Joshua Meier co-founded Chai Discovery, a San Francisco biotech backed by OpenAI, Thrive Capital, DCVC and Menlo Ventures.
Joshua Meier is the founder of Chai Discovery. Chai Discovery operates in Biotech and is based in San Francisco, CA. Chai Discovery has raised $200M, latest Series B $130M (2025). Backers on record include Clay Hutmacher, Greg Brockman, Henry DuBose Montgomery, Joshua Kushner, Mark Siegel, DCVC and 3 others.
This founder profile draws on disclosed rounds, filings and investor records in the StartupFundraising database and is updated as new funding is recorded. Founders raising now use profiles like this one to study comparable Biotech journeys in San Francisco — who backed them, at what stage, and how much they raised.
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