American Hospital Association president and CEO Rich Umbdenstock announced that he will retire at the end of this year. The AHA board of trustees has formed a search committee and engaged Korn Ferry to conduct the search for his successor. AHA Chair-elect Jim Skogsbergh, president and CEO of Advocate Health Care in Illinois, will lead the search committee. Umbdenstock has led the AHA since Jan. 1, 2007. www.aha.org