High Quality Content by WIKIPEDIA articles! Oral Roberts University (ORU), based in Tulsa, Oklahoma in the United States, is a Charismatic Christian comprehensive university with an enrollment of about 3,790 students from most U.S. states along with a number of international students.The university is named for its late founder, evangelist Oral Roberts, and is the largest Charismatic Christian university in the world. Founded in 1963, the university offers more than 60 undergraduate degrees.