Sandy Guerrieri has worked in natural resource management on large landscapes for more than 30 years. When working for the Forest Service, Sandy managed recreation, trails, and wilderness in the Gunnison Basin. A life-long advocate of protecting land and water, Sandy currently serves on the Gunnison Land Preservation Board and has previously served as the President of the Gunnison County Stockgrowers Association. Sandy and her husband Burt, a fifth-generational rancher, own and operate the Mill Creek Ranch north of Gunnison in the Ohio Creek Valley. Their privately-owned lands are protected with several conservation easements held by Colorado Open Lands.