How I learnt to talk to large groups (vlog)

I speak to groups of people every week. Sometimes small groups, sometimes medium sized groups, often groups of around 150 people, and occasionally groups of more than 500. I always used to be nervous talking to even small groups but after more than 30 years of this at least I don't get anxious in the same way any more. Part of the training to be a scientist is the training to do this. Music: No Parking Friday by Jobii https://www.epidemicsound.com/track/s1BwhtMgWp/