Thank you to our donors, sponsors, and volunteers. 2025 was a year of growing knowledge through research, advancing education, and expanding opportunities in arboriculture.
Together, we care for trees.
🌳WCISA Board | ⭐The Britton Fund Board | Ⓜ Monthly Giving Program
Our Donors. Thank you for being the foundation of our work.
Zeno Action, CA
James Allen, CA
Doug Anderson, CA⭐
Roger Anderson, NC
Henry Ardalan, CA
Renaldo Arroyo, CA
ATCS Holding, Inc., CA
B & M Land and Garden, CA
David Babby, CA
Stanley Baczynski, CA
Valerie Beck, CA
Rebecca Beisenstein, AZ
Sharon Bober, CA
Kelly Bracken, NY
Denice Britton, CA
Roger Bucholtz, CA
Cal-Line Equipment, CA
Evelyn Campbell, AZ
Jodi Carlson, CA
John Crandell, NV🌳⭐
Sharon Ding, CA
Thomas Dodge, CA
Downer Family Trust, CA
Kevin Eckert, HI🌳⭐
Brandon Elrod, CA🌳
Rose Epperson, CA🌳⭐Ⓜ
Kathleen Falamino, MA
Cristan Falso, CA
Lisa Friedlander, NY
Walter Fujii, CA
Saumya Gupta, CA
Bruce Hagen, CA
Nancy Hughes, CA⭐Ⓜ
Jamie Inashima, CA
ISA
Ken Knight, CA
Natalie Kohen, CA
Alison Lancaster, CA🌳
John Leffingwell, CA
LiUNA Local 585, CA
Sarah Maitland, AZ🌳
Gordon Mann, CA
Hanna Masaryk, NY
Gordon Matassa, CA🌳
Meyer Charitable
Gift Fund, OH
Katherine Naegele, CA
Becky Nicolaides, CA
Sarah Norris, CA
Justin Ono, CA
Pacific Gas & Electric, CA
Jonathan Paul, NY
John Pavlik, CA
Pouya Payan, CA
Thomas W. Pramuk, CA
Dawn Priore, NY
RDO Equipment Co., CA
Ryan Rios, CA
Matt Ritter, CA
Arthur Sager, NY
Kaitlyn Shelton, CA
Molly Sinnott, NV
Lisa Smith, CA⭐
William Spiewak, CA
Jeff Spohn, CO🌳
Thomas Stein, CA
Carla Surber, CA
Dennis Swartzell, NV⭐
Susan Talty, CA
Alyce Traverso, CA
Andrew Trotter, CA
Western Chapter ISA
Scott Wheeler, CA
Rhonda Wood, CA🌳
Fred Zammataro, CA
Britton Fund Ride Cyclists and Road Volunteers. Thank you for your gift of time and energy.
Doug Anderson, CA⭐
Chad Brey, CA
John Crandell, NV🌳⭐
Johanna Fogolin, NV
Lisa Galluzzo Sharman, AZ
Steve Geist, CO
Ryan Gilpin, OR
Grayson Keating, NC
Ian Kesterson, CA
Lucy Klinkhammer, NV
James Komen, CA
John Leffingwell, CA
Danny Mahoney, CA
Justin Menzel, AZ
Frederick Roth, CA
Paul Sharman, AZ
Dennis Swartzell, NV⭐
Tim Womick, NC
Britton Fund Ride Donors. Thank you for supporting our cyclists.
Doug Anderson, CA⭐
Nicole Angene, CA
Jonathan Anton, CA
Beverly Babb, AZ
Chad Blackwell, CA
Molly Cardinet, AZ
Rosalie Chavez, CA
Russell Clark, OK
Rebecca Clemence, AZ
Patty Cox, UT
John Crandell, NV🌳⭐
Joseph Crippen, CA
Katie Crippen, CA
Nick Divine, CA
Thomas Dodge, CA
Wendy Draper, CA
Thomas Ellis, CA
Kathleen Falamino, MA
Doug Fisher, AZ
Johanna Fogolin, NV
Rita Franco, CA
Steve Geist, CO
Deanne Goff, CA
Darren Goodman, AZ
Julia Gowin, CA🌳
Peter Harnisch, CA
Becky Harper, CA
Marcia Hataye, CA
Sewellyn Kaplan, CA
Barry Khan, CA
Edwin Komen, MD
Alison Lancaster, CA🌳
Francine Lai, CA
John Leffingwell, CA
Connie Li, CA
Julie Looss, FL
Danny Mahoney, CA
Jolynn Mahoney, CA
Kelly Mahoney, NY
Martha Mahoney, CA
Megan Mahoney, CA
Pat Mahoney, CA
Richard Mahoney, CA
Sara Maitland, AZ🌳
Gillian Martin, CA
Gordon Matassa, CA🌳
Nelda Matheny, CA
Erik Mauel, AZ
Sean McKaig, CA
Carl Mellinger, CA⭐
John Melvin, CA
Amelia Menzel, CA
Justine Menzel, CA
Jose Muniz, AZ
Steve Narrow, ID
Susan Nawbary, CA
Mathew Noriega, AZ
Pacific Gas & Electric, CA
Mike Palat, CA
Gary Peterson, CO
Daniel Pskowski, CA
Theresa Rincon, AZ
Abigail Roque, CA
Frederick Roth, CA
Frank Saldana, AZ
SAVTree, AZ
Rebecca Senior, AZ
Molly Sinnott, NV
Katrina Smith, TN
Lisa Smith, CA⭐
Dennis Swartzell, NV⭐
Tracey Takeuchi, CA🌳
Marie Tan, CA
Annette Torrijos, CA
Elmer Torrijos, CA
Francheska Torrijos, CA
Grance Torrijos, CA
Andrew Trotter, CA
Ann Unland, CA
Emmanuel Ventura, CA
Morgana Von Stauffenberg, CA
Evan Walker, CA
Cathy Ward, NY
Walter Warriner, HI
Carl Williams, CA
Joy Williams, CA
Brenda Wong, CA
Nick Woodin, CA
Angela Wysocki, CA
Kunyu “George” Zhang, NV
Britton Fund Ride Corporate Event Sponsors.
