Marcia Ishii is a senior scientist and director of the Grassroots Science Program at PAN. Before joining PAN in 1996, Marcia worked in Asia and Africa for 12 years. She developed farmer field schools in ecological pest management, sustainable agriculture and community-based rural development projects in Southeast Asia, and women's health, literacy and resource conservation projects on the Thai-Cambodian and Somali-Ethiopian borders. Marcia holds a PhD in Ecology and Evolutionary Biology from Cornell University and a B.A. in Gender and Politics from Yale University. She has written extensively on the ecological, social and political dimensions of food and agriculture and was a lead author of the UN-sponsored International Assessment of Agricultural Knowledge, Science and Technology for Development.