Michael McGuffin has served as president of the American Herbal Products Association (AHPA) since 1999, leading the association in its mission to promote the responsible and sustainable commerce of herbal products to ensure that consumers have informed access to a wide variety of safe herbal goods. McGuffin also serves on the boards of directors of the American Herbal Pharmacopoeia (AHP) and United Plant Savers, and on the advisory boards of the USC School of Pharmacy regulatory science master's degree program and the Appalachian Beginning Forest Farmers Coalition.