Ken Hicks is leaving his position as president and chief merchandising officer at JC Penney Co. Inc. to become president and CEO at specialty retailer Foot Locker Inc. JC Penney said Hicks, who has held his position there since 2005, will serve his last day on July 6. Myron Ullman, chairman and CEO, will assume Hicks' responsibilities while an executive search is being conducted. Hicks will also resign his position on the JC Penney board of directors.