Daniel J. Maple

Daniel J. Maple, Registered Consulting Arborist, ISA Board Certified Master Arborist, ISA Municipal Specialist, ISA Tree Risk Assessment Qualified, Tree & Plant Appraisal Qualified is an arboriculture and urban forestry expert specializing in risk assessment, forensic investigation, and tree & plant appraisals. With a career encompassing hands-on experience in natural disaster response and urban forestry management, he brings a practical and scientifically grounded perspective to his litigation work. His work centers on investigating tree failures, assessing risk mitigation strategies, and evaluating compliance with industry standards.

Mr. Maple has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to timber trespass, municipal tree inventories, and construction-related tree damage. His education from the ASCA Academy and WSU in Horticulture, along with certifications such as ISA Board Certified Master Arborist and Tree Risk Assessment Qualified, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving arboricultural issues.