Trevor Hudson has been part of the Methodist movement in Southern Africa for more than 35 years. Serving primarily around Johannesburg, South Africa, he is deeply committed to the work and ministry of the local congregation. Presently he works part-time at the Institute for Creative Conversation of Northfield Methodist Church in Benoni, just outside Johannesburg. A significant part of his weekly work is the giving of the Spiritual Exercises of St Ignatius.

Besides his local commitments, Trevor travels widely, preaching, teaching, and lecturing in the areas of spiritual formation, spiritual direction, and pastoral therapy. He lectures at Fuller Seminary, Pasadena, in their Doctor of Ministry (Spiritual Direction) program, and he also works closely with the Renovaré International Institute for Christian Spiritual Formation, the Dallas Willard Center for Christian Spiritual Formation, and the Jesuit Institute in South Africa. He is the author of 22 books including Discovering Your Spiritual Identity (IVP) and Beyond Loneliness (Upper Room). His new book, Seeking God-Finding Another Kind of Life with St Ignatius and Dallas Willard will be published by NavPress in October of 2022. Trevor is married to Debbie, and they are the parents of two adult children, Joni and Mark.

Gary W. Moon, M.Div. Ph.D. served as the founding Executive Director of the Martin Institute for Christianity and Culture and the Dallas Willard Center for Christian Spiritual Formation at Westmont College and continues to direct their resource development initiatives through serving as the director of Conversatio Divina: A Center for Spiritual Formation.

He also serves as a consultant and spiritual director for the Wings Center at Eagle Ranch, and as Distinguished Professor of Psychology and Spiritual Formation at Richmont Graduate University. He served as the founding director of the Renovaré International Institute for Christian Spiritual Formation and as a founding Editor of the Conversations Journal, and as the founding director of a DMIN program in spiritual direction at Fuller Theological Seminary. Gary writes in areas such as the theoretical and practical integration of psychology, theology & spiritual formation and has published and presented over 300 professional and popular papers, and has written, edited or contributed chapters to more than 20 books.

Dave Ripper is the lead pastor of Crossway Christian Church, a multi-congregational church in Southern New Hampshire, focused on spiritual formation. He earned a doctor of ministry in spiritual direction from Fuller Theological Seminary, and The Martin Institute and Dallas Willard Center at Westmont College. He is author of the forthcoming, Reading Scripture like Dallas Willard (IVP, March 2025), and coauthor of The Fellowship of the Suffering (IVP).

Since 2015, he has also served as the chaplain for the Boston Bruins. Dave and his wife, Erin, a mental health therapist, have three children. They make their home in the woodlands of New England, near Nashua, NH.