Founder & CEO Watch
Study the thinking behind the decisions.
Public business writing, shareholder letters and founder lessons.
Primary Source / management perspectiveBerkshire Hathaway shareholder letters
Read the original annual letters as a dated record of management’s reasoning. Compare an argument with later disclosures instead of treating it as a universal rule.
Primary Source Berkshire Hathaway · Historical archive; dates vary by letter
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Opinion / founder guideStartup Playbook
Use founder advice to formulate a testable next step. Company stage, market and timing affect whether advice applies.
Opinion Sam Altman · Undated reference; checked 14 September 2026
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