Plants Expert Witnesses: 3

David D. Hunter is a Registered Consulting Arborist  with ASCA, USFS Trained Tree Risk Assessor, ISA Certified Arborist. ISA Tree Risk Assessor Qualified Professional Plan Appraiser and Professional Forester. Providing both Expert Witness and Consulting Services. David D. Hunter has been called upon to testify in court and has helped his clients reach resolution prior to trial. His services include: Expert Witness in Arboriculture and Forestry, professional plant appraisals of landscapes, trees and timber trespass, Tree Forensics as to why a tree or tree part failed causing injury or death, tree health and hazard/ risk assessments, and insurance claims relating to damage to tree, or people/property damaged by trees. David D. Hunter has over 40 years of experience from working in forestry, wildland fire and the field of arboriculture. David D. Hunter has been a consultant and expert witness in these fields for over 25 years. David D. Hunter services the western United States but is available nationwide.

Areas of Expertise:

• Arboricultural and Timber Trespass Issues
• Tree Forensics
• Tree Inventories
• Tree Surveys and Tree Protection Plans
• Tree Preservation Plans and Construction Sequences
• Hazard Tree Evaluations and Reports
• Appraisal of Loss Reports regarding Landscape Value Loss
• Arborist Reports

Training & Certifications:

• Certified as an Arborist PN-1068A, by the International Society of Arboriculture (ISA) - 1997-Present
• Graduate American Society of Consulting Arborists (ASCA), Arboriculture Consulting Academy
• Tree Failure Training Conference, Certified as Evaluator Portland, OR
• Registered Consulting Arborist membership in ASCA, RCA #408 (2003)
• US Forest Service Hazard Tree Risk Assessor Trained since 1979
• Certified Tree Risk Assessor (CTRA) by PNW ISA # PN-0150 (2006)ISA Tree Risk Assessor Qualified (2017)

View David Hunter's Consulting Profile.

Julian Forbes-Laird is a Chartered Arboriculturist, Arboricultural Association Registered Consultant, experienced Expert Witness and Principal Consultant of Forbes-Laird Arboricultural Consultancy Ltd. Mr. Forbes-Laird has a professional practice working throughout the UK and overseas. He covers all aspects of arboriculture, specializing in planning, tree safety and litigation related matters.

Mr. Forbes-Laird is supported by a team of regionally based consultants, giving him national and international reach. He sets the standard for client service, works throughout the UK and abroad, provides commercially realistic strategic advice, prepares sensitive yet practical management plans, works within project design teams to evolve arboriculturally defensible layouts, wins planning appeals, and handles an enormous amount of work under pressing deadlines helping clients' achieve the best outcome. 

Mr. Forbes-Laird is widely recognised as an authority on legal issues pertaining to trees and is an experienced Expert Witness. His expert services include Pre-Action Case Evaluation, TPO Prosecutions, Forensic Accident Investigation and Tree Root Damage to Buildings. Other Services Include:

• Planning for Developers and Local Authorities
• Tree Preservation Orders (TPO's)
• Safety Inspections
• Subsidence
• Expert Witness
• Landscape Design

John A. Harris, Principal of Landscape Economics, LLC, and President of Earth Advisors, Inc., is a LANDSCAPE ECONOMIST who has worked in the Arboriculture, Forestry, landscape and horticultural fields for over 20 years. Mr. Harris has provided reputable consulting, education and project management services for a wide variety of projects across the United States and internationally, in both temperate and tropical ecosystems. Areas of Expertise:

• Arboriculture, Landscape, Plant Nursery, Industry Standards and Practices
• Landscape and Tree Risk Assessments
• Landscape and Tree Value Appraisals
• Landscape and Tree Damage Appraisals
• Storm Damage Assessments, Claims, and Recovery

• Arboriculture Industry Standards and Practices
• Landscape, Arboriculture, Forestry, Environmental Project Management
• Utility Line Clearance Industry Standards and Practices
• Landscape Industry Standards and Practices for design, installation, maintenance
• Personal Injury and Wrongful Death involving tree or landscape issues
• Municipal Tree Inventory and Management Plans
• Duty of Care and Negligence in Tree and Landscape Maintenance
• Forestry and Forest Resources Management
• Grounds Maintenance Practices
• Arboriculture and Arborist Practices