The document provides guidance for preparing a Ph.D. defense presentation in 3 sections. It discusses focusing the presentation on the research problem, question, methodology, key results and implications for the field in 20 minutes. It also addresses answering reviewer questions and demonstrating the contribution to the research domain. Key aspects of the research problem, question, methodology, results and implications are defined. The document provides exercises for identifying the type of research problem and phrasing the main research question.