For every company, the success of the marketing function is not dependent on one or two areas of the marketing organization running optimally. Success is achieved through the efficient performance of a complex set of components that act as a unified interconnected system. A high-performance marketing organization is not designed overnight or implemented in a week; it takes time, commitment, and planning. This report details the Forrester B2B Marketing Ecosystem Model, including key components and a systematic approach for CMOs to use when creating a high-performance marketing function that contributes to the organization’s overall success.