When you first meet your boss, clients or colleagues, you should shake hands in the most effective way as this makes a deep impression on people. You should confidently offer your hand to shake whilst still maintaining eye contact. Good eye contact is paramount
It is really important to speak with the right tone of voice and show the right attitude so that people want to be around you and enjoy your company. If your tone suggests a condescending attitude, boredom, or anger, you will lose respect and people will no longer want to spend time speaking with you or listening to what you have to say.