Andrew Holecek is an interdisciplinary scholar-practitioner in Tibetan Buddhism and other nondual wisdom traditions. He is the Resident Contemplative Scholar at the Institute for Advanced Consciousness Studies, and a research consultant for the Cognitive Neuroscience Program at Northwestern University. His work involves studies on dream yoga and the practice of dark retreat. Dr. Holecek is a member of the American Academy of Sleep Medicine, the author of nine books, and a concert pianist. He has completed the Tibetan Buddhist three-year retreat and is a frequent subject in scientific studies on meditation and lucid dreaming. His work integrates ancient wisdom traditions with contemporary perspectives, aiming to help individuals navigate spiritual challenges and end-of-life experiences. He is currently writing two books on dark retreat. Holecek holds degrees in classical music, biology, and a doctorate in dental surgery.