Suzanne Zuercher, O.S.B., was a member of the Benedictine Sisters of Chicago, a member of St. Scholastica Monastery, and a psychologist. She was a pioneer in the spirituality of the Enneagram and has presented workshops and programs on the subject around the world. Zuercher died in 2014. 

Books by Suzanne Zuercher, O.S.B.