Jon Hoekstra

Executive Director

With the Greenway Trust since: 2015
Jon leads the Greenway as Executive Director, working with the Board of Directors, staff, and partners to collaboratively conserve the Mountains to Sound Greenway landscape. Jon brings to the Greenway a unique blend of scientific understanding, strategic problem solving and communication skills. Before joining the Greenway Trust, he served as Chief Scientist for the World Wildlife Fund, and led a variety of strategy and conservation initiatives at The Nature Conservancy. While Jon enjoys traveling around the world to explore wild places, he always loves coming back home to Seattle and the Greenway landscape that he and his wife have called home for 20 years.

Amy Brockhaus

Deputy Director

With the Greenway Trust since: 1995

Amy is the ace “catalyst convener” at the heart of the Greenway Trust’s collective-impact model. A single week may find her at a land use or transportation meeting in any of the communities in the Greenway, leading a tour for partners in the Middle Fork Valley, and coordinating board committees. Working closely with public officials, partner organizations, board members, and the entire staff, Amy operates at the hub of the Greenway coalition and brings more than two decades of experience working across the Greenway landscape. While her role requires her to spend a lot of time in conference rooms and city halls, Amy is happiest out in the Greenway, up a mountain or on a trail, way outside of cell phone range. She and her family enjoy hiking, biking, skiing, snowshoeing, and Amy is always looking for her next chance to grab a backpack and explore.

Tony Allison


With the Greenway Trust since: 2008
Tony was born and raised in the Pacific Northwest, and has always been drawn to its natural world of mountains, forests, and ocean beaches. He holds a graduate degree in Marine Affairs, and worked for many years in international fisheries. Subsequently Tony became a certificated teacher in 2003, and taught social studies at the high school and middle school levels in Seattle. More recently he spent five years as an educator and field trip leader for science-based programs at Washington Park Arboretum and the Greenway, and has developed curriculum for new programs at both places. As part of his continuing education Tony has attended numerous classes, seminars, and field trips related to the natural world of the Pacific Northwest; is a member of the Naturalist Study Group of the Mountaineers; and established an environmental education exchange program with a botanical garden in eastern Russia.

Pete Anderson

Assistant Restoration Crew Lead

With the Greenway Trust since: 2019
Pete is excited to join the Mountains to Sound Greenway team as this season’s Assistant Restoration Crew Lead.  He has several years of experience in the restoration field working for a variety of organizations and is excited to continue developing new skills. When he isn’t working in the woods, Pete loves climbing, camping, fly fishing and surfing.

Tor Bell

Field Program Director

With the Greenway Trust since: 2002
Tor is responsible for the oversight and management of the Greenway Trust Stewardship Program, which includes the recreation, volunteer, and restoration programs. Tor grew up in Port Orchard, hiking and scrambling over the Kitsap Peninsula and got to know the Mountains to Sound Greenway through his role as Volunteer Coordinator for the King County Department of Natural Resources and Parks. Tor began his career working in the communications arena before taking an interest in ecological restoration while with King County. Tor is an avid outdoorsman, who likes to climb, snowshoe, backpack, and is in the process of hand-building a beautiful kayak.

Lindsay Cotnoir

Restoration Crew Member

With the Greenway Trust since: 2019

Lindsay is excited to be a member of the Greenway Trust Restoration Crew. After graduating from the University of Vermont, her first job was on a forestry research field crew in WA and OR, where she fell first fell in love with the Pacific Northwest. As a native Vermonter she is excited to spend more time exploring Washington. Outside of work she can be found birding, reading, hiking or skiing.

Mackenzie Dolstad

Senior Manager | Stewardship

With the Greenway Trust since: 2010; staff member since 2012
Mackenzie is responsible for all of the behind-the-scenes action in the Stewardship Program – grant writing and reporting, budget management, tracking projects, and providing assistance and support to the rest of the staff. Mackenzie started with the Greenway Trust as an intern on the Heritage Study project (the precursor to the National Heritage Area campaign), then served for a year as an AmeriCorps all-purpose Individual Placement with the Greenway Trust through the Washington Conservation Corps. When he’s not analyzing a spreadsheet, Mackenzie can be found biking, hiking, and pursuing other outdoor activities.

Lizzy Dowd


With the Greenway Trust since: 2017
Lizzy joined the Greenway Trust as a service member from AmeriCorps through Washington Service Corp. After her term, she joined staff as an environmental Educator, assisting in educating and engaging students from King County on the importance of conserving their local environment. In 2015, Lizzy graduated from the University of Colorado at Boulder with a degree in Ecology and Evolutionary Biology with aspirations to work to conserve the environment. Some interests of Lizzy’s include nature photography, hiking and reading.

