US EditionBillionaire Cari Tuna on Why the Organization She Started Will Offer Free Advice to Other Donors
Coefficient Giving shifts to a pooled, multi-donor model with $200 million in commitments this year to increase philanthropic impact globally.
- On Nov 18, 2025, Open Philanthropy announced it will rebrand as Coefficient Giving to emphasize a multi-donor model and convert internal programs into funds like the $125 million Lead Exposure Action Fund.
- More than a decade ago, Tuna and Moskovitz set out to give away most of their wealth for maximal impact, with Good Ventures Foundation, their $10 billion private foundation, primarily funding Coefficient Giving.
- More than $200 million in commitments from other funders have arrived this year, while Coefficient has directed over $100 million to AI safety and LEAF distributed $40 million including $17 million to Pure Earth.
- Coefficient Giving will offer free advice to major donors and pooled funds donors have largely ceded governance, enabling the group to donate money faster than they’re making it.
- As part of a broader philanthropic shift, pooled funding is gaining traction among wealthy donors like Patrick Collison, Lucy Southworth and Bill Gates, with Coefficient Giving aiming to multiply donor impact.
16 Articles
16 Articles
Associated Press News
Billionaire Cari Tuna on why the organization she started will offer free advice to other donors
For more than 15 years, San Francisco-based billionaire Cari Tuna has strived to do the most good with the money she gives away.
One of the world’s most influential philanthropies is changing its name. Here’s why it matters.
Over the past decade, Open Philanthropy has been the rare philanthropic shop with both the resources and the rigor to make a dent in some of the world’s biggest problems. Working closely with Good Ventures — the foundation built by Facebook and Asana co-founder Dustin Moskovitz and his wife Cari Tuna — Open Philanthropy has directed more than $4 billion since 2014 across a wide portfolio, from global health to housing to frontier science. Its m…
Billionaires Are Jumping Into Coefficient Giving’s Pooled Philanthropy
Facebook cofounder Dustin Moskovitz and his wife Cari Tuna founded Open Philanthropy to identify charities that would create the biggest impact per dollar. Now, they’re changing its name and encouraging others to join.
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