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Dave Leonard
Arbor Advocate

keeping trees healthy

Image by Ricardo Gomez Angel

MISSION

I am an advocate for trees, both to the public and for my fellow arborists. I promote tree preservation through good tree science. My goal is to keep trees around as long as they are safe, and to share my experience and expertise about trees and their benefits.

Services

Image by Dylan McLeod

Consulting

Expert Witness, Tree ID and Valuation, Damage Evaluation, Inventory, Tree Risk Assessment, Care plans 

"A people without children would face a hopeless future; a country without trees is almost as helpless"

~Theodore Roosevelt ~
Group Planting a Tree

Education

Lectures, Workshops, Presentations, School groups, Clubs, and more

"Planting a tree in the right place" is a lot more complicated than it seems. 
Image by Benjamin Brunner

Training

For teams or employees working with or near trees

Good tree structure is crucial to tree longevity
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Zipline Safety

Conducts required annual arborist review of ziplines and adventure courses that are based in trees.

Soil compaction is tree enemy #1
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Supersonic AirKnife

Supersonic Air Knife sales and training.  

"A grove of giant redwood or sequoias should be kept just as we keep a great and beautiful cathedral" 

~Theodore Roosevelt~
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