Simon Seojoon Kim is the founder of Stream. Stream has raised $228M, latest Series D $90M (2026). Developer Tools · Boulder, CO.
Simon Seojoon Kim is the founder of Stream. Stream operates in Developer Tools and is based in Boulder, CO. Stream has raised $228M, latest Series D $90M (2026). Backers on record include Seojoon Kim, Hashed.
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 Boulder — who backed them, at what stage, and how much they raised.
Full founder directory · Investor directory · Company funding database · Fundraising library