This document discusses seller-doers, who are responsible for business development and driving new projects. It identifies different seller-doer personas like technical experts, BD professionals, and firm principals. It also outlines why firms should implement seller-doer strategies to increase industry awareness, build relationships, and ensure succession. The document provides challenges of seller-doer roles like time management and burnout. It proposes a seller-doer toolkit with elements like strategy, marketing support, communication plans, training, and goals to create successful seller-doer programs within firms.