Jeffrey A. Sonnenfeld

The decision to send a delegation to Russia is only the latest pro-authoritarian move from the organization. Yale SOM’s Jeffrey Sonnenfeld, co-author Steven Tian, and Tymofiy Mylovanov and Nataliia Shapoval of the Kyiv School of Economics write that a change in leadership is long past due.

Yale SOM leadership expert Jeffrey Sonnenfeld and co-author Stephen Henriques write that in the upcoming debate, the Democratic nominee can and should argue that the economy has boomed under the Biden-Harris administration.

Professor Jeffrey Sonnenfeld and co-author Stephen Henriques analyze the policies proposed by the Democratic ticket.

Yale SOM leadership expert Jeffrey Sonnenfeld and co-author Stephen Henriques argue that there are good reasons why a disproportionate number of major businesses are headquartered in Minnesota.

For more than two decades, the coffee empire has tried and failed to find a lasting successor to longtime CEO Howard Schultz. Yale SOM leadership expert Jeffrey Sonnenfeld, with co-authors Steven Tian and Stephen Henriques, provides an insider’s view of the drama and explains why Chipotle’s Brian Nicoll might be the right person for the job.

Yale SOM leadership expert Jeffrey Sonnenfeld writes that Kamala Harris and Tim Walz are demonstrating a genuine chemistry, while Donald Trump is already distancing himself from J. D. Vance.

Professor Jeffrey Sonnenfeld, co-author Steven Tian, and investor and analyst Whitney Tilson write that the pattern is familiar from Trump’s term in office, when his remarks frequently swayed markets—usually for the worse.

In analyzing President Joseph Biden’s decision not to run for reelection, Yale leadership expert Jeffrey Sonnenfeld sees the underlying quest for heroic mission and stature that drives many epoch-shaping leaders—and often makes succession a tricky affair.

Prof. Jeffrey Sonnenfeld and two Yale SOM colleagues write that the selection of J. D. Vance as vice presidential nominee reflects Trump’s worst anti-business instincts.

Yale leadership expert Jeffrey Sonnenfeld and his co-author Steven Tian argue that President Joseph Biden has a strong record of economic accomplishment, and he should tout that at the first presidential debate rather than rely on populist attacks on big business.