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Jeffrey Sonnenfeld

Jeffrey Sonnenfeld is the Lester Crown Professor in Management Practice and Senior Associate Dean at Yale School of Management.

Carly Fiorina, 2016 Republican Presidentail candidate
Leadership
Carly Fiorina as a boss: The disappointing truth
By Jeffrey SonnenfeldAugust 14, 2015
Cisco CEO John Chambers at Fortune Brainstorm Tech 2014
Leadership
CEO exit schedules: A season to stay, a season to go
By Jeffrey SonnenfeldMay 6, 2015
Brian Williams unanchored: A path to career recovery
Leadership
Brian Williams unanchored: A path to career recovery
By Jeffrey SonnenfeldFebruary 13, 2015
McDonald’s deserves a break today
Leadership
McDonald’s deserves a break today
By Jeffrey SonnenfeldFebruary 9, 2015
power ego trip
Leadership
The hero complex: A common, curable leadership malady
By Jeffrey SonnenfeldFebruary 2, 2015
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Most Popular
Energy
Michael Dell’s son built a $13 billion home battery business—and he’s going on 30 years oldplaceholder alt text
By Jordan BlumAugust 6, 2026
Environment
Leo DiCaprio teams with Jeff and Lauren Sanchez Bezos on $200 million plan to save 100 endangered speciesplaceholder alt text
By The Associated PressAugust 5, 2026
Success
Crypto billionaire Michael Saylor says he made $15 billion last year with ChatGPT—and has one rule: 'Don't try to outwork the robots'placeholder alt text
By Preston ForeAugust 6, 2026
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