These professionals typically conceptualize, create, consult, and supervise. As a result, upper middle class employees enjoy great autonomy in the work place and are more satisfied with their careers than non-professional middle class individuals. In terms of financial wealth income, the professional middle class fits in the top third, but seldom reach the top 5% of American society. According to sociologists such as Dennis Gilbert, James M. Henslin, Joseph Hickey, and William Thompson, the upper middle class constitutes 15% of the population.