Zach Walsh, PhD, is a clinical psychologist and an Associate Professor of Psychology at the University of British Columbia, where he directs the Therapeutic Recreational and Problematic Substance Use lab. He has published and presented widely on topics related to...
Chris Bennett has been researching the history of cannabis for 25 years, with a particular focus on its role in magic and religion. He has authored and co-authored 3 books on the subject, Green Gold the Tree of Life Marijuana in Magic and religion (1995); Sex, Drugs,...
Aletheia is an ecumenically minded, classically trained Spiritual Director and Vajrayana Tantrika whose work has been deeply informed by and incorporates the wise use of spirit plant medicines and other sacraments. A recurrent theme in her work has been engaging with...
Dennis McKenna’s professional and personal interests are focused on the interdisciplinary study of ethnopharmacology and plant hallucinogens. He received his doctorate in 1984 from the University of British Columbia, where his doctoral research focused on...
Kenneth Tupper is an Adjunct Professor in the School of Population and Public Health at the University of British Columbia, where his research interests focus on the cross-cultural and historical uses of psychoactive substances; public, professional and school-based...
Paul Kroeger has studied mushrooms for over thirty-five years and is a founding member and current president of Vancouver Mycological Society. He is considered a leading expert in field identification of mushrooms of western Canada. Paul has made a special study of...