Ronald Heifetz was born on 7 February 1951. Heifetz graduated from the Columbia University Harvard Medical School and the John F. Kennedy School of Government. He is also a cellist and former student of Gregor Piatigorsky. His brother is violinist Daniel Heifetz, founder and artistic director of the Heifetz International Music Institute.
Chester Irving Barnard (7 November 1886 – 7 June 1961) was an American manager, public administrator and author of various titles in management theory and organisational studies.
His signature book from 1938, The Functions of the Executive, describes an organisational theory and the positions of supervisors in organisations.