President Donald Trump today nominated Sidley Austin partner David Anderson to be the U.S. attorney for the Northern District of California.

Anderson, who previously served as the office’s second-in-command under Joseph Russoniello, had been considered a front-runner for getting the nod. If confirmed by the U.S. Senate, however, he’ll be the face of federal law enforcement in a region where the president’s signature immigration policies are politically unpopular.