Thank you for supporting our fundraising event.
Anderson’s Tree Care Specialist, Inc., CA
Arbor Global, HI
California Tree & Landscape Consulting, CA
Epicenter Management, CA
Gerber Kawasaki, CA
Hortscience|Bartlett Consulting, CA
Mann Made Resources, CA
Shigo & Trees, WA
Target Specialty Products, CA
West Coast Arborists, Inc. CA
Silent & Live Auction Event.
Thank you for donating the items and bidding high that made the auction a success.
Michael Ackerson, AZ
Rubin Acosta, CA
Doug Anderson, CA⭐
Jeff Anderson, NM
Renaldo Arroyo, CA
Beverly Babb, AZ
Juan Barba, AZ
Kristen Battafarano, AZ
Rebecca Beisenstein, AZ
Rhonda Bell, AZ
Stephanie Boone, TX
Denice Britton, AZ
Madeline Burton, AZ
Linda Chalker-Scott, WA🌳
John Crandell, NV🌳⭐
Davey Resource Group, CA
Dey Deguzman, CA
Magdalena DeSalme, TX
Annie Donner, CA
James Downer, CA⭐
Marcy Ellis, AZ
Rose Epperson🌳⭐Ⓜ
Bonnie Ervine, AZ
Glen Fahringer, AZ
Kathleen Falamino, MA
Andrew Falk, AZ
Alison Faller, AZ
Anne Fenkner, CA
Carlos Flores-Peinado, AZ
James Flott, WA
Benny Forsythe, CA
Rita Franco, CA
Sotero Garcia, Mexico
Joshua Gevertz, CA
Brandon Glover, VA
Juan Francsico Gonzalez, Mexico
Chris Gooden, CA
Preston Goodman, NV
Amber Graves Alvares, CA
Nicole Hill, CA
David Hines, NV
Michael Hyatt, CA
Lucy Klinkhammer, NV
Ken Knight, CA
James Komen, CA
Natalie Krug, CA
Carol Kwan, HI
Alison Lancaster, CA🌳
Kathryn Lancaster, CA
Danny Mahoney, CA
John Mahoney, CA
Sarah Maitland, AZ🌳
Mann Made Resources, CA
Gordon Mann, CA
Kit Martin, NC
Gordon Matassa, CA🌳
Sheri McLane, AZ
Elizabeth Mendoza, CA
Justin Menzel, CA
Katie Moehn, IA
Humberto Mojica, CA
Maureen Murphy, HI
Rashan Nagappan, AZ
Llana Nimz, HI
Steve Nimz, HI
Joe Noriega, NV
Sarah Norris, CA
Mike Palat, CA
Matt Ritter, CA
ML Robinson, NV
Tammy Rominger, CA
Frederick Roth, CA
Christi Ruiz, TX
John Ruiz, NV
Tadd Russikoff, TX
Frank Saldana, AZ
Oscar Sanchez, CA
Ursula Schuch, AZ
Rebecca Senior, AZ
Judy Shigo Smith, WA
Kevin Sims, CA
Susan Sims, CA
Nevada Shade Tree Council, NV
Mary Slachter, AZ
Lisa Smith, CA⭐
Karin Strub, FL
Dennis Swartzell, NV⭐
Tracy Takeuchi, CA🌳
Taylor Guitars, CA
Aida Terzich, MD
Mary Terzich, MD
Marisa Thompson, AZ
Andy Trotter, CA
Tony Valenti, NV
Walt Warriner, HI
West Coast Arborists, CA
Western Chapter ISA
Scott Wheeler, CA
Mercedes Wiegmann, IA
Timmy Womick, NC
Rhonda Wood, CA🌳
Kunyu “George” Zhang, NV
Did we misspell or overlook your name? We want to know! Please email us at info@thebrittonfund.org.
Your gift strengthens research, education, and the tree-care community.
Let’s do more together. Donate today!
We are proud to continue to qualify for the Platinum Seal of Transparency with Candid for 2026. You can support our work with trust and confidence by viewing our profile on Guidestar. The Britton Fund, Inc. is a 501c3 nonprofit organization. Contributions are tax-deductible within the limits of the law. Stand with WCISA members and make your donation today.