Charles Schelz has been the ecologist for the Cascade-Siskiyou National Monument since 2017. Over the past 30 years, he has worked with a number of organizations, including the National Park Service, The Nature Conservancy, Oregon State University, San Francisco State University, BioWest Consulting, and the Forest Service. His interests include ecological research, inventory, monitoring, and the restoration of native ecosystems. He co-coordinates the Cascade-Siskiyou Butterfly Monitoring Network with Candace Fallon of the Xerces Society.