You are the boss so you have to act like the boss.
Be Confident (Even fake it).
Take on the personality of a leader, CEO or senior manager.
Walk tall, walk straight, look the work right in it’s eye.
Attend work social gatherings but be one of the first to leave. Also allows your staff enjoy themselves without management boss.
You are the boss of the employees not their friend.
Wear smart professional clothes.
Take care of your appearance.
Smile. Enjoy the work.
Steer the conversation.
Cut people off who are talking to much or are wasting everyone’s time “Let’s take this one offline” “Ok, let’s come back to this”