The document provides guidance on writing an effective business plan to engage investors. It emphasizes that business plans should be tailored for pitching investments and engaging interest. An effective plan will (1) define an unmet medical need, (2) demonstrate product differentiation versus competitors, and (3) detail an operational plan with timeline, costs and milestones. The document also notes several commonly overlooked areas that should be addressed, such as competitors, use of proceeds, and risk mitigation. The overall message is that business plans are iterative tools that should find champions, get feedback, and be revised to effectively engage investors.