The size and composition of the board of directors varied significantly among the different categories identified earlier. Private for-profit hospitals usually had smaller boards (mean of six), with more executives on board (average of three).On the other hand , governmental and non-profit hospitals had fairly large boards (mean of 16) , with a majority of independent board members. Seventy-one percent of for-profit hospitals had the chairman acting as CEO. Moreover , he was usually the founder (36 percent) or a family member of the founder (43 percent)