James Komen is a consulting arborist in California specializing in risk assessment and tree appraisal. He helps clients make informed management decisions for individual trees and for tree inventories. His work has been published in Arboriculture & Urban Forestry, Arboricultural Consultant, Palms, Ontario Arborist and Western Arborist. He is an ISA TRAQ instructor and has taught workshops on tree appraisal around the U.S. and Canada.