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Jeffrey Sonnenfeld and Steven Tian speaking at the State Department.

At State Department, Yale SOM’s Jeffrey Sonnenfeld and Steven Tian Brief Foreign Press on Impact of Russia Sanctions

Sonnenfeld, the founder and CEO of the Chief Executive Leadership Institute, and Tian, CELI’s research director, have received wide attention for their research discussing the state of the Russian economy and evaluating claims that sanctions are causing agricultural shortages in the rest of the world.