It's officially "Chairman" Kevin Warsh , not "chair." The Federal Reserve website now lists Warsh as "chairman," not "chair," reversing the past 12 years when his predecessors Janet Yellen and Jerome Powell both chose to be called "chair." Before Yellen, the term "chairman" was used exclusively. No law or regulation governs what a chair is called, leaving it up to personal preference. The Federal Reserve Act references "chairman" of the Board of Governors and "vice chairman." It even names "