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.

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, even as their wealth continues to inflate.

Moskovitz’s $10 billion fortune traces back to his early days at Facebook w

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