Jeffrey A. Sonnenfeld

Jeffrey A. Sonnenfeld is the Lester Crown professor in management practice and a senior associate dean at the Yale School of Management.

Articles by Jeffrey A. Sonnenfeld

Russian President Vladimir Putin gives a speech during the Victory Day military parade at Red Square in central Moscow.

The Dangerous Loophole in Western Sanctions on Russia

Argument

Jeffrey A. Sonnenfeld, Michal Wyrebkowski

September 7, 2023, 5:36 PM

A close-up photo of Putin's head and shoulders shows the Russian leader with a serious expression.

Putin’s Armor Has Been Pierced

Argument

Jeffrey A. Sonnenfeld, Jon M. Huntsman Jr., William F. Browder

June 24, 2023, 4:19 PM

Vladimir Putin meets with workers at a missile manufacturing plant in St. Petersburg.

The World Economy No Longer Needs Russia

Argument

Jeffrey A. Sonnenfeld, Steven Tian

January 19, 2023, 10:38 AM

Demonstrators and activists attend a vigil in support of Ukraine near European Union headquarters in Brussels on March 22.

How the Russian Oil Price Cap Will Work

Argument

Jeffrey A. Sonnenfeld, Steven Tian

September 6, 2022, 4:19 PM

Russian President Vladimir Putin

How to Take Down a Tyrant

Argument

Jeffrey A. Sonnenfeld, Steven Tian

August 10, 2022, 10:47 AM

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