Jeff Halonen is the founder of Steelhead Technologies. Steelhead Technologies has raised $23M, latest Series B $13M (2025). SaaS · Calumet, MI.
Jeff Halonen is the founder of Steelhead Technologies. Steelhead Technologies operates in SaaS and is based in Calumet, MI. Steelhead Technologies has raised $23M, latest Series B $13M (2025). Backers on record include Andy Greenfield, TIA Ventures.
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 SaaS journeys in Calumet — who backed them, at what stage, and how much they raised.
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