If you are planning to accumulate or target the segmented list of these executives working in a reputed organization, Avention Media can help you. With the help of our COO Email List. A Chief Operating Officer or COO is one of the esteem members of the organization’s executive team. These individuals work for a variety of organizations, including non-profit entities, government agencies, and schools. With the overall supervisory responsibility for the entity’s operations, COOs help effectively grow the business and ensure its monetary power and operating efficacy. Their position is tasked with providing headship and a vision to ensure that the company has every procedure in place.