Today Janet Yellen announced that she will be leave the Fed entirely when Jay Powell is confirmed as the next Federal Reserve Chairman, she had the option of staying on as a governor. It was widely expected that Yellen would stay on, though there was some thought that her ideological similarity with Powell made it possible she could have stayed on the Federal Reserve Board.
This move gives Trump yet another spot to fill at the Fed, which will make five total during his presidency. He filled one of those spots earlier this year when Randal Quarles, a former Bush Treasury official, was confirmed by the Senate.
