The former co-leader of Mayer Brown’s national security practice will be the Trump administration’s nominee to serve as the U.S. ambassador to Russia, the White House said on Friday.

John Sullivan John Sullivan

John J. Sullivan has been serving as the U.S. Senate-confirmed second-in-command at the U.S. State Department since mid-2017. Sullivan would succeed Jon Huntsman as ambassador. Huntsman, who resigned in August, is reportedly mulling a run as governor of Utah.