Joseph is Assistant Vice-Chancellor - Sustainability and Senior Lecturer in Philosophy at the University of Waikato, and he has been a visiting fellow at the the University of Aberdeen, theUniversity of Connecticut, Jagiellonian University, The John Paul II Catholic University, Yale University, and Yonsei University's Veritas Centre. His main areas of research interest are the philosophy of language and metaphysics, especially the nature and value of truth, facts, and action.