Focused on arboricultural consulting, tree risk management, and tree appraisal for more than 45 years, this expert provides evaluations involving tree failure analysis, casualty loss appraisal, tree and landscape valuation, construction impact assessment, root damage analysis, tree health evaluation, fire damage assessment, and the management of risks associated with mature trees. His expertise also includes post-failure investigations, hazard tree management, tree preservation during construction, vegetation management, and landscape appraisal. He has more than 35 years of expert witness experience providing consultations, depositions, and courtroom testimony involving tree-related injuries, property damage, valuation disputes, construction impacts, and arboricultural standards.

His professional experience includes serving as Owner and Manager, Consulting Arborist, Registered Consulting Arborist, Board Certified Master Arborist, Tree Risk Assessor, Arboriculture Instructor, and Expert Witness for a private arboricultural consulting practice, private tree service company, community colleges, and public agencies. Since transitioning to full-time consulting, his work has focused on tree and landscape appraisal, tree risk management, construction impact mitigation, root damage investigations, tree failure analyses, wildfire-related tree assessments, and arboricultural evaluations for litigation and insurance matters. Throughout his career, he has investigated matters involving casualty tree losses, tree failures resulting in personal injury, property damage, fire damage, trespass, construction-related tree injuries, hazard tree management, tree valuation, and vegetation management, while also providing design assistance and construction oversight to minimize impacts on preserved trees.

He holds credentials as an ASCA Tree and Plant Appraisal Qualified professional, ISA Board Certified Master Arborist, ISA Tree Risk Assessment Qualified, Registered Consulting Arborist, Certified Arborist, and California Licensed Landscape Contractor, along with a lifetime California Community College Teaching Credential in arboriculture. He has served in numerous leadership roles with the International Society of Arboriculture, the American Society of Consulting Arborists, and other professional organizations, including as Chair of the Plant Appraisal and Valuation Committee. He has authored peer-reviewed publications on tree appraisal, forensic arboriculture, tree risk assessment, and decay detection, and has delivered professional presentations on tree valuation, hazard assessment, wildfire litigation, and arboricultural best practices.