Warrendale, Pa. — rue21, inc., a leading specialty apparel retailer, has appointed CFO Keith McDonough as interim chief executive officer, succeeding Bob Fisch. McDonough will serve in this interim role as the board of directors conducts a search for a new CEO. McDonough, who has served as the CFO of rue21 for 13 years, has more than three decades of senior leadership experience in the retail industry.