Guy is an ISA Board Certified Master Arborist, and author of 34 episodes in ISA’s Detective Dendro series. He is a former Curator and Lecturer at NC State University, Instructor at Duke University, and Staff Arborist at the University of North Carolina. Guy chaired the ANSI A300 Tree Care Standard committee that created the US Standard for tree inspection and root management.
Currently, for tree owners and managers he provides inspection, diagnosis, appraisal, reporting, and testimony services, in person and remotely. Guy also provides report review and other coaching services for other consulting arborists.
As Historic Tree Care, he engages with local arborists to manage trees with flare care, soil building, lightning and support systems and pruning, to maximize tree health, safety, value, and longevity.