Working in any business environment, you must interact with many people, both co-workers and clients, on a daily basis. Sometimes personalities clash, and when they do it becomes difficult to remain professional and continue to work effectively. When it comes to personality types, there are four that tend to present particular challenges to all working professionals. These are: insecure individuals, overly negative individuals, selfish or self-centered individuals, and unreliable or incompetent individuals. Dealing with these personality types presents an ongoing challenge, but one that must be mastered in order to be truly successful.

Since all four personality types are different, one is forced to deal with each of them in a different manner. By not catering to any one of them, and by not playing them against each other