The role of CEO is obvious. CEO stands for Chief Executive Officer. Thus he is head of establishment. He is overall manager of whole organization consisting of various departments, planning, production, sale, logistics, man power, secretarial, accoints and Finance etc.
All the heads of various department, finally has to give the details of their work to CEO. According to those report he moves forward to make further decisions for the company.
A CEO as the very nomenclature suggests is the head and what is head to a human body is the same for any organization and the routine functions which he performs are less important than the ones which distinguish one CEO form another!
The chief executive officer is the most important role in the management of an organization and he has to take responsibility to any kind of problem in that organization..