Biz Stone's net worth draws attention in 2025

Biz Stone, co-founder of Twitter, has gained attention for his net worth in 2025. His wealth comes from his extensive career in tech, including various startups and investments. Stone recently joined the board of Mastodon's U.S. nonprofit, a decentralized social network gaining popularity as an alternative to Twitter. This reflects his ongoing involvement in social media. In addition to Twitter, Stone co-founded Medium and Jelly, and he leads The Obvious Corporation, which develops digital tools. He also supports startups through Obvious Ventures.