Professor of Practice, Positive Psychology Center, University of Pennsylvania

Professor of World Religions

Research Associate, Department of History and Philosophy of Science, University of …

Researcher, IFILNOVA/FCSH - NOVA University of Lisbon

Stetson Universit

Associate Professor of Philosophy, McMaster University

professor of religious studies, Georgetown University

Professor Emeritus of Philosophy, King's College, Western University

Assistant Professor of Philosophy, Simon Fraser University

Facultad de Filosofía, Universidad Complutense de Madrid