This arboriculture expert witness has more than 40 years of professional experience in tree care, urban forestry, and consulting arboriculture, having worked in the industry since 1976 and provided consulting services since 1992, with more than 15 years of deposition and courtroom testimony experience. He has been retained by both plaintiffs and defendants in matters involving tree failure investigation and causation analysis, property damage, personal injury, accidental death, root encroachment, infrastructure damage, fire-damaged trees, and wrongful tree removal. His practice includes forensic tree failure analysis, tree risk assessment, construction-related tree preservation, ordinance development and review, urban tree inventory and management planning, and tree and plant appraisal for eminent domain proceedings and IRS casualty loss claims. He is an International Society of Arboriculture (ISA) Certified Arborist (since 1991), an ISA Certified Tree Risk Assessment Graduate, and a 2007 Consulting Academy Graduate of the American Society of Consulting Arborists, and is a former California State Licensed Contractor (D49/C61 classifications; active from the 1990s through 2023). He has authored professional publications addressing pruning standards, valuation methodology, and regulatory issues affecting the tree care industry, and maintains professional affiliations with the American Society of Consulting Arborists, the Western Chapter International Society of Arboriculture, the California Urban Forestry Council, and the California Tree Failure Report Program.