Kate Fancher

Restoration Associate

With the Greenway Trust since: 2018

Prior to becoming a Restoration Associate with the Greenway Trust, Kate graduated with a Bachelor of Science with a major in Environmental Science and Terrestrial Resource Management focusing in Restoration Ecology and Environmental Horticulture in September of 2018 from the University of Washington. She completed her senior capstone project on restoring a parcel of land in Yesler Swamp along Lake Washington. She enjoys camping, hiking, spending time outdoors, and giving back to her community through volunteer work.

Eliza Foster

Communications Coordinator

With the Greenway Trust since: 2019

Eliza creates, curates and shares stories about all the great work that is happening across the Greenway. Whether it’s an Instagram post or e-newsletter, blog or brochure, she’s always spreading the message of how amazing the Greenway is! Eliza comes from a writing and marketing background and holds a BA in Professional Writing, Editing and Publishing from Michigan State University. She’s worked for a magazine as well as digital marketing agencies, where she’s edited, written and created social strategies for a wide variety of clients. Originally from Traverse City, Michigan (the high five state!) she grew up exploring the woods behind her childhood home and rock hunting on the shores of Lake Michigan. Since moving to Seattle, she has enjoyed getting to know the Pacific Northwest woods, wildlife, and water. When she’s not exploring the Greenway with her boyfriend, Sam, Eliza is most likely spending quality time with her ragamuffin cat, Moira, maintaining her greenhouse worth of house plants, working on a cross stitch project and reading at least two books.

Robyn Hall

Development Coordinator

With the Greenway Trust since: 2019

Robyn helps coordinate fundraising operations, events, and grant writing for the Greenway. She’s worked in a range of development roles for science and conservation-focused organizations like the Forest Stewardship Council, The Nature Conservancy in Massachusetts, Thompson Island Outward Bound in the Boston Harbor Islands, and the Harvard Museums of Science & Culture. She has a B.A. in History from William Jewell College and a Master of Theological Studies from Harvard Divinity School, with a background in Ancient Near Eastern religions and languages. Robyn’s love for nature grew from a childhood spent in Joshua Tree National Park, exploring the rolling hills of Missouri, and hiking the trails of New England. In her free time she enjoys trying new recipes, playing the flute, explaining how her degree totally relates to conservation, and discovering all that Washington has to offer with her family.

Dan Hintz, M.E.H.

Restoration Projects Manager

With the Greenway Trust since: 2016
Dan is responsible for coordinating maintenance efforts and leading volunteer events at the many restoration project sites throughout the Greenway.  Dan grew up outside of Chicago and attended the University of Wisconsin – Madison where he studied economics before moving to Seattle to serve as an AmeriCorps member with EarthCorps. Since then Dan has lived in Washington and worked restoration jobs for local government, non-profits and a private contractor.  Dan finished his Master of Environmental Horticulture degree at the University of Washington just after joining the Greenway in spring of 2016. In his spare time Dan enjoys hiking, skiing, playing guitar, watching baseball and reading books about history

Stephanie Huck

Operations Coordinator

With the Greenway Trust since: 2016
Stephanie joined the Greenway Trust to coordinate organization operations and finance, and coalition meetings. A childhood of poking around creeks and tidepools inspired her to connect people with nature for years to come, earning a Bachelors in Environmental Education from Western Washington University in 2009. Stephanie began her conservation career as a Washington Conservation Corps crew member restoring salmon habitat in Whatcom County, and continued on with conservation work and outdoor education programs in the Puget Sound region until stepping into an administrative role with the Greenway Trust. In her spare time, Stephanie likes to travel, find great views, and throw the frisbee around with her dog.

Nikki Johnson

Restoration Crew Member

With the Greenway Trust since: 2019
Nikki is a restoration crew member at Mountain to Sound Greenway Trust. Before starting at the Greenway Trust she was working with Washington Conservation Corps doing habitat restoration for a year and a half. She has lived in Western Washington her whole life and graduated from Western Washington in 2016 with a B.S. in Environmental Science and would like to pursue a masters in Environmental Engineering. In her spare time, she likes to read about microbiology and explore the Pacific Northwest.

Becca Kedenburg

Education Program Manager

With the Greenway Trust since: 2013
Becca joined the Education Program in April 2013 after earning a B.A. in Environmental Education and a B.A. in Spanish from Western Washington University in 2012. Spending her childhood exploring the Pacific Northwest’s mossy trails, rocky beaches, and forested mountains inspired in Becca a deep-rooted incentive to inspect environmental systems and share that knowledge. By helping students understand the intricate connections between humans and nature, Becca hopes to inspire them to be first-class stewards of the environment.

