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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.

    A water tower on the Paramount movie lot
  • 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.‌

    Protestors in Ukraine
  • 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.

    A toy robot lying on its side
  • 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.

    Tim Cook at an Apple event
  • 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.

    Mark Zuckerberg demoing Meta's augmented reality glasses
  • 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.

    Sam Altman of OpenAI speaking at the White House
  • 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.

    Zohran Mamdani speaking to supporters on election night.
  • 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.

    Elon Musk
  • 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.

    Jamie Dimon silhouetted in a doorway
  • 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. ‌

    Pope Francis greeting a crowd in St. Peter’s Square