The esteemed business teacher and author Peter Drucker had specific views on ethical leadership: He thought the ethics of personal responsibility stemmed from the advice of the ancient healer, Hippocrates: Primum Non Nocere – First Do No Harm. Today’s healthcare professionals live by the rule. And explains commentator William Cohen, PhD for us: Drucker thought the mirror test was a good test: look in the mirror and ask, what kind of person do I want to see this morning?