Bill Kerr’s founder newsletter focused on building companies, entrepreneurship, business lessons, technology, and practical operator perspectives. Open Source CEO is published from Bill Kerr on a weekly cadence and focuses on founders, startups and business building.
It is aimed at founders. It is free to read. Public sources put its audience in the 250K–500K subscriber range.
Open Source CEO accepts sponsorships through a dedicated advertise page. Formats include newsletter ads and sponsored sections. Pricing is quoted on request. Listing details were last verified in September 2026.