He is the aquatic invasive species and watershed health extension specialist and the Assistant Extension Program Leader for the Oregon Sea Grant College Program. Sam's education and research focuses on both the biological and social dimensions of invasive species prevention and early detection in the context of watershed health for both professional and youth audiences. Prior to joining the faculty at Oregon State University, Sam served as research plant physiologist with the USDA Forest service where led studies on riparian area ecology, function and management. Back to Top