I often get asked for tips to help people who have to deal with more senior people. One of the most common questions in this area is how do I project authority and credibility.
One powerful way to do this is to simply focus on keep your head still when you speak! Sounds crazy I know but it is true and it works. Head stillness is one of a number of key non verbal cues that effect the way we are perceived by others.
if you don’t believe me – take a look at this clip from Dirty Harry and see for yourself.