Forrester believes a B2B organization’s magnitude of growth is contingent on partner ecosystem marketing’s ability to ignite, orchestrate, and co-innovate customer value at scale across an evolving and ever-expanding ecosystem of partners. Forrester’s Partner Ecosystem Marketing Maturity Assessment is designed to help partner ecosystem marketers and channel marketers understand their relative maturity in establishing excellence across key functional priorities. This report provides definitions and guidance for six core competencies to help partner ecosystem marketing leaders gauge their maturity level and identify the improvements needed to achieve functional marketing excellence.