Jessica lives in Baraga, a town in Michigan’s Upper Peninsula and holds a bachelor’s degree in social science from Michigan Technological University and a master’s degree in environmental management from the Yale School of Forestry & Environmental Studies. From 2011-2014, Koski served on the National Environmental Justice Advisory Council’s Indigenous Peoples Working Group charged with providing recommendations for the U.S. Environmental Protection Agency’s Policy on Environmental Justice for Tribes and Indigenous Peoples. In March 2012, Koski co-authored a statement on mining activities that the KBIC submitted to the United Nations Special Rapporteur on the rights of indigenous peoples.