is the Massachusetts Arborists Association Professor of Commercial Arboriculture at the University of Massachusetts in Amherst, MA. He is an ISA Certified Arborist and serves on the ISA Board of Directors. He previously chaired the ISA’s Science and Research Committee. His research focuses on […]
Will Koomjian and Brian French have climbed some of the largest and tallest trees in the USA as part of their ongoing tree preservation project, Ascending the Giants. Will and Brian are Certified Arborists, Tree Risk Assessors and Climber Specialists, and […]
is a geomorphologist with 32 years of experience in mechanistic analysis of unstable-channel systems, streambank erosion, cohesive-sediment entrainment, the role of riparian vegetation, “reference” sediment-transport rates and river restoration. His project work has taken place throughout the United States and around the globe. Dr. […]