Joseph serves as director of the William Penn Honors Program and as an assistant professor of religious studies. Before joining the George Fox faculty in 2013, he spent four years at Princeton University earning his PhD in religion, ethics and politics while also working as an assistant in instruction in the school’s religion department. Joseph's research and teaching interests include Christian thought, Christian ethics, religious and philosophical ethics, political theory, environmental ethics, ancient moral and political philosophy, and the role of religion in public life.