The Turner Corp. recently announced several key organization changes and promotions. Peter J. Davoren is the new president of Turner Construction Co., succeeding Robert F. Fee, who will be retiring in December. Rodney J. Michalka is now executive vice president of Turner Corp. in charge of key business initiatives; Donald G. Sleeman is promoted to executive vice president, in his role as chief financial officer; and James C. McKenna is senior vice president and general manager of Turner’s New York business unit, succeeding Davoren.