Jennifer M. Sandoval is a clinical psychologist residing in Southern California and the author of A Psychological Inquiry into the Meaning and Concept of Forgiveness (2017) and co-editor of Psychology as the Discipline of Interiority: The "Psychological Difference" in the Work of Wolfgang Giegerich (2017).

Colleen EL-Bejjani is an English teacher and poet living in Rochester, New York. She has served on the Executive Committee for the International Society for Psychology as the Discipline of Interiority since 2012, and presented her work on PDI in Canada, Ireland, California, and Germany.

Pamela J. Power is a clinical psychologist and Jungian psychoanalyst living in Santa Monica, CA. She is the past clinic director and past training director of the C. G. Jung Institute of Los Angeles. She has lectured nationally and internationally on a variety of topics and has published numerous articles and chapters in books. She is a member of the C. G Jung Institute of Los Angeles, the Interregional Society of Jungian Analysts, the IAAP, and ISPDI, where she currently serves on the executive committee.