A Chief Marketing Officer is responsible for overseeing the planning, development and execution of an organization's marketing and advertising initiatives. They play a vital role in a company's growth and have important responsibilities that range from creative influence to business strategy.

The scope of the CMO varies across organizations. There are the wide CMO roles, in which the CMO may have responsibility for CX, product strategy, innovation, communications and all the traditional marketing functions.

Modern organizations typically find themselves with a leader of operations, usually a chief operating officer (COO), and a leader of marketing, either a vice president of marketing or chief marketing officer (CMO).

A fractional CMO is a marketing expert who performs the same general tasks as a full-time chief marketing officer but in a part-time capacity. This means they lead marketing operations and oversee implementation and tracking for the businesses that hire them.