Duncan is a public health educator and harm reduction community organizer with Maine Health Equity Alliance. He has over two decades of experience as an educator and organizer for healthcare, social services, and academic organizations. Duncan has worked as a Technical Training Coordinator for MaineHealth and as both an Employment Rehabilitation Counselor and Client Advocate at Washington County Mental Health in Vermont. He has also served as a Teaching Fellow at Brandeis University and as a Field Researcher for projects at Brandeis, Harvard University, and the University of Southern Maine. His expertise is in community education and civic engagement. He lives in Searsport and is a writer, activist, and avid hiker.