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.

At a recent Yale CEO Summit, Prof. Jeffrey Sonnenfeld talked to business leaders about the AI tools and other new technologies appearing everywhere from back offices to fast-food kitchens. Sonnenfeld and co-author Steven Tian outline the looming changes in a variety of sectors.

Yale SOM’s Jeffrey Sonnenfeld writes that former president Trump and his followers have made no secret of their hostility to business or their plans to intervene in markets.

Yale SOM’s Jeffrey Sonnenfeld and Ambassadors John E. Herbst and William B. Taylor argue that $300 billion of frozen Russian assets in Western banks should be transferred to Ukraine to help reconstruct its devastated infrastructure.

Yale SOM leadership expert Jeffrey Sonnenfeld explains how effective business leaders make the best use of face-to-face meetings with employees around the world.

Yale SOM leadership expert Jeffrey Sonnenfeld and co-author Steven Tian write that the House Speaker displayed rare courage in learning on the job and defying extremists in his own party—and draw historical parallels to an ideological conversion that changed the course of the Cold War.