Organizational Committee




SER Northwest

Regina Wandler (President)

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.



Rolf Gersonde (Executive Vice President)

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.



Caitlyn O’Connor (Interim Program Vice President/Student Chapter Board Member)

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.



Samantha Rich (Treasurer)




Michael Yadrick (Secretary)

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.



Scott Davis (Publications & Web Manager)

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.



Ben Peterson (Director-at-Large)

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.



Jeff Barna (Director-at-Large)

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.


Kerri McArthur (Director-at-Large)

Joined SER in 2012, became a board member 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.



Anne Gigi Chan (Director-at-Large)




Amy Sacry (Director-at-Large)

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.



SER Western Canada

Erin Roberts (Chair)

Erin is a problem-solving ecologist with professional experience in consulting and governments Alberta and BC. She is currently working as a Habitat Planner with the Canadian Wildlife Service. Wetlands, watershed management and disturbance histories in Western Canada are her specialty, but she often finds herself learning and working in other ecosystems.


Zachary Moore (Vice-Chair)

Zachary is a developing environmental professional working with Nature Conservancy Canada as an Assistant Natural Area Manager, where he helps to coordinate conservation strategies for a large buffer zone surrounding Waterton Lakes National Park. The SER’s goal of connecting restoration practitioners the world over to share their knowledge is one of Zachary’s true passions.


Dave Polster (Treasurer)

Dave is a plant ecologist with over 35 years of experience in vegetation studies, reclamation and invasive species management. 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 also the NW Regional Representative on the SER international board.


Katherine Stewart (Secretary)

Dr. Katherine Stewart is an Assistant Professor in the Soil Science Department at the University of Saskatchewan.  As an expert in northern plant ecology and soil science she works primarily in northern Boreal and Arctic ecosystems.



June Pretzer (Director)

June has restored natural and not so natural areas for a very long time and see incredible potential for integrating natural systems into urban, industrial, and agricultural areas. She is the Chair of the Coastal Invasive Species Committee and is passionate about invasive species identification, control, management, and legislation.


Andy Owens (Director)

Andy has worked as Restoration Ecologist for Brinkman Restoration for the past 11 years, managing the design and implementation of terrestrial and aquatic restoration projects throughout Western Canada. His focus includes riparian and upland restoration, habitat enhancement in novel ecosystems, and restoration of soil health through microbial inoculations. Andy currently sits on the CERP program certification committee for SER International.


Shane Byrne (Director)

Shane Byrne is an ecologist focusing on aquatic restoration. Hailing from Maple Ridge BC, he has called the Fraser River valley home for his entire life. Being in such close proximity to a major river system provided the foundation for studying the environment and human impacts on natural systems. Restoration project management is an area Shane hopes to progress into.


Eric Balke (Director)

Eric is the Coordinator of the BC South Coast Conservation Land Management Program (SCCLMP). He manages a portfolio of conservation lands that are managed/owned by the BC Ministry of Forests, Lands, Natural Resource Operations and Rural Development, Ducks Unlimited Canada, The Nature Trust of BC, and Canadian Wildlife Service. The goal of the program is to use a collaborative approach to maximize the values and utility of these lands for the conservation of fish and wildlife habitat, including species and ecosystems at risk.


Mae Whyte (Director)

Mae works for Blueberry River First Nations as their Restoration Project Officer.  From 2017-2019, Mae served as the President of the Society for Ecological Restoration at BCIT. She is passionate about invasive species management, boreal forest restoration, freshwater ecology, and reciprocal restoration.


Rebecca Wilson (Director)

Rebecca is a registered professional biologist from British Columbia who recently relocated to the beautiful prairie province of Saskatchewan. Rebecca works for Stantec and has 9 years of experience in ecosystem management, wildlife biology, and environmental assessment and permitting.


Alex Blais-Montpetit (Director)

Alex is an Aquatic Habitat Protection Specialist with the Water Security Agency in Saskatchewan, where he leads the province’s aquatic habitat protection permitting process for the southwest region. Alex is involved in riparian and shoreline restoration projects with a wide range of stakeholders at different phases of a proposal from the pre-planning meetings, work design assessments, permit issuance, and field compliance inspections.


Cassandra Timms (Director)

Cassandra was initially involved with the Western Canada Chapter in 2015 as Media Coordinator and became a Board Member in 2018. She holds a BA in Communications and an MA in Environmental Sociology. She has worked with communication networks in rural Alberta communities, and how information related to natural resource development was shared.  She has also collaborated with community members, government officials, and industry representatives on the topic of community involvement in discussions surrounding mine site reclamation. She takes every opportunity to get outside, whether it be backcountry camping, canoeing, rock climbing, or hiking



Charlotte Adamson (Director)


Darcy Henderson (Chair 2017-2019)

Darcy has 25 years of experience in the environmental field.  He is Head of Protected Areas and Stewardship (Prairies) with the Canadian Wildlife Service, and Adjunct Professor with the University of Saskatchewan where he teaches PLSC 398.3 Environmental Restoration.  His work with ecological restoration involves research, management and a huge variety of practical experience.


Jennifer Barker (Chair 2015-2017)

Jennifer is an Environmental Advisor for TransCanada, who supports a collaborative and integrated approach to landscape planning, restoration and reclamation. As a member of the Alberta Society of Professional Biologists, she enjoys being a mentor for Biologists in Training. She joined the SER as a Director in November 2013 and her current focus is the expansion of the Western Canada membership.


Keith MacCallum (Media Coordinator)

Please contact Keith (restorewc@gmail.com) if you have any suggestions or would like to share content for our website, social media, and e-newsletters.