Stuart K. Masters is a teacher and writer with a focus on the Quaker faith. For fifteen years, he worked for Woodbrooke, an international Quaker learning and research organization, and following his retirement, continues to serve as an Associate Tutor. He is the author of The Rule of Christ (2021) and is a Regional Representative for the Anabaptist Mennonite Network as well as a member of the Advisory Council for the American journal, Quaker Religious Thought.