An expert in the cultural history of Buddhism in Tibet and the author or editor of nine books, Schaeffer is interested more generally in the workings of religion in social life. He is especially interested in the ways religion moves people to action through art, literature, history, and ritual. He has directed multiple NEH summer institutes on the academic study of religion, and manages multiple collaborative digital projects. Schaeffer routinely conducts research in Tibet, Nepal, and Bhutan. He served as Department Chair of Religious Studies, the largest such department at a public university in the US, for eight years.