Mary was trained as a clinical and developmental psychologist and was an early member of the archetypal/imaginal psychology movement. She has worked in a wide variety of clinical settings and with groups on issues of peace, diversity, social justice, reconciliation, immigration, and the envisioning of community and cultural transformation. She is the author of Waking Dreams, Invisible Guests: The Development of Imaginal Dialogues, Mutual Accompaniment and the Creation of the Commons, co-author of Toward Psychologies of Liberation, Talking with Young Children about Adoption,and Up Against the Wall: Re-Imagining the U.S.-Mexico Border, and co-editor of Psychology and the Promotion of Peace.