Arborist Expert Witnesses

Arborist expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on arborist. The arborist expert witness listings on this page are typically from fields/areas of expertise such as: Arborist and Environmental.

JOHN BORNSWORTH Peninsula Environmental

Port Angeles, Washington
Arborist, Environmental - arborist, tree risk, tree appraisal , tree valuation, environmental restoration, habitat restoration, tree forensics
John Bornsworth is the owner and Principal of Peninsula Environmental Group, Inc., with 20 years of tree-related and natural resources experience. John specializes in urban & community forestry planning and policy; tree forensics, pathology, risk management, and providing expert witness testimony.  As of January 2021, there are 14 ASCA Registered Consulting Arborists (RCA) and 30 ISA Board Certified Master Arborists (BCMA) in Washington out of 417 ISA Certified Arborists. Only 7 individuals hold both the RCA and BCMA credentials together. Roughly 300 professionals hold both credentials nationwide, as of January 2021.  Attended and passed first Tree & Plant Appraisal Qualification training by ASCA. Less than 200 hold this credential nationwide, as of December 2023.  Routinely provide expert opinion and testimony on arboricultural, horticulture and vegetation management to areas of legal practice that include land use, real estate, trespass, negligence, and personal injury. ...