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Assistant Professor of Moral Theology, Aquinas Institute of Theology

Stewart Clem is Assistant Professor of Moral Theology at Aquinas Institute of Theology (St. Louis, Missouri, USA), and a priest in The Episcopal Church. He holds degrees in theology and philosophy from the University of Notre Dame, Duke University, and Oklahoma State University. His research explores the history of Christian moral thought (Catholic and Protestant), with an emphasis on the virtues, natural law, and biblical interpretation. He is especially interested in the ways in which contemporary American Christians appropriate (and misappropriate) that history as they engage contemporary ethical and social issues.


  • 2019–present
    Assistant Professor, Aquinas Institute of Theology
  • 2018–2019
    Visiting assistant professor, Valparaiso University


  • 2019 
    University of Notre Dame, PhD, Moral Theology & Christian Ethics
  • 2013 
    Duke University Divinity School, MDiv
  • 2008 
    Oklahoma State University, MA, Philosophy
  • 2005 
    Oklahoma State University, BA, Philosophy, Political Science


  • 2021
    Unlearning Ourselves: The Incarnational Asceticism of John Henry Newman's Anglican Sermons, Anglican Theological Review
  • 2019
    Still Human: A Thomistic Analysis of 'Persistent Vegetative State', Studies in Christian Ethics
  • 2018
    Dropping the Debt: A New Conundrum in Kant's Rational Religion, Religious Studies
  • 2018
    The Passions of Christ in the Moral Theology of Thomas Aquinas: An Integrative Account, New Blackfriars
  • 2017
    Post-Truth and Vices Opposed to Truth, Journal of the Society of Christian Ethics
  • 2013
    The Epistemic Relevance of the Virtue of Justice, Philosophia

Professional Memberships

  • American Academy of Religion
  • Society of Christian Ethics
  • Society for the Study of Christian Ethics
  • Society of Christian Philosophers
  • Society of Scholar Priests