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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.

Donald Trump (center) with Jeffrey Sonnenfeld (left) and his Yale colleague Jacob Hacker (right) in Trump's office
Leadership
Exclusive: Donald Trump tells Yale’s Jeff Sonnenfeld why he should be President
By Jeffrey SonnenfeldSeptember 16, 2015
Blurred governance: Mylan’s illusions vs. BofA’s realities
Leadership
Blurred governance: Mylan’s illusions vs. BofA’s realities
By Jeffrey SonnenfeldSeptember 15, 2015
Republican Presidential Candidates Address 2015 Family Leadership Summit
Leadership
Why the ‘Dump Trump’ strategy is doomed
By Jeffrey SonnenfeldAugust 22, 2015
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
Success
Tennessee linebacker Arion Carter was suspended over a $427 flight—now he's donating that amount to charity for every tackle he makes this seasonplaceholder alt text
By Sydney LakeSeptember 9, 2026
Personal Finance
Current price of silver as of Monday, September 8, 2026placeholder alt text
By Joseph HostetlerSeptember 8, 2026
Economy
How Canada decided to hurt its own economy, raise its inflation—and most Canadians approved because they're so angry at Trumpplaceholder alt text
By Sasha RogelbergSeptember 8, 2026
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