This document provides guidance on effective presentation skills. It discusses the importance of preparation, practice, and presence when presenting. Thorough preparation includes researching the topic, outlining main points, and rehearsing. Practice helps presenters improve and get the timing right. Presence involves controlling nerves and using effective body language, voice, gestures, eye contact, and movement. The document also provides tips on answering questions, facilitating discussions, and giving scientific presentations. Overall it emphasizes preparation, practice, and developing a rapport with the audience as keys to successful presentations.