Effective teambuilding for entrepreneurs involves understanding team roles. There are 9 key roles: plant, resource investigator, shaper, coordinator, monitor evaluator, team worker, implementer, completer finisher, and specialist. Each role has strengths and potential weaknesses. Building an effective team requires assessing roles, stages of maturity, from initially forming to high performance, and leadership approaches suited to each stage. Understanding roles helps entrepreneurs capitalize on strengths and balance weaknesses for optimal team performance.