who is the longest-serving elected head of state in the european union
Jean-Claude Juncker By the time he left office, he was the longest-serving head of any national government in the EU, and one of the longest-serving democratically elected leaders in the world, his tenure encompassing the height of the European financial and sovereign debt crisis.[1] From 2005 to 2013, Juncker served as the first permanent President of the Eurogroup.
Chair of the Federal Reserve The chair is chosen by the President of the United States from among the members of the Board of Governors; and serves for four-year-terms after appointment. A chair may be appointed for several consecutive terms. William Martin was the longest serving chair, holding the position from 1951 to 1970.