Jeffrey A. Sonnenfeld
The Last Disgrace of the ‘Tiffany Network’
Yale SOM’s Jeffrey Sonnenfeld, with co-authors Steven Tian and Stephen Henriques, writes that the capitulation of CBS to the Trump administration is the final stage of a long decline for three storied brands.
Zelensky Must Protect Civil Society
Jeffrey Sonnenfeld and coauthors write that Ukrainian President Volodymyr Zelenksy’s recent moves against political rivals are self-defeating and dangerous missteps. They argue that he needs to show the courage to acknowledge mistakes and restore trust.
AI Is Getting Smarter—and Less Reliable
Yale SOM’s Jeffrey Sonnenfeld and author Joanne Lipman write that popular chatbots have proven susceptible to manipulation, groupthink, and hallucination.
Tim Cook Is Still the Right Leader for Apple
Yale SOM leadership expert Jeffrey Sonnenfeld and co-author Steven Tian argue that Cook’s unmatched track record makes him uniquely positioned to steer the company into its next phase of innovation and growth.
Can Mark Zuckerberg Spend His Way to AI Success?
Meta has lured a string of top researchers from rivals with nine-figure pay packages in an effort to close the gap with AI leaders like OpenAI, Anthropic, and Google. But splashy hires rarely end up rescuing flailing enterprises, write Yale SOM leadership expert Jeffrey Sonnenfeld and co-author Steven Tian.
What Happened When Five AI Models Fact-Checked Trump
President Donald Trump is an AI booster, write Yale SOM’s Jeffrey Sonnenfeld and co-authors Stephen Henriques and Steven Tian. So they thought it was fair to ask the leading chatbots to evaluate some of Trump’s frequently repeated claims.
The Problems with a Socialist Vision for NYC
Yale’s Jeffrey Sonnenfeld and co-authors suggest that some of New York City mayoral candidate Zohram Mamdani’s socialism-inspired proposals, such as city-owned grocery stores, are likely to run into inefficiencies and unanticipated downsides. They write that capitalism can be a better engine of progress.
Are We Witnessing the Implosion of the World’s Richest Man?
Elon Musk has less leverage in his battle with Donald Trump than he thinks, Yale SOM leadership expert Jeffrey Sonnenfeld and co-author Steven Tian write. But neither of the former allies can come away from this feud with a win.
Why JPMorgan Chase’s Jamie Dimon Could be the Right Candidate for President
Yale SOM leadership expert Jeffrey Sonnenfeld and co-author Stephen Henriques write that the CEO’s two decades as a pragmatic, stabilizing force make him an attractive alternative.
The Lessons from Pope Francis for the Class of 2025
Yale SOM leadership expert Jeffrey Sonnenfeld reflects on what the next generation of leaders can learn from the late pope.