows from Forbes.

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