Joel I. Cohen is a Visiting Scholar at the Nicholas School for the Environment at Duke University. Mentored by the Doris Duke Professor of Conservation Ecology Stuart Pimm, his studies focus on biodiversity in the Chesapeake and Ohio Canal National Historical Park. After working as an agricultural volunteer in the Peace Corps in Nepal, he obtained a PhD in plant breeding. Joel has taught students from secondary school through college in biology, biodiversity and soils. He has also led genetic resource initiatives through his work in international development.