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: 

• 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

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:

• 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.