Cynthia Ann Grenninger, American critical care nurse. Registered Nurse, Pennsylvania; Certified Emergency Nurse; certified American Council of Learned Societies provider/instructor, CPR instructor/trainer. Board directors American Heart Association, Lock Haven. Member American Association of Critical Care Nurses, Pennsylvania Organization Nurse Leaders (member council), Emergency Medical Systems.
Staff nurse Intensive Care Unit Great Falls (Montana) Deaconess Hospital, 1972-1973. Staff nurse, charge nurse critical care, emergency Lock Haven (Pennsylvania) Hospital, 1973-1985. Staff nurse critical care unit Williamsport Hospital & Medical Center, 1985-1992.
Clinical nurse instructor Williamsport (Pennsylvania) Hospital, 1992-1995. Director Intensive Coronary Care Unit Jersey Shore (Pennsylvania) Hospital, since 1992, manager Intensive Coronary Care Unit, since 1995.