Before joining PAN in 1996, Margaret spent most of nine years in Central America, teaching and conducting research in tropical agricultural ecology. She worked with university colleagues and NGOs to improve productivity of low-input ecologically sound agricultural methods. Margaret has published her work in Spanish and English in professional and educational journals as well as popular venues. Since the early 1980s, she has worked in support of farmworker rights and has been a member of New World Agriculture and Ecology Group. At PAN, Margaret focuses on environmental health and justice, particularly farmworker health and safety. Margaret speaks Spanish.