The first few moments of an interview are vitally important as this is when initial impressions are formed. Whatever your status, greet each candidate with the same politeness and respect you would want to receive if the roles were reversed.
If an interviewee arrives early, let them know when you can see them.
Be aware of cultural differences when greeting interviewees: in some cultures, men greet each other with an embrace and a kiss on the cheek; in others, men and women alike simply bow. The handshake, in various forms, is almost universally accepted, and is generally the safest option.
An effective greeting can make all the difference. Stand up when an interviewee arrives, ...