Don Tobi has been Underhill's Tree Warden since 2017. He has both a Bachelors and Masters of Science degree from the University of Vermont in Plant and Soil Science, specializing in forestry and forest health. He worked for 29 years at UVM in the Forest Pathology Lab and then at the Entomology Research Lab, specializing in forest entomology. He has worked on projects aimed at invasive species such as the Emerald Ash Borer and the Asian Longhorned Beetle. Don was also the caretaker and manager of the UVM Jericho Research Forest.