Board of Director terms and duties are outlined in SERNW’s by-laws, Article V

Executive Committee


President | Regina Wandler
As the Stewardship Manager at Skagit Land Trust, Regina is responsible for monitoring and managing over 8,000 acres of conservation land across Skagit County. She began serving on SERNW’s board in 2015 while completing her Masters in Environmental Horticulture at the University of Washington, and is a Certified Ecological Restoration Practitioner In Training (CERPIT). She also serves on the board of her family’s tree farm (Clyde Tree Farm), which is in Kitsap County, WA. She is passionate about engaging community members in caring for natural places.

Executive Vice President | Rolf Gersonde
Rolf is a forest ecologist working on landscape scale forest restoration projects in Seattle’s mountain watersheds. He is interested in climate adaptation and natural history. Rolf has worked with SERNW since 2012, has organized several regional conferences, and filled different board functions for the chapter. His current focus is on board development and chapter policies. He is involved in organizing the Restoration Professional Program in collaboration with the UW Botanic Gardens. Rolf lives at the foot of the Cascade Range and enjoys exploring the mountain wilderness.


Program Vice President – Interim | Caitlyn O’Connor
Caitlyn is a Master’s student at the School of Environmental and Forest Sciences at the University of Washington. She is exploring the perceptions of the impacts of stormwater pollution on the Puget Sound stormwater social-ecological system for stormwater management.

SER Regional Representative | David Polster
Dave is a plant ecologist with over 35 years of experience in vegetation studies, reclamation and invasive species management. He graduated from the University of Victoria with an Honours Bachelor of Science degree in 1975 and a Master of Science degree in 1977. He has developed a wide variety of reclamation techniques for steep/unstable slopes as well as techniques for the re-establishment of riparian and aquatic habitats. He is the past-president of the Canadian Land Reclamation Association and is a founding member of and is the treasurer for the Western Canada Chapter of the Society for Ecological Restoration and is the NW Regional Representative on the SER international board. He serves on the board of the Invasive Species Council of BC.

Treasurer | Samantha Rich
Wild Restoration

Secretary | Michael Yadrick
Michael is a Plant Ecologist with Seattle Parks and Recreation. Supporting Green Seattle Partnership efforts, he designs and directs the work on restoration projects throughout Seattle’s forested natural areas. He is also enthusiastic about supporting conservation and restoration of Pacific madrone ecosystems and is the creator and host of treehugger podcast. Michael joined the Board in 2019.

Web Manager | Scott Brekke Davis
Scott is a restoration ecologist who owns and operates Cascade Ecology, a contracting company focused on habitat restoration and native plant gardens in King County, Washington. Scott previously served as volunteer coordinator for the SER student chapter at the University of Washington, Seattle, and he joined SER-NW board in order to connect with and serve the community for ecological restoration in the Pacific Northwest. Scott sees the next decade as a crucial time for accelerating and evolving the field of restoration ecology, and is committed to serving that effort in this region.

Student Chapter Board Member | Caitlyn O’Connor
Caitlyn is a Master’s student at the School of Environmental and Forest Sciences at the University of Washington. She is exploring the perceptions of the impacts of stormwater pollution on the Puget Sound stormwater social-ecological system for stormwater management.


Sub-Regional Representatives


Director at Large Position 1 | Ben Peterson
Ben is an aquatic weed biologist with the King County Noxious Weed Program in Seattle, WA, where he has worked since 2009. Over the years he has worked on restoration projects with several non-profit, for profit, and government organizations (including an internship with the Aldo Leopold foundation where he got to sleep in The Shack for a week). Ben received a MS from the University of Washington in 2008 and joined the SER NW board in 2019.


Director at Large Position 2 | Jeff Barna
Student Grants Committee – Joined 2016 – Jeff is an ecologist with a wide-ranging research background focusing on plants and wildlife, as well as wetland and riparian ecology. Jeff currently works for Environmental Science Associates, an employee-owned natural resource management and restoration design company. He has worked throughout the U.S., but is now happily based in the Northwest, and lives in Portland. Jeff is very passionate about engaging young people, particularly those interested in becoming ecologists because of the importance of supporting the next generation of restoration scientists.

Director at Large Position 3 | Kerrie MacArthur
Kerrie joined SER in 2012 and became a board member in 2018. Kerrie is a senior biologist at Confluence Environmental, with 24 years of wide-ranging experience as a natural resources professional in the Pacific Northwest and Alaska. Kerrie specializes in assessing impacts to fish and wetlands (freshwater and marine). She routinely conducts wetland reconnaissance and delineations, aquatic and terrestrial habitat evaluation, wildlife research projects, biological assessments of threatened and endangered species, fisheries surveys, functional assessment of aquatic ecosystems, stream-channel characterization. Kerrie designs wetland mitigation/restoration plans, oversees their construction and conducts mitigation monitoring to ensure their success.

Director at Large Position 4 | Anne Gigi Chan
King County Parks and Recreation

Director at Large Position 5 | Amy Sacry
Amy is a restoration ecologist/biologist and Certified Ecological Restoration Practitioners (CERP). She lives in Montana’s Bitterroot Valley and is a partner at Geum Environmental Consulting, a small local consulting firm focused on ecological restoration. For the last 15 years, Amy has focused her work on riparian and floodplain restoration in Montana and Idaho. Her main interests are working with creative interdisciplinary teams, integrating ecological structure and diversity into projects at all scales, and creating interdisciplinary networks for advancing ecological restoration in western Montana.