Dennis McKenna, brother of Terence McKenna, is a true psychedelic elder. Among his many engagements and accomplishments, he has conducted research in ethnopharmacology for over 40 years, is a founding board member of the Heffler Research Institute, and was a key investigator on the Hoasca Project, the first biomedical investigation of ayahuasca. Since 2019, he has been working with colleagues to manifest a long-term dream: the McKenna Academy of Natural Philosophy (https://mckenna.academy) dedicated to the study of plant medicines, consciousness , preservation of indigenous knowledge, and a re-visioning of humanity’s relationship with Nature. Dr. McKenna is author or co-author of 6 books and over 50 scientific papers in peer¬ reviewed journals. He emigrated to Canada in the spring of 2019 together with his wife Sheila, and now resides in Abbotsford , BC.