This week's decision to keep interest rates on hold was not unanimous. For the first time in Jay Powell's tenure as Fed chair, there was a dissent: St. Louis Fed president James Bullard said the Fed should have cut rates by 25 basis points.
Minneapolis Fed president Neel Kashkari was even more dovish. (He was also present in the room, but doesn't get a vote until 2020.) Once the final decision was made, Kashkari went public with his position on Medium.