Director of operations or Senior Director, Operations (COO) is one of the highest positions of office in the organizational structure of a company, organisation or , especially financial institutions and banks. that the responsibility for the management of all daily operations of the company, as well as provide a daily report to the CEO, is responsible.

In some organizations, manager of operations, simultaneously, chaired the company will also be responsible, which in this case, after the managing director, the highest official decision making in the system, to kingmaker. This mode often in situations in which the CEO simultaneously chairman of the board of the company also. can be observed.