Michael is a Western traditional herbalist who has been practicing since 1986. He is a respected lecturer who has been teaching since the late 1980's. He is the founder and director of Living Earth School of Herbalism. Michael developed Four Elements Herbal Therapy, a system of Western herbalism that integrates the physiological knowledge of modern North American and European traditions of herbalism within the broader holistic paradigm of traditional earth-centred healing traditions. He has also done extensive research on medicinal herbs that are native to and naturalized in northeastern North America, many of which are no longer in common use. Michael has long been an advocate for herbs and the practice of herbalism. In the 1990s he was appointed by the federal Minister of Health as a member of the Advisory Panel on Natural Health Products and the Natural Health Products Directorate Transition Team. He was the founding president of the Canadian Coalition of Herbal Associations, the Canadian Coalition for Health Freedom and the Canadian Council of Herbalist Associations (CCHA) and for many years served as president and/or director of the CCHA and the Ontario Herbalists Association.