Aaron Katz is the founder of ClickHouse. ClickHouse has raised $640M, latest Series D $400M (2026). Developer Tools · Palo Alto, CA.
Aaron Katz is the founder of ClickHouse. ClickHouse operates in Developer Tools and is based in Palo Alto, CA. ClickHouse has raised $640M, latest Series D $400M (2026). Backers on record include Amish Jani, Chow Kiat Lim, Gavin Tasker, Giuseppe Zocco, Mary Meeker, Nico Rosberg and 8 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 Developer Tools journeys in Palo Alto — who backed them, at what stage, and how much they raised.
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