Larry Stevens is the director of the 501(c)3 Springs Stewardship Institute (htpps://springstewardshipinstitute.org), and is the honorary curator of ecology at the Museum of Northern Arizona, both in Flagstaff. He brings to bear five decades of scientific research on sensitive species, springs and aquatic ecosystem ecology, land and water resources management, and advisement to Tribes and all levels of governance about water resources. He has authored more than 150 scientific and popular publications, including recent books on river running in Grand Canyon, stream ecology, dragonfly biogeography, and the global conservation crisis facing spring ecosystems.