Summary. In 2006, Harvard Business School’s Michael E. Porter and Nitin Nohria launched a study tracking how large companies’ CEOs spent their time, 24/7, for 13 weeks: where they were, with whom, what they did, and what they were focusing on. To date Porter and Nohria have gathered 60,000 hours’ worth of data on 27 executives, interviewing them—and hundreds of other CEOs—about their schedules. Th
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