What Phyl Terry thinks about mental models
Author of Never Search Alone and founder and CEO of Collaborative Gain, which runs councils for senior product leaders and GMs; earlier CEO of the product consultancy Creative Good and on the founding team of the first company Amazon acquired.
Phyl Terry did not write this page.
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1 dated position, 2026, in their own words. Our reading of what Phyl Terry has said — not written or endorsed by them.
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Our readingMany billionaires would benefit from Buffett's habit of drawing his circle of competence narrowly.
Their wordsOne of the things I most love about Buffett is that he draws his circle of competence very narrowly. He knows what he knows, and he knows there are plenty of things he doesn't understand. I can think of many billionaires who could benefit from Buffett's example.