First impressions matter even more than you think:

They’re the most important part of any job interview. And once they’re set, they are very hard to resist. Optimize first impressions from the outset by framing the conversation with a few well-rehearsed sentences regarding how you want to be perceived. 

This will end up being the structure the other person forms their memories around.

A course that was successful in making managers more charismatic focused on these techniques:

• framing through metaphor-stories and anecdotes
• demonstrating moral conviction
• sharing the sentiments of the collective
• setting high expectations
• communicating confidence
• using rhetorical devices such as contrasts, lists, and rhetorical questions together with non-verbal tactics such as body gesture, facial expression, and animated voice tone.