J. David Muyskens, a retired minister of the Reformed Church in America and a seminary teacher of spirituality, holds a Doctor of Ministry degree from Princeton Theological Seminar...view moreJ. David Muyskens, a retired minister of the Reformed Church in America and a seminary teacher of spirituality, holds a Doctor of Ministry degree from Princeton Theological Seminary. He has been a spiritual director since 1991 and is a graduate of the Spiritual Guidance Program of Shalem Institute in Bethesda, Maryland. Muyskens has been practicing Centering Prayer daily since 1993 and has facilitated a Centering Prayer group since 2001.view less