Jeffrey A. Sonnenfeld

Jeffrey Sonnenfeld writes that WeWork founder Adam Neumann’s sale of $700 million of his ownership indicates a lack of faith in his own company as it heads toward an IPO.

What drove Lee Iacocca? Yale’s Jeffrey Sonnenfeld explains the man behind both the iconic vehicles and the PR machine.

Yale SOM's Jeffrey Sonnenfeld says the positive nature of discussion at the recent economic summit in Bahrain was a welcome sign of new optimism in the region.

The proposed merger between Renault and Fiat Chrysler would create the world's third-largest automaker and could reshape the future of electric and self-driving cars. But Yale SOM's Jeffrey Sonnenfeld writes that the merger is a fundamentally human drama.

Yale SOM’s Jeffrey Sonnenfeld points to research on the strengths of older people and the accomplishments of politicians and business leaders in their 60s, 70s, and 80s.

Yale’s Jeffrey Sonnenfeld argues that Elon Musk’s recent performance demonstrates that he doesn’t get the importance of fulfilling expectations.

Today’s C-suite is crowded with executive titles, Yale SOM’s Jeffrey Sonnenfeld writes. The result, he argues, is a dilution of leadership and confusion about who is really in charge.

Yale SOM’s Jeffrey Sonnenfeld writes that the the arrest of the Renault-Nissan-Mitsubishi chief reveals much about Japan’s system of business-government central planning.

Tesla's board needs to wake up and take the wheel of the auto manufacturer before it's too late, writes Prof. Jeffrey Sonnenfeld.

Prof. Jeffrey Sonnenfeld, an expert on leadership, writes that events of the last few years have helped illuminate which top executives have the courage to take a stand based on principle.