Dennis McKenna is an American ethnobotanist and ethnopharmacologist. He has authored numerous scientific articles and books, among them – The Invisible Landscape – with his brother Terence McKenna.

Dennis has spent a number of years as a senior lecturer for the Center for Spirituality and Healing, part of the Academic Health Center at the University of Minessota. He is now a senior research scientist for the Natural Health Products Research Group at the British Columbia Istitute of Technology in the Vancouver area.  He is a founding board member of the Heffter Research Institute and serves on the advisory board of non-profit organizations in the fields of ethnobotany and botanical medicines. He recently completed a project, funded by the Stanley Medical Research Institute, to investigate Amazonian ethnomedicines for the treatment of schizophrenia and cognitive deficits. At the Heffter Research Institute, he continues his focus on the therapeutic uses of psychoactive medicines derived from nature and used in indigenous ethnomedical practices.

Dennis’ Project: The Brotherhood of  The Screaming Abyss

Dennis speaks with Joanna about the KickStarter project of writing a memoir of his experiences with his brother Terence McKenna as a collective effort, the noetic experiment at La Chorrera, teonanacatl and primordial language, following the call of the Mystery…

Music: “Tejido de sueños (Tissue of dreams)” from Nierika, by Jorge Reyes