Joseph Gallenberger, PhD, is a clinical psychologist. He is author of Inner Vegas: Creating Abundance, Miracles, and Health and Liquid Luck: The Good Fortune Handbook. He is a senior trainer with the Monroe Institute near Charlottesville, Virginia.

Michael Daw began his PhD studies the University of Northampton in March 2020. His research examines the potential link between psychic functioning, spiritual experiences, and dietary practices – especially veganism and vegetarianism, but also fasting. This work is supervised by Prof Chris Roe and Dr Callum Cooper, both previous guests of NTA. He is formerly [...]

Thomas Verny, MD, DPsych, is a psychiatrist who founded the Association for Pre- and Perinatal Psychology and Health and served as its president for eight years. He is associate editor of the Journal of Pre- and Perinatal Psychology and Health and is author of Inside Groups: A Practical Guide to Encounter Groups and Group Therapy, [...]

Laurin Bellg, MD, is chair of the Department of Medicine for ThedaCare in Appleton, Wisconsin. She is also director of two intensive care units. She is author of Near Death in the ICU.

Bernard Carr, PhD, is emeritus professor of mathematics and astronomy at Queen Mary University of London. He is coauthor of the book Quantum Black Holes and he is also editor of the anthology Universe or Multiverse? He is a past-president of the Society for Psychical Research and is also a current president of the Scientific [...]

Rev. Karen E. Herrick, PhD, is an interfaith minister and also a psychologist. She is author of The Psychology of the Soul and the Paranormal as well as You’re Not Finished Yet and Grandma, What Is a Soul? Her therapy practice focuses on adult children from dysfunctional homes. Her website is https://www.karenherrick.com/.

Sean McNamara is author of Defy Your Limits: The Telekinesis Training Method, Meditation X Telekinesis: The Mindfulness Method of Moving Matter With Subtle Energy and Intention, Renegade Mystic: The Pursuit of Spiritual Freedom Through Consciousness Exploration, and Signal and Noise: Advanced Psychic Training for Remote Viewing, Clairvoyance, and ESP. His website is https://www.mindpossible.com/.