O'Neal graduates with a 3.81 grade point average and he completed 16 courses mostly using satellite classrooms and video conferencing, the university said.
Rees has played against most of the Ireland XV in the Magners League, while in opposite number Tomas O'Leary he has an opponent he has been playing against since age-grade rugby.
The diverse judging panel includes TV presenters Ruby Wax and Dermot O'Leary, comedian and actress Nina Wadia, advertising boss Matthew Freud and former Channel 4 chief executive Michael Grade.