David Hoidal, chief of UAB Health System, will leave post

David Hoidal will resign as chief executive officer of University of Alabama-Birmingham Health System effective Jan. 4. The University of Alabama at Birmingham has not yet named replacement to head the system, which includes 908-bed UAB Hospital, the Kirklin Clinic, Callahan Eye Foundation Hospital, Viva Health, UAB Highlands, Health Services Foundation, Medical West in Bessemer and Montgomery Baptist hospitals.