William Keepin, Ph.D., co-founder/Co-Director of Satyana Institute, is co-founder of the Gender Reconciliation International project. A mathematical physicist and expert on sustainable energy and global warming, he has also taught Holotropic Breathwork for 27 years and leads retreats on interspiritual practice. His books include: Divine Duality: The Power of Reconciliation Between Women and Men, and Song of the Earth: The Emerging Synthesis of Spiritual and Scientific Worldviews.