The person appears to be a/an Indian Male, approximately 40 to 49 years old.
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.
Common mistakes to avoid when giving a presentation in an academic or professional setting include: not having a clear structure, rambling instead of staying on topic, speaking too quickly and unclearly, lacking eye contact and effective body language, failing to use visuals or engage the audience, not rehearsing adequately and not being familiar with the material, overwhelming the audience with too much information, neglecting to take pauses for questions, and not preparing a strong, actionable conclusion.