Januar 05. 2023

Former US Ambassador to Russia Rejoins Mayer Brown

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John Sullivan, former deputy secretary of state and U.S. ambassador to the Russian Federation, rejoined Mayer Brown as a partner and co-leader of the firm’s national security practice, which he co-founded with fellow co-leader Raj De in 2015. Sullivan will split his time between the firm’s New York and Washington, DC, offices.

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