Sandra is a longtime teacher of the Diamond Approach to Inner Realization, and a member of its leadership council. She leads groups in the San Francisco Bay Area and in the United Kingdom. Along with A.H. Almaas, founder of the Diamond Approach, she became a member of Naranjo’s original SAT (Seekers after Truth) group where he first presented the Enneagram and its function as a spiritual tool. She has taught the Enneagram for over four decades and is the author of The Spiritual Dimension of the Enneagram: Nine Faces of the Soul, and The Enneagram of Passions and Virtues: Finding the Way Home.