This document provides guidance on writing executive summaries. It explains that an executive summary is a short introduction to a larger document that allows readers to quickly understand the key points without reading the entire document. The document outlines how to structure an executive summary, including stating the purpose and aims, summarizing the results and recommendations, and briefly describing the methodology. It also provides tips for writing executive summaries, such as keeping them to one page or less and writing them after completing the full document to ensure accurate representation. Graphical elements and a logical structure with bullet points and subtitles are recommended to improve readability. Executive summaries can also be used to introduce proposals by summarizing basic research and arguments.