Dr. Pengelly has had a 40-year career as an herbal practitioner, naturopath, lecturer, aromatherapist, researcher, field botanist and program director for several universities and colleges. For his research on the bethnopharmacology of Australian plants he was awarded a PhD. He is author of the widely used text “The Constituents of Medicinal Plants,” and is currently preparing a revised edition for publication later this year.

Following seven years as faculty member and Director of the herb dispensary at Maryland University of Integrative Health, he returned to Australia in 2016, but continues to teach online for this University. With a strong research and clinical interest in the use of Australian plants, he is focused on the distillation of new and familiar essential oils from the bush, while continuing to conduct aromatic herbal field schools in which he teaches the skills of distillation, combining herbs with essential oils for clinical applications.

Dr. Pengelly is a fellow and full life member of the National Herbalists Association of Australia, a professional member of the American Herbalists Guild and associate member of the Essential Oils Producers Assn. of Australia. He is a licensed plant collector and volunteer with the Hunter Region Botanical Gardens Herbarium, and secretary of the Hunter Valley branch of the Australian Plant Society.