Stephen Keimach

Restoration Associate

With the Greenway Trust since: 2018

Stephen is a Restoration Associate working through AmeriCorps for his first term this year. His passion for nature, recycling, and composting was born and bred (like him) in Berkeley, CA. Graduating from UW with a Bachelors in Environmental Science and Resource Management in 2017, he has pursued working outside as much as possible. He participates in a handful of sports such as backcountry skiing, downhill longboarding, and climbing. He is extremely excited for the winter to bring snow in the mountains, and also for the spring and summer to bring dry roads and rocks. There are no days off for him in the PNW!

Ethan Lockwood

Public Engagement Coordinator

Ethan works collaboratively with the Forest Service, East Cascade Recreation Partnership (ECRP), and Greenway Trust to support thriving communities, thriving nature, and thriving recreational experiences in the Upper Yakima Basin. Ethan grew up in Laramie, WY where a strong land ethic and concern for social justice was instilled him during long alpine hikes and drives through the Wyoming steppe by his father, an entomologist, and mother, a social worker. Ethan spent the past year working on the Mt. Adams Ranger District on the Gifford Pinchot National Forest supporting the Pinchot Partners and South Gifford Pinchot Collaborative before joining the Greenway Trust. When not at work, he can be found drinking black coffee and skiing, running, backpacking, and climbing as long as the caffeine lasts.

Zan McPherson

Volunteer Program Associate

With the Greenway Trust since: 2018

Zan joins the Greenway Trust’s volunteer program after finishing her studies in environmental sociology at Whitman College. She spent two summers in Northern Michigan working in outdoor education/sustainability and one summer in Washington, D.C. working in climate science policy. As a native Seattlite, she is happy to be back exploring and learning about the ecology of Western Washington. She is especially interested in the ways social systems and norms impact outdoor spaces. In her free time, Zan can be found sailing, making music, having existential conversations, and appreciating nature in all its forms.

Collin Neuhauser

Restoration Crew Member

With the Greenway Trust since: 2019
Collin grew up in southwest Washington and has worked seasonal positions all over the Pacific Northwest. Collin has experience managing invasive species for the US Forest Service and looks forward to applying those skills to his position with the Greenway Trust, while learning more about the planting process. In his free time, Collin enjoys exploring forest back roads, dispersed camping, and hiking.

Joe Olbrych

Middle Fork Valley Community Coordinator

With the Greenway Trust since: 2014; staff member since 2016
Joe is responsible for leading and assisting with all aspects of the Greenway Trust’s collaborative coalition-based efforts to improve the maintenance and operations of recreational infrastructure in the Middle Fork of the Snoqualmie River Valley. He works closely with land managers and partner organizations to coordinate and lead on-the-ground stewardship and community education efforts across the landscape. Joe joined the Greenway Trust in 2014 as a Washington Conservation Corps (WCC) member, serving a term as an individual placement in the Volunteer Program. Joe received a B.A. in outdoor education and travel writing at Hampshire College in Western Massachusetts where he grew up and developed a passion for the outdoors. When not working, Joe is probably out exploring the Middle Fork.

Nicky Pasi

Upper Yakima Community Coordinator

With the Greenway Trust since: 2017
As the Community Coordinator in upper Kittitas County, Nicky initiates and supports collaborations with other organizations and individuals to build positive connections between local communities and public lands, with goals of improving recreational access to public lands and engaging people in education and volunteerism to care for their lands and waters. Nicky’s past experience includes working with the Yakima Basin Integrated Plan, leading community outreach with American Rivers, work as a naturalist and environmental educator in Miami, Florida, as well as coordinating volunteer efforts for animal services organizations. She is thrilled to join the Greenway Trust and bring her experience together in furthering the Greenway’s mission.

Carlyn Roedell


With the Greenway Trust since: 2013
Carlyn taught gifted students for 38 years in the Highline School District, grades 2 through 6. She enrolled her students in the Greenway Education Program for many years and vowed that when she retired she wanted to work for the Greenway. She retired last year and we feel honored to be working alongside her. She has a Masters in Special Education from Seattle University and loves to teach all subjects, but has a special love for outdoor education. Carlyn is a native Northwesterner and has lots of good stories about growing up on a farm where the airport is now located.

