Professor Grinde is a member of the Yamassee Nation, whose research and teaching have focused on Haudenosaunee/Iroquois history, U.S. Indian policy since 1871, Native American thought, and environmental history. He has written extensively on these topics, including authoring or co-authoring books such as “the Encyclopedia of Native American Biography,” “Apocalypse of Chiokoyhikoy, Chief of the Iroquois”, “The Iroquois and the Founding of the American Nation,” “Exemplar of Liberty: Native America and the Evolution of Democracy,” (available as an ebook at ratical.org) and “Ecocide of Native America: Environmental Destruction of Indian Lands and Peoples.” His work on environmental issues has also included studying the 16th and 17th century ecological history of a portion of the Susquehanna River, and serving as co-principal investigator on a National Science Foundation-funded graduate student training program focused on solving environmental problems in Western New York. He is currently a Professor in the Department of Africana and American Studies at the University at Buffalo College of Arts and Sciences.