Warren Gamaliel Bennis ( March 8 , 1925 -- July 31 , 2014 ) was an American scholar , organizational consultant and author , widely regarded as a pioneer of the contemporary field of Leadership studies .
Warren Gamaliel Bennis ( March 8 , 1925 -- July 31 , 2014 ) was an American scholar , organizational consultant and author . He is thought to be a pioneer of Leadership studies .