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
Ethnobotany Courses
Discover the living intelligence of plants with McKenna Academy’s Online Ethnobotany Courses. Led by world-renowned experts, these self-paced programs unite science, spirit, and culture—offering deep insights into plant medicine, shamanism, and human evolution. Gain lasting knowledge, cultural perspectives, and transformative wisdom, with lifetime access and certificates included.
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
Rewiring the Muse to Restore Creative Flow
Greg Hemmings is an award-winning Canadian filmmaker whose work examines how storytelling can catalyze positive social and environmental change. He is the founder of Hemmings House Pictures, a certified B Corporation that produces documentary, factual, and scripted works for international audiences. Greg’s recent projects explore the intersections of neuroscience, creativity, ecology, and consciousness, with particular interest in how human relationships to nature, including traditional and contemporary research into plant-based knowledge systems, can inform wellbeing and collective resilience. In 2023, he received an honorary doctorate for contributions to the arts and social change. Greg is also a mentor, speaker, musician, and lifelong student of what helps humans—and the planet—thrive.
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 […]
