James Rattling Leaf, Sr. has over 25 years’ working with the US Federal Government, Higher Education Institutions and Non-Profits to develop and maintain effective working relationships with federally and non-federally recognized American Indian tribes, Tribal College and Universities and Tribal Communities. He specializes in developing programs that utilize the interface between Indigenous People’s Traditional Knowledge and Western Science.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. James is a founding member of the Group on Earth Observations (GEO) Indigenous Alliance that was established at GEO Week 2019 in Canberra, Australia to foster a continued, effective, respectful, and reciprocal relationship with GEO and representatives of indigenous communities from around the world. He was born on the Pine Ridge Indian Reservation and is an enrolled member of the Rosebud Sioux Tribe.