Arun has chaired 28 completed dissertations and is currently supervising the dissertations of four students. Some of his former students are now in senior leadership positions at their universities (e.g., PhD Directors, Department Chairs, Associate Deans) and in the profession (e.g., Department Editors, Senior Editors and Associate Editors of major journals; Presidents of Societies). He has also served as a dissertation committee member for over 30 students.