Finding a candidate with top talent to fill an open position is a good feeling. You’ve found someone that possesses the skills and experience necessary to perform the job at hand and do it well. Box checked!
During the interview process, you focused mainly on their qualifications and professional background, but it was hard to get a sense of who they are and what they are about. You tell yourself that it’s not too much of a concern; with their skills and talent, it should all work out.
Sometimes it does work out, but many times it doesn’t. Don't overlook this one key factor when hiring a new candidate!