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 holds his year-end press conference at Gostiny Dvor exhibition hall in central Moscow.
Russian President Vladimir Putin holds his year-end press conference at Gostiny Dvor exhibition hall in central Moscow.
The Liberian-flagged oil tanker Ice Energy (left) transfers crude oil from the Russian-flagged oil tanker Lana (right), off the coast of Greece, on May 29, 2022.
The Liberian-flagged oil tanker Ice Energy (left) transfers crude oil from the Russian-flagged oil tanker Lana (right), off the coast of Greece, on May 29, 2022.
Russian President Vladimir Putin gives a speech during the Victory Day military parade at Red Square in central Moscow.
Russian President Vladimir Putin gives a speech during the Victory Day military parade at Red Square in central Moscow.
A close-up photo of Putin's head and shoulders shows the Russian leader with a serious expression.
A close-up photo of Putin's head and shoulders shows the Russian leader with a serious expression.
Vladimir Putin meets with workers at a missile manufacturing plant in St. Petersburg.
Vladimir Putin meets with workers at a missile manufacturing plant in St. Petersburg.
Demonstrators and activists attend a vigil in support of Ukraine near European Union headquarters in Brussels on March 22.
Demonstrators and activists attend a vigil in support of Ukraine near European Union headquarters in Brussels on March 22.
Russian President Vladimir Putin
Russian President Vladimir Putin
A view of the Russian Central Bank headquarters in downtown Moscow on May 26.
A view of the Russian Central Bank headquarters in downtown Moscow on May 26.