Mr. Rattling Leaf is a citizen of the Rosebud Sioux Tribe and founding member of the GEO Indigenous Alliance. He develops programs that utilize the interface between Traditional Ecological Knowledge (TEK) and Western science. He applies his expertise in Earth observation technology to convey how TEK can be used with Western science to address the impacts of climate change.

He also teaches Cultural Intelligence methods, supports Indigenous engagement strategies, and serves Indigenous nations’ efforts through effective and respectful data application. He holds leadership roles with the University of Colorado-Boulder, North Central Climate Adaptation Center, Rosebud Sioux Tribe, Group on Earth Observations Indigenous Alliance, and the Ecological Society of America.