John Bornsworth

John Bornsworth - board certified master arborist


Urban & Community Forester | Board Certified Master Arborist

Trees are a repository of their entire natural history.

John Bornsworth is a Board Certified Master Arborist and Registered Consulting Arborist. His background is in ecological restoration and vegetation management. John represents commercial arboriculture on Washington State’s Urban Community Forestry Council. John is project manager for tree, shoreline and restoration projects. He is an experienced expert witness and has extensive time consulting and providing testimony on a variety of situations related to trees, vegetation and critical areas.

Certifications and Licenses: 

• Registered Consulting Arborist #724

• International Society of Arboriculture (ISA) Board Certified Master Arborist # PN-7955BM

• Certified Wildfire Mitigation Specialist

• ISA Certified Arborist Municipal Specialist

• ISA Tree Risk Assessor Qualified

• Permaculture Design Certificate

• Certified Erosion & Sediment Control Lead

Graduate, Community Tree Management Institute – WA & OR State University

Washington Department of Agriculture Commercial Pesticide Operator with aquatic, horticultural and right-of-way endorsements. License #87736.

• Graduate, ASCA Consulting Arborist Academy – 96% final report

• Qualified to use Washington Department of Ecology Wetland Rating System

• Wilderness First Responder, 2009-2017

• Former Helicopter Crew Member (HECM) – National Wildfire Coordinating Group, 2009-2014

Memberships and Board Experience: 

• Member, American Society of Consulting Arborists (ASCA)

• Member, Society of American Foresters

• Member, Society of Ecological Restoration

Washington Community Forestry Council, Executive Adviser

• Past President, Olympic Peninsula Mycological Society

Presentations, classes, speaking events, talks:

• Environmental Justice in Urban Forestry – Municipal Action

• Storm Recovery Preparedness: A Guide to Damage Prevention & Disaster Planning

• Benefits of Urban Trees

• Watershed Health in Arboriculture

• Community Forests and Native Forests Tour

• Engaging Private Residences in Invasive Plant Management

• Using Science in our Daily Lives

• Tree & Orchard Pruning

• Lead trainer of 4-day Arboriculture & Tree Climbing Workshop for Washington Department of Ecology

Looking for a tree doctor or biologist?

Get in touch with John today.