Managing Partners

Nicole Harrison

President
Consulting Arborist

ISA Certified Arborist #WE6500AM, TRAQ

ASCA Registered Consulting Arborist #719

Download CV 530.305.0165

Gordon Mann

Vice President
Consulting Arborist

ISA Certified Arborist #WE0151AM, TRAQ

ASCA Registered Consulting Arborist #480

Download CV 650.740.3461

Edwin Stirtz

Partner
Consulting Arborist

ISA Certified Arborist #WE0510AM, TRAQ

Download CV 916.878.0299

Consultants

Walt Warriner

Consulting Arborist

SAF Certified Urban Forester #108

ISA Certified Arborist #WE-0407AM

Download CV (310) 378-1764

Support Staff

Cory Kinley

Arborist

ISA Certified Arborist #WE9717A, TRAQ

Download CV 916.955.6162

Tyler Thomson

ISA Certified Arborist #WE12751A, TRAQ

Download CV 530.919.2136

Tom Stein

ISA Certified Arborist #WE12854A, TRAQ

Download CV 408.655.1175

Kari Gilleran

Assistant Arborist/Office Manager

Download CV 530.745.4086

Melanie Thomson

Administrative support

Download CV 530.745.4086