Jeffrey Sonnenfeld

@jeffsonnenfeld.bsky.social

Yale SOM Lester Crown Professor in Practice of Management, Founder of Yale Chief Executive Leadership Institute (CELI) -- jeffrey.sonnenfeld.celi@yale.edu

In @fortune.com - Careful what you bid for: The Ellisons’ PSKY/WBD deal is slipping toward a costly legal and financial cliff - During the bidding war, we called it a lose-lose proposition. The coin landed PSKY's way, and the levy for calling the toss may still come due fortune.com/2026/08/03/p...

Careful what you bid for: The Ellisons' Paramount/WBD deal is slipping toward a costly legal and financial cliff | Fortune

With free cash flow at just $96 million, the $110 billion Warner Bros. bid faces a ticking fee Paramount can barely afford as states want a 2027 trial.

fortune.com

In @TIME - Why It Is Time for the West to Crush Putin’s War Economy - The NATO gathering promoted a fiction of joint action and self-congratulation...the private sector has fought this war with greater consistency and courage than the many governments praising each other. time.com/article/2026...

Why It Is Time for the West to Crush Putin’s War Economy

Corporations walked away from Russia in historic numbers. Governments loosened sanctions just as the pressure was working.

time.com

In TIME - Which Side Are You On? Swift, Trump, and America's 250th - Swift and Trump are entertainers, multi-billionaires, unrelenting self-promotion machines. Yet one stands for honest, self-made success... The other for inherited wealth, anger, divisiveness, corruption... time.com/article/2026...

Which Side Are You On? Swift, Trump, and America's 250th

"Swift stands for success through competence, talent, and the joyous embrace of all that American society can be. Trump stands for inherited wealth, anger, divisiveness, and corruption," writes Jeffre...

time.com

In @fortune.com - Patching the AI Policy Patchwork: Most AI Bills Lack Clarity and Coherence - The common failure is the lack of a structured method to determine whether a proposed rule addresses the gap. Our 3-stage test offers a clear solution... fortune.com/2026/05/15/a...

The U.S. has 1,200 AI bills and no good test for any of them | Fortune

Yale's Jeffrey Sonnenfeld and Stephen Henriques and NYU's Gary Marcus offer a method for separating necessary AI regulation from legislative noise.

fortune.com

In @fortune.com - Why your data infrastructure, not your AI model, will determine whether Agentic AI scales - "Agentic AI has attracted much attention...but the public remains fixated on what systems can do, not the conditions required to deploy." fortune.com/2026/04/30/a...

Why your data infrastructure — not your AI model — will determine whether Agentic AI scales | Fortune

Most enterprises are burning AI budgets on tools they're not ready to use. The constraint isn't compute — it's the messy, siloed data underneath.

fortune.com

In @fortune.com - America’s CEOs have become reluctant guardians of democracy - "...the architecture of trust a functioning democracy requires has buckled, and capitalism remains one of the few forces with the reach and the credibility to fill the gap" fortune.com/2026/04/06/c...

America's CEOs have become reluctant guardians of democracy | Fortune

As "No Kings" protests draw millions and institutional trust collapses, America's business leaders may be democracy's last credible line.

fortune.com

New book : Trump's Ten Commandments by Jeffrey Sonnenfeld with Steven Tan sets out Trump’s playbook & how he plays suckers. Should be required learning by all Democrats and others wanting to beat him at his own game/s. (I’m unaffiliated in any way). In essence, hold your nerve and focus. He folds.