Jacque Demko is an enrolled member of the Mandan, Hidatsa, and Arikara Nation. She serves as First Nations' Stewarding Native Land’s Associate Director and leads the Climate, Community Pathways, and Environmental Sovereignty and Justice Initiatives.

Jacque received a Bachelor of Science degree in Biology with a concentration in environmental science from Stetson University. Post-graduation, she served as a Peace Corps education volunteer in Uganda. Upon completing her Peace Corps service, she earned a Master of Science degree in Biology with a concentration in Ecology and Evolution from the University of South Florida.