Short videos of good business presentations

I’m looking for a video containing short extracts of good presentations by business leaders. These would achieve their purposes using a good structure supported by an enthusiastic delivery, interesting language and analogies .Can anyone help, please?
Richard Wood

I'm looking for a video containing short extracts of good presentations by business leaders. These would achieve their purposes using a good structure supported by an enthusiastic delivery, interesting language and analogies .Can anyone help, please?
Richard Wood