The dean of computing must be respected by the academic staff and be competent to oversee the use of computers on campus  The only deans whom academics respect are those who hold doctoral degrees, and only someone who really knows about computers can competently oversee the use of computers on campus  Furthermore, the board of trustees has decided that the dean of computing must be selected from among this university' s staff
Ttherefore, the dean of computing must be a professor from this university' s computer science department
All academics who hold doctoral degrees are respected by their academic colleagues.