Jacob A. Belzen is Professor of Psychology of Religion at the University of Amsterdam. His specialisations include the history and foundations of psychology, religion and mental health(care), spirituality and psychohistory.
Leslie J. Francis, is Professor of Psychology at the University of Wales at Bangor. His research interests include empirical theology and the relationship between personality and religion.
Dr. Ralph W. Hood, Ph.D. in Psychology, teaches Psychology of Religion and Philosophical Psychology at the University of Tennessee at Chattanooga.