Jaak Panksepp was the Baily Endowed Chair of Animal Well-Being Science at Washington State University's College of Veterinary Medicine, emeritus Distinguished Professor in the Department of Psychology at Bowling Green State University, and the Head of Northwestern University's Falk Center for Molecular Therapeutics.
Lucy Biven trained at the Anna Freud Centre in London, and has served as Head of the Department of Child and Adolescent Psychotherapy at the Leicestershire National Health Service in England. She is coauthor, with Jaak Panksepp, of The Archaeology of Mind: Neuroevolutionary Origins of Human Emotions.
Peter Lerman is a narrator from the heart of New York City: Brooklyn born and raised. He has appeared onstage as Horace Vandergelder in Hello Dolly, Bobby Gould in Speed-the-Plow, the Governor of Texas in Best Little Whorehouse..., Jonathan Brewster in Arsenic and Old Lace, and Lenny in Rumors.
Daniel J. Siegel is a clinical professor of psychiatry at the UCLA School of Medicine and director of the Mindful Awareness Research Center at UCLA. He is the author of many New York Times bestselling books.