J.C. Penney Co. Chief Executive Officer Mike Ullman was appointed to be chairman of the Federal Reserve Bank of Dallas, the Fed said in Washington while announcing leaders of its 12 regional banks.

Other new chairmen among the Fed’s 12 regional banks include James E. Nevels, founder and chairman, The Swarthmore Group, at the Philadelphia Fed; Sharon D. Fiehler, executive vice president and chief administrative officer, Peabody Energy Corp., at St. Louis; and Randall J. Hogan, chairman and chief executive officer, Pentair Ltd., at Minneapolis.

The 12 regional banks aid in supervising commercial banks and processing checks as well as reporting on regional business conditions. Their presidents rotate as voters on monetary policy decisions by the Federal Open Market Committee.

At the Philadelphia Fed, Michael Angelakis, vice chairman and chief financial officer of Comcast Corp., was named deputy chairman. At Atlanta, Thomas A. Fanning, chairman, president, and chief executive officer of Southern Co., was named deputy chairman.

At the St. Louis Fed, George Paz, chairman, president, and chief executive officer of Express Scripts Holding Co., was named deputy chairman.