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Angie Jenson
Terra Firma Forestry owner and ISA Certified Arborist**

Owner of Terra Firma Forestry/Fire Ready -- Since 2003  



Derrick VerHulst

Head of Operations 

Professional Tree Climber for a solid 21 years

Crew leader, trainer, loader operator, and tree climber

Aerial Rescue Trainer

Cullen Weisbrod

Cullen Weisbrod
Terra Firma Forestry ArborCare Manager

Certified Professional Tree Climber

ISA Certified Arborist** 

USFS Fire Crew and Class B tree faller

EMT Certified


Alex Szyleyko
Terra Firma Forestry Lead Tree Climber

Trainer and ISA Certified Arborist

**An ISA Certified Arborist is an individual who is trained in the art and science of planting, caring for and maintaining individual trees.  Certification provides a measurable assessment of an individual’s knowledge and competence required to provide proper tree care.  As a Certified Arborist, I promise to you that I will provide you with all the ongoing knowledge from the nation’s leading experts on tree care.