Tree and Landscape Valuation Consultants: 4

• Member, American Society of Consulting Arborists
• International Society of Arboriculture Certified Arborist
• ISA Certified Municipal Specialist
• Qualified Tree Risk Assessor
• WSDA Licensed Commercial Applicator with aquatic, horticultural and right-of-way endorsements
• WA Dept. of Ecology, Western Washington Wetlands Rating System Certificate
• Graduate of the rigorous Community Tree Management Institute (CTMI). Hosted by Urban and Community Forestry programs in Oregon and Washington

• Member, Society of Consulting Arborists
• Member of the International Society of Arborists
• Member of the Pacific Northwest Chapter of the ISA
• Member of the Society of Municipal Arborists
• Member of the Society of Ecological Restoration

John A. Harris, is Principal of Landscape Economics, LLC, President of Earth Advisors, Inc., and a LANDSCAPE ECONOMIST who has worked in the Arboriculture, Forestry, landscape, and horticultural fields for over 40 years. Mr. Harris has provided reputable consulting, education, and project management services for projects across the United States and internationally, in both temperate and tropical ecosystems. Areas of Expertise include:

• Landscape and Tree Risk Assessments
  • Landscape, Tree, Urban Forest, Nursery Plant Value Appraisals
  • Landscape, Tree, Urban Forest, Nursery Plant Damage Appraisals
  • Damage Assessments, Claims, and Recovery Consulting

• Arboriculture Industry Standards and Standard Practices
• Landscape, Arboriculture, Forestry, Environmental Project Management
• Utility Line Clearance Industry Standards and Standard Practices, Electrocution
• Landscape Industry Standards and Standard Practices- 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

David D. Hunter is a Consulting Arborist and the owner of David D. Hunter Certified Arborist, LLC, a full-service tree care provider. As a Consulting Arborist, he is dedicated to community enhancement and the protection of the environment. His services range from Consulting with residential clients on tree health and safety assessments, to working with camps, clubs, parks, schools, cities, counties and more on a variety of arboricultural concerns. Mr. Hunter has consulted on Arboricultural and Forestry issues in Oregon and other parts of the United States, worked with historical sites and trees, and has taught climbing and safety techniques to tree care professionals. With over 40 years of experience in the fields of Forestry and Arboriculture, his background includes managing all aspects of the tree-service company from worker safety and training to customer satisfaction. Mr. Hunter has specialized knowledge of the use of Resistograph and Air Spade for tree health and safety inspections. 

Consulting Services Include:

• Appraisals for Tree & Shrub Damage or Loss
• Arborist Reports
• Construction Management
• Tree Hazard and Risk Assessments
• Insect / Pest / Disease Diagnosis
• Permit Assistance
• Pruning & Fine Pruning
• Fruit Tree Pruning
• Ornamental Pruning
• Tree Preservation Plans

View David Hunter's Expert Witness Profile.

Arborgate Consulting, Inc. is an Arboriculture and Horticulture Consultancy working with insurance companies, major developers, theme parks, homeowners, homeowners' associations, landscape architects, landscape contractors, property managers, attorneys and governmental bodies.

Gregory Applegate, ASCA, ASLA, is an independent consulting Arborist, and CEO of Arborgate Consulting, Inc. He has been in the horticulture industry since 1963, providing professional arboricultural consulting since 1984 within both private and public sectors. 

Client List - Disneyland, Disneyland Hotel, DisneySeas-Tokyo, Disney’s Wild Animal Kingdom, the New Tomorrowland, Disney’s California Adventure, Disney Hong Kong project, Universal Studios, Knott’s Berry Farm, J. Paul Getty Museum, Dreamworks, Newport Coast, Crystal Court, Newport Fashion Island Palms, Bixby Ranch Country Club, Playa Vista, MTA Purple and Expo Lines, MWD-California Lakes, Loyola-Marymount campus, Cal Tech, Cal State Long Beach, Pierce College, UCI, USC, UCLA, and the State of California review of the Landscape Architecture License exam.

Business Consultant Services:

View Gregory Applegate's Expert Witness Profile.