B2B marketing activities cannot be executed in isolation. Internally misaligned marketing teams are poorly positioned to work with sales and product teams and thus cannot effectively execute a go-to-market strategy. Effective execution requires the amalgamation of strategy, planning, and measurement, along with clarity around the roles and responsibilities within the marketing team. In this report, we introduce the Emerging-Company Marketing Range of Responsibilities Model, which defines and aligns the entirety of marketing work performed at emerging companies.