James Rattling Leaf is a research associate at the Cooperative Institute Research Environmental Sciences (CIRES), University of Colorado Boulder, as well a co-principal investigator at the North Central Climate Adaptation Science Center. He specializes in developing programs that use the interface between Indigenous people’s traditional knowledge and Western science. He has over 25 years’ expercience working with the federal government, higher education institutions and nonprofits to develop and maintain effective working relationships with federally and non-federally recognized American Indian tribes, tribal colleges and universities, and tribal communities. He sees a greater vision of human knowledge that incorporates the many insights of human cultures and provides a context for our better understanding of the planet and the world. He has projects with the Environmental Science Data Innovation and Inclusion Lab, North Central Climate Adaptation Science Center, Rosebud Sioux Tribe, GEO Indigenous Alliance, and the Ecological Society of America Traditional Ecological Knowledge Section. He is a citizen of the Rosebud Sioux Tribe.