Between 1968 and 1978, Marion held several administrative positions at California State University at Fresno, the World Campus Afloat (now
Semester at Sea), the University of Colorado at Boulder, and
North Carolina State University. In May 1990, he was selected to become chancellor of the
State College System of West Virginia. As chancellor, Marion was head of ten institutions, which then included
Bluefield State College,
Concord College,
Fairmont State College,
Glenville State College,
Shepherd College,
Southern West Virginia Community College,
West Liberty State College,
West Virginia Tech,
West Virginia Northern Community College, and
West Virginia State College. In 1993, he was appointed the president of the Pennsylvania Association of Colleges and Universities. The organization represented 116 public and private colleges and universities in
Pennsylvania. Marion also taught courses at several universities, was a member of several professional associations, national and state boards and commissions, published articles in academic journals, and made many presentations at national, regional, and state higher education conferences. In July 2002, he became the fourth president of
Tiffin University in
Tiffin,
Ohio. During his tenure, enrollment increased from 1,500 to more than 4,200 students, new facilities were constructed, several new academic programs were added, and the university joined the
NCAA Division II and the
Great Lakes Athletic Conference. In October 2014, Marion announced that he would retire at the end of the school year in summer 2015, after serving at the university for thirteen years. In 2016, the University dedicated the Marion Center in honor of the now-former university president and his wife. == Personal life ==