The person appears to be a/an White Male, approximately 20 to 29 years old.
Key mistakes to avoid when delivering a presentation in a professional or academic setting include: failing to establish a clear structure for your presentation, rambling instead of staying focused on the main points, speaking too quickly or unclearly, neglecting eye contact and effective body language, not incorporating visuals or engaging the audience, insufficient rehearsal leading to a lack of familiarity with the material, overwhelming the audience with too much information, not allowing pauses for questions, and failing to prepare a strong, actionable conclusion.
Common pitfalls to avoid when making a presentation in a professional setting include: not having a clear structure, rambling instead of keeping to the point, not speaking slowly and clearly, lacking eye contact and other body language, not using visuals or allowing for audience participation, not rehearsing enough and failing to know the material well, talking too fast and overwhelming the audience with information, not taking pauses and allowing for questions, and not preparing an organized and actionable conclusion.