Today business is a powerful weapon to increasing the growth of any economy in that country. Business is any commercial activity that pursued primarily with object of earning profit of those, on whose behalf the activity is conducted. Business process is depended upon, the role that are performed by managers. Mangers are critical factor behind the successful business. Therefore in this current research the various roles of managers in a business are define, though secondary data that was available in pervious related research papers and other secondary sources.