Dr. Orr has academic appointments at the University of Vermont, Loma Linda University, Trinity International University (IL), and the Graduate College of Union University (NY). He has co-authored two books, co-edited three others, contributed 10 book chapters, and over 100 articles related to clinical ethics, the ethics consultation process, and issues in terminal care. He has given lectures on these topics regionally, nationally and internationally. He chaired the Council on Ethical Affairs for the California Medical Association, and was Vice President of the American Society for Bioethics and the Humanities. He has served on the Ethics Commission of the Christian Medical and Dental Societies and served as chairman of that commission from 1991-1994. In 2006, Dr. Orr was named Scholar in Residence at the Kilns, the restored home of C. S. Lewis, in Oxford, England. While there, he worked on a book on clinical ethics for pastors and others involved in counseling.