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TREE Fund Board of Trustees 2026
Our board members share a passion for healthy trees in our communities and healthy growth in the tree care industry. Our all-volunteer, working board represents a broad spectrum of expertise in commercial, municipal and utility arboriculture, academia, research, manufacturing and communications. TREE Fund embraces diversity to ensure that a range of perspectives and experiences are incorporated in the work of its board; arboriculture experience is not required.
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David Gorden, FASLA, Chair
Mark M. Holeman, Inc.
Indianapolis, IN
Biography
Executive & Governance Committee Chair
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Sam VanMaanen- Chair Elect
Arborwear
Pella, IA
Biography
Development Committee Chair
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Jon Hicks, Vice Chair
Wright Tree Service
Cumming, IA
Biography
Audit & Finance Committee Chair
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Carol Donnelly, Treasurer
Bartlett Tree Experts
New York, NY
Biography- Coming soon
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Patrick Franklin, Past Chair
Bartlett Tree Experts
Charlotte, NC
Biography
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Rachel Barker, Past Chair
ArborMetrics Solutions, LLC
Tallassee, AL
Biography
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Anne Beard
Filsinger Energy Partners
Edgewood, NM
Biography
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Kristina Bezanson
UMass- Amherst
Amherst, MA
Biography
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Asia Dowtin, PhD
Michigan State University
East Lansing, MI
Biography
Communications Committee Chair
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Megan Fielding
Asplundh Tree Expert, LLC
Wayne, PA
Biography
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Andrew Koeser
University of Florida, Gulf Coast Research and Education Center
St. Petersburg, FL
Biography
Research & Education Committee Chair
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Kyle McCann
Wright Service Corp.
West Des Moines, IA
Biography
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Ben Rickenbacker
City and County of Denver, CO
Littleton, CO
Biography
Liaison Committee Chair
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Cindy Schwab
The Davey Tree Expert Company
Pleasant Prairie, WI
Biography
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Vivek Shandas, PhD
Portland State University
Portland, OR
Biography
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Emeritus
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Steve Geist, BCMA RCA
Trustee Emeritus
SavATree
Denver, CO
Biography
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John Lloyd
Trustee Emeritus
Tech Tree Experts Inc.
Blacksburg, VA
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James Zwack
Trustee Emeritus
The Davey Tree Expert Company
Kent, OH
Biography
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Allan West
Chairman Emeritus
U.S. Forest Service, Retired
Ojai, CA
Biography
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TREE Fund Staff
TREE Fund office operates remotely. If you require immediate assistance, please send us an email (addresses provided below).
TREE Fund Liaisons
TREE Fund Liaisons provide a vital link to allied organizations in the fields of arboriculture and urban forestry – primarily local ISA Chapters. Liaisons are a critical communication conduit between TREE Fund and the industry organization they represent. Liaisons “friendraise” for TREE Fund by sharing TREE Fund news and research results with their organization, working a TREE Fund booth at their annual Chapter conference, encouraging their Chapter and its members to support TREE Fund, and connecting people in their circle of influence with TREE Fund and its activities.
Ben Rickenbacker – Rocky Mountain Chapter- Chair
Kris May – Indiana Arborist Association – Vice Chair
Warren Hoselton- Canadian TREE Fund
Erik Laber – Dakotas Chapter ISA
Andrew Koeser- Florida Chapter ISA
Danae Jackson- Georgia Arborist Association
Mike Priller – Illinois Arborist Association
Mike Cimprich – Iowa Arborist Association
Dave Leonard – Kentucky Arborist Association
Bob Tarabula – ISA Michigan
Robert Shaut – Mid-Atlantic Chapter ISA
Pete Smith – Midwestern Chapter ISA
Blake Thilmony – Minnesota Society of Arboriculture
Paul Sellers – New England ISA
Joshua Best – New Jersey Chapter
Lori Brockelbank – New York State Arborists, ISA Chapter
Brian Kralovik – Ohio Chapter ISA
Sterling Malcomson- Pacific Northwest ISA
Jon Schach- Penn-Del Chapter ISA
Matt Searels – ISA Southern Chapter, Inc.
Amy Langbein Heath – ISA Texas
Alex Morris – Utah Chapter
Greg Mink – Western Chapter ISA
Luke Scheberl – Wisconsin Arborist Association
To inquire about being a TREE Fund liaison, consult your local ISA chapter, or reach out to Jonathan for information.
