ATC ’20 Becomes Virtual Conference

Over the past six months, the ATC Committee, led by chairs Katie Kosanke and Angel Spell, identified programs and speakers for this year's theme, Canopy Connections: Advancing Equity, Wellness & Community in Arboriculture. Unfortunately, due to the COVID-19 pandemic and many unknown variables impacting the health and safety of members and guests, the ATC Committee felt it was best to cancel this year's in-person conference and replace it with a virtual conference instead.

While this year's conference will differ from past ATC's, our goal is to provide the same quality education and networking opportunities that everyone looks forward to annually. If there's a silver lining, it may be that those limited by financial and geographic constraints can now participate. Plus, having a virtual conference enables us to be more flexible with number of offerings, scheduling, etc.

As plans are finalized, PNW-ISA will notify members via email, this web page and social media posts. Until then, stay safe and healthy and get ready for some fun virtual activities and events coming this October!

PNW-ISA thanks the ATC committee members below for donating their time, energy and talents to the success of this year's conference.

Planning Committee Co-Chairs

Katie Kosanke
Urban Forester, City of Spokane

Katie has been with the City of Spokane since November 2018. Previously, Katie was the Urban Forester for the City of Coeur d’Alene Idaho for six years and Urban Forestry Assistant for five years. She is an ISA Certified Arborist Municipal Specialist and holds the Tree Risk Assessment Qualification.


Angel Spell
Assistant Director of Natural Resources, City of Spokane Parks & Recreation

Angel is an experienced arborist, urban forester, and natural resource manager dedicated to the municipal parks and recreation environment for the past 15 years. She is certified by the International Society of Arboriculture as an Arborist, Municipal Specialist, and qualified Tree Risk Assessor. Angel serves as chairperson of the Washington Community Forestry Council, an advisory board to the state Department of Natural Resources and the Commissioner of Public Lands.

Volunteer Co-Chairs

Tim Kohlhauff
Urban Horticulture Coordinator, Washington State University-Spokane County Extension Office

Tim Kohlhauff assists with plant problem diagnosis and has led the local Master Gardener volunteer program since 2012. He is an adjunct instructor at Spokane Community College where he has taught Arboriculture, Advanced Arboriculture, and Plant Problem Diagnosis classes. For 10 years, Tim was the arborist at the Spokane Country Club golf course. He has been an ISA Certified Arborist since 2004.


Caleb McIlrath
Campus Arborist, Whitworth University

Caleb McIlraith grew up among the coastal redwoods of Northern California and moved to Spokane in 2009. He has worked at Whitworth University as the Campus Arborist since 2017. Because of his leadership, Whitworth is in its third year as a Tree Campus USA. Caleb’s background is in landscape maintenance and commercial tree work but he studied theology and philosophy in college. This education background informs his passion for creation, care, and sustainability, and his interest in the intersection between humans and the environment.

Program Co-Chairs

Tim Kohlhauff
Also Volunteer Co-Chair

Garth Davis
Forestry Program Manager, Spokane Conservation District

Garth Davis is in his 14th year as the Forestry Program Manager at the Spokane Conservation District. He takes pleasure in helping people take care of their trees and forests. Garth is an ISA Certified Arborist and a SAF Certified Forester. He lives in Spokane with his wife Cindy and enjoys riding dirt bikes.

Program Team

Matt Ugaldea
Transmission System Forester, Avista

Matt Ugaldea has been practicing forestry for over 20 years. His career started in 1998 working in the forests of Western Montana for a small logging company. In 2000 he graduated from the University of Montana with a Bachelor’s of Science degree from the School of Forestry where he obtained a Forestry degree with an emphasis in resource conservation and forest soils. Shortly after obtaining his degree, Matt went to work for the Washington State Department of Natural Resources (DNR). During this time, he worked in the forests of Okanogan, Ferry, Stevens, Pend Oreille, Spokane and Lincoln counties. Matt has diverse experience in timber management, wildland fire fighting, small landowner assistance, siliviculture and forest policy. In 2018, Matt left the DNR to peruse a career with Avista Utilities, where he currently acts as the Transmission System Forester, and is actively engaged in utility arboriculture and wildfire resilience.

When not at work, Matt enjoys spending time with his wife (Shay) and two kids (Gus and Lucy) camping in their tent trailer.

Preston Hill
City of Post Falls

Jose Villa
Spirit Pruners

Amber Ramirez
Spirit Pruners

Caleb McIlrath
Also Volunteer Co-Chair

Field Day Chair

Nick Goodwin
City of Coeur d’Alene

Nick Goodwin is the Urban Forester for the city of Coeur d’Alene Parks and Recreation department in Coeur d’Alene Idaho. After several years in the Golf course industry, he took a position with the City of Coeur d’Alene parks department. Nick had the opportunity to work under other Municipal certified arborists and Board-Certified Master Arborists. After studying arboriculture at Spokane community canopy Nick became a certified Arborist in 2014. In 2018 Nick Started as the Urban Forester for the City of Coeur d’Alene Parks and Recreation department. Nick lives in Hayden Idaho with his wife of 13 years and 4 and half year-old daughter.

Sponsorship & Exhibits Chair

Hilary Sepulveda
Spokane Conservation District

Special Events Chair

Josh Oakes
Recreation Supervisor, City of Spokane Parks & Recreation Department

Josh has over 13 years of experience in the parks and recreation profession working with groups ranging from aquatics facilities, adult and youth athletics, special events, and summer camps. He graduated from the University of Idaho with a BA in Recreation. He is certified by the National Recreation and Parks Association as a Certified Parks and Recreation Professional and an Aquatic Facility Operator.

Additional Committee Members & Contributors

Jim Flott
President, Community Forestry Consultants

Jim Flott is president of Community Forestry Consultants, Inc. (CFC). CFC provides TreeWorks™ tree management software; inventories and appraisals; management plans; risk assessment and risk management plans; tree preservation plans; diagnosis; expert witness; forensic investigations; urban forestry program reviews; training workshops; and urban forestry, arboriculture, and horticulture consulting services to individuals, corporations, universities, municipalities, county and state agencies, cemeteries, and golf courses in the United States and Canada. He received his B.S. degree in horticulture from Iowa State University and his M.S. degree in forest pathology from the University of Arizona and has over 40 years work experience in the horticulture, urban forestry and arboriculture industries. He is an ISA certified arborist and certified municipal specialist; American Society of Consulting Arborists registered consulting arborist; PNW-ISA TRACE instructor and certified tree risk assessor; and ISA TRAQ instructor and assessor.

Phil Bennett
City of Snoqulamie and PNW ISA Board Member

Charles Ray
City of Vancouver and PNW ISA Board Member


ATC '21

Hotel Murano
Tacoma, WA
September 18-21, 2021

ATC '22

Coeur d'Alene Resort
Coeur d'Alene, ID
October 1-4, 2022

ATC '23

Location TBD
Victoria, Canada
Fall 2023