Steven Tian

Yale SOM leadership expert Jeffrey Sonnenfeld and co-author Steven Tian argue that Apple is executing a model succession, with the transition from Tim Cook to John Ternus positioning the company to embed AI at scale across its global hardware ecosystem.

The president’s relentless self-branding is intended to signal success and sustain authority, Yale SOM’s Jeffrey Sonnenfeld and Steven Tian argue, but beneath the gold-plated surface lies a deeper fragility.

In an excerpt from his new book, Yale SOM leadership expert Jeffrey Sonnenfeld describes his personal history with Donald Trump and argues that the 45th and 47th president’s seemingly chaotic approach masks a consistent, if unconventional, strategic playbook.

In recent weeks, Yale SOM leadership expert Jeffrey Sonnenfeld and co-author Steven Tian write, the president’s usual approach of bullying with coercion, threats, and retribution has backfired on multiple fronts.

When Donald Trump meets with Vladimir Putin about the war in Ukraine this week, write Yale SOM’s Jeffrey Sonnenfeld and co-author Steven Tian, he should remember that he has a key piece of leverage: Russia’s economy is struggling, and the U.S. can push it off the cliff.

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.

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.‌

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.

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.

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.