Josh Stark, a key researcher and venture supervisor on the Ethereum Basis, the non-profit group that stewards growth of the Ethereum ecosystem, mentioned Thursday that he’s departing the group after 5 years.
Stark didn’t present a selected motive for his departure and mentioned in a submit on X that he has “no plans for the long run.” As an alternative, he’ll take some private time to deal with household and pals. He mentioned:
“The Ethereum ecosystem has reliably executed issues the world informed us have been unattainable. It’s simple to neglect how a lot actual concern and doubt there was that Ethereum would by no means launch, that decentralized finance (DeFi) would by no means work, or that Proof of Stake would by no means ship.”
He’s certainly one of 4 individuals listed as “Administration” on an organizational chart which reveals practically the entire Basis’s workers reporting in. Cointelegraph reached out to Stark about his departure, however didn’t obtain a response by the point of publication.
The departure of Stark from the Ethereum Basis represents probably the most high-profile exit from the group since Ethereum co-founder Vitalik Buterin introduced sweeping management adjustments and a brand new route for the Basis in 2025. A day earlier, one other Basis contributor, Trent Van Epps, introduced that he resigned final week.
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The Ethereum Basis obtained a shakeup in 2025
In January 2025, co-founder Vitalik Buterin introduced sweeping adjustments to the Ethereum Basis in response to rising criticism from the Ethereum group over the long-term route of the ecosystem.
Bringing in “recent” expertise to the group, better decentralization and creating the protocol for sooner transaction throughput and elevated transaction speeds have been amongst among the targets Buterin listed for the adjustments.
Nonetheless, the revamped Ethereum Basis wouldn’t have interaction in ideological disputes, foyer US lawmakers in Washington or signify “vested pursuits,” Buterin added.
“These items aren’t what EF does, and this is not going to alter. Folks in search of a unique imaginative and prescient are welcome to start out their very own orgs,” he mentioned.

The Ethereum Basis formally introduced new management in March 2025, including Hsiao-Wei Wang, an Ethereum Basis researcher, and Tomasz Stańczak, CEO of Nethermind, an Ethereum execution consumer, as co-directors of the group.
Stańczak stepped down from his function in February 2026, whereas Wang stays a member of the Ethereum Basis’s administration board, in line with its organizational chart.
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