John Chavez is the founder of DMT Quest, a nonprofit organization. He is the producer of the documentary DMT Quest. He is also author of the two volume set, Questions for the Lion Tamer: Delving Into the Mystery That Is DMT. His website is https://dmtquest.org/

Ralph Blumenthal, a staff reporter for The New York Times from 1964 to 2009, is the author of The Believer: Alien Encounters, Hard Science, and the Passion of John Mack.

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/.