Maria Sheldon


With the Greenway Trust since: 2018

Maria joined the Greenway Trust as an AmeriCorps Education Associate. She graduated from Western Washington University with a B.A in Environmental Studies and a Minor in Environmental Education. She has been involved in a variety of projects and volunteer work regarding education, urban planning, and sustainability. Born and raised in Seattle, Maria loves exploring the local flora and fauna while hiking, biking, skiing, and sailing. She is passionate about education, community building, environmental and social justice, food, and music. Her hopes are to be involved in a community that fosters conscious and compassionate stewards of the earth.

Sam Smiley

Restoration Crew Lead

With the Greenway Trust since: 2018
Samantha is the Lead for the Greenway Restoration Crew. She grew up with the Cascade Mountains in her backyard which inspired her to connect with nature. She obtained her Bachelor’s degree in Fisheries and Wildlife Science through Oregon State University. Samantha’s past experiences include restoration work with Washington Conservation Corps, and wildlife rehabilitation at Chintimini Wildlife Center. In her free time she enjoys hiking with her dog, gardening and beekeeping.

Mike Stenger

Recreation Projects Manager

Mike manages the Greenway Trust’s capital recreation projects, working with partnering nonprofits, government agencies, crews and volunteers on building and maintaining trails, trailheads and other recreation facilities. Mike has over two decades of experience in trail project design and implementation in the region.  Before joining the Greenway Trust he worked as a teacher in the public schools and with other environmental non-profits. When not hiking, building, skiing or biking on trails, Mike enjoys teaching young people about the outdoors, and the occasional carpentry project.

Mercedes Stroeve

Program Associate

With the Greenway Trust since: 2018

Mercedes leads on both GIS analysis and policy tracking for the Greenway Trust. She received her B.A. in Community, Environment and Planning from the University of Washington where she focused on climate change mitigation and adaptation planning. She has chosen a variety of jobs and projects that are centered on environmental impact including developing risk maps for the UW Institute of Hazard Mitigation Planning and Research, campaigning on environmental legislation with the Washington Conversation Voters, as well as promoting sustainable transportation benefit options to downtown employers at Commute Seattle. When she isn’t working, Mercedes is planning and journeying to National Parks with her family.

Margaret Ullman-Hess

Senior Manager | Public Engagement & Snoqualmie Valley

With the Greenway Trust since: 2008
Margaret manages a variety of programs that help connect people to the spectacular Mountains to Sound Greenway, including overseeing two strategic initiative areas: the Snoqualmie River Valley and the Urban/Edge Communities. Margaret joined the Greenway Trust in 2008 to lead the stewardship volunteer program, before launching the Greenway’s membership program in 2012, and then leading communications until 2018. When she’s not leading hikes and trips for the Greenway, Margaret can be found out in the mountains hiking, backpacking, skiing, and snowshoeing.

Caroline Villanova

Volunteer Program Coordinator

With the Greenway Trust since: 2017
Caroline joined the Greenway Trust team after a year on a Washington Conservation Corps restoration crew for Snohomish County Surface Water Management. She received a degree in Environmental Studies from the University of Vermont, and has spent the past two years learning all there is to learn about the Pacific Northwest flora and fauna. While Caroline loves connecting with volunteers, she also loves spending time hiking, biking, cooking (and eating) delicious food with friends, knitting, and wood burning designs into reclaimed wood.

Blake Warner

Restoration Crew Member

Blake joins the Greenway Trust as a member of the Restoration Crew. She grew up in Colorado, but connected with the Pacific Northwest outdoors while attending Pacific Lutheran University. Although she earned her degree in Geology, during her senior year she had the opportunity to volunteer on a local habitat restoration project, igniting her interest in hands-on ecological conservation. She started her environmental career collecting and analyzing soil samples, but came back to restoration as a crew member for EarthCorps in 2017. In her free time she can often be found playing soccer, planning her next trip, or hiking with friends.

Michael Woodsum

Director of Development

With the Greenway Trust since: 2011
Mike Woodsum is the Director of Development at the Mountains to Sound Greenway Trust. He has spent fifteen years fundraising for nonprofits in the Seattle area, and identifies the Greenway’s balanced mission and pragmatic approach as the perfect fit for his personal priorities. Mike works closely with staff leadership and board members to oversee all fundraising efforts by the Greenway Trust. When he isn’t raising money for the Greenway, Mike is often out exploring its rivers, trails, and alpine lakes as an avid fly fisherman. Mike lives in Edmonds and has a daughter who just turned eight.

Katy Yeh

Restoration Projects Coordinator

With the Greenway Trust since: 2018
Katy is responsible for coordinating maintenance and volunteer projects at ecological restoration sites throughout the Greenway. She first experienced the wonders of the Pacific Northwest ecology backpacking on the Olympic