August 18–31, 2008 Invited speakers Hank Wesselman, Paleoanthropologist and shamanic journeyerDr. Michael Winkelman, AnthropologistDr. Ede Frecska, Psychiatrist Lectures by Hank Wesselman Lectures by Dr. Ede Frecska Lectures by Dr. Luis Eduardo Luna
July 30–August 12, 2008 Invited speakers Dr. Rick Strassman, PsychiatristGraham Hancock, WriterSantha Hancock, Photographer Lectures by Dr. Rick Strassman Lectures by Graham Hancock and Santha Hancock
July 7–20, 2008 Invited speakers Dale Pendell, Author, Psychoactive Plants ResearcherDavid E. Presti, Neuroscientist, Clinical Psychologist Lectures by Dale Pendell Lectures by David Presti Lectures by Luis Eduardo Luna
June 9–22, 2008 Invited speakers Dr. Dennis McKenna, EthnopharmacologistKaren Helle Grue, Jungian Psychologist, and Holotropic Breathwork Facilitator Lectures by Dr. Dennis Mckenna Lectures by Karen Helle Grue
March 20–31, 2008 Invited speakers Roy Ascott, Professor of Technoetic ArtRodolfo Schlachet, Professional Drummer, Transpersonal Free Dance Facilitator Lectures by Roy Ascott Lectures by Rodolfo Schlachet Lectures by Luis Eduardo Luna
August 11-24, 2007 Invited speakers Dr. Christian Rätsch, Anthropologist, EthnopharmacologistDr. Ede Frecska, Neuroscientist Lectures by Dr. Christian Rätsch Lectures by Dr. Ede Frecska Lectures by Dr. Luis Eduardo Luna
June 25-July 8, 2007 Invited speakers Graham Hancock, WriterSantha Faiia, Photographer Lectures by Dcock and Santha Faiia:
June 4-17, 2007 Invited speakers Dr. Dennis McKenna, EthnopharmacologistChristos Daskalakos, Architect, Dance InstructorKaren Helle Grue, Jungian Psychologist, and Holotropic Breathwork Facilitator Lectures by Dr. Dennis McKenna Lectures by Christos Daskalakos Lectures by Karen Helle Grue
April 1-14, 2007 Invited speakers John Anthony West, EgyptologistDr. Richard Tarnas, Cultural Historian Lectures by John Anthony West Lectures by Dr. Richard Tarnas