https://summaryshelf.app/authors/patrick-lencioni/Recent content in Patrick Lencioni on SummaryShelfHugoen-usSat, 25 Jul 2026 00:00:00 +0000https://summaryshelf.app/five-dysfunctions-of-a-team/Sat, 25 Jul 2026 00:00:00 +0000https://summaryshelf.app/five-dysfunctions-of-a-team/<p>DecisionTech had everything a Silicon Valley start-up is supposed to need: the most experienced and expensive executive team imaginable, more cash than its rivals, better technology, top-tier investors. Two years in, it trailed two competitors on revenue and customers and had a reputation as one of the most political places to work in the Valley. Patrick Lencioni&rsquo;s fable drops a former car-plant executive, Kathryn Petersen, into the CEO chair, and her diagnosis never changes: the problem isn&rsquo;t strategy, technology, or money. The eight people at the top aren&rsquo;t a team. At an off-site in Napa she draws a pyramid on the whiteboard, filled in from the bottom:</p>