We cultivate harmony with nature through educational programs, ethnobiological exploration and engagement with indigenous wisdom

Our vision is to be a catalyst in creating an awakened world where all species thrive in symbiotic harmony.
We offer symposia, courses and retreats where people share, learn and inspire positive change on our planet and in their own lives.
programs
Living Library
The Living Library — a curated collection of courses, live webinars, and community access that brings lineage‑informed plant, psychedelics, fungal, and consciousness study into one living library. Join a private learning community, attend regular live events, and access a growing archive of deep, practice‑focused content.
When the ceremony doesn’t end.
Organized with the support of the McKenna Academy, join us for a comprehensive online educational seminar that brings together a diverse panel of experts to examine the complex phenomenon of psychosis in psychedelic experiences.
Wisdom of the Leaf Coca Summit
The McKenna Academy of Natural Philosophy, in collaboration with Wade Davis, hosted the Wisdom of the Leaf Coca Summit during February 3 – 7, 2025 at the breathtaking Willka T’ika retreat center, nestled in the Sacred Valley of Peru.
Biognosis
Renovation of a precious herbarium in Iquitos, Peru which houses 150,000 specimens.
ESPD55
Ethnopharmacologic Search for Psychoactive Drugs hosted at St. Giles House 2022
ESPD50
Ethnopharmacologic Search for Psychoactive Drugs hosted at Tyringham Hall 2017.
Ripples of Change: Symbiosis Symposium
The Ripples of Change: Symbiosis Symposium brought together a group of passionate global voices actively engaged in creating awareness on the topic of symbiosis instead of competition.
Mystery School
Mystery schools have been a cornerstone of learning for centuries, serving as institutions dedicated to the exploration of the inner self and spirituality.
“The entire biospheric community of species is conscious, and seeks to advance the evolution of consciousness through collaboration and symbiosis.”
Dennis McKenna Ph.D.
President and Principal Founder

Podcast
Herbalism, Citizen Science, and Ancestral Knowledge
Rebecca Lazarou’s work is an ecology of different disciplines spanning across medical science, ethnopharmacology, herbalism, holistic healthcare, cannabis and psychedelics. She is also an activist, writer, speaker and herbal formulator. She is currently a PhD candidate at Kew Gardens and UCL School of Pharmacy with a focus on ethnopharmacology and herbal medicines. She was the science and managing editor for the ESPD55 volume, is currently co-editor for education charity Herbal Reality and founded Laz The Plant Scientist to bring quality, sustainably sourced herbal medicines and education to people. She is passionate about democratizing knowledge, and rekindling ethnobotany and herbalism from being marginalised disciplines to part of common knowledge again. Ultimately her aim is to help nurture our relationship with nature through natural medicines, and support our species return back to Earth centred living. She is devoted to science to demystify these topics, but equally she is committed to rekindling the magic, awe and healing we find on our precious Earth.
Blog
What Can Ancient Plant Wisdom Teach Us About Healing in the Modern World?
Imagine walking through a dense rainforest with an indigenous elder who can identify hundreds of plants by sight, smell, and touch—knowing precisely which leaf can cure a fever, which root can ease pain, and which bark can purify water. This profound relationship between people and plants lies at the heart of ethnobotany, a fascinating interdisciplinary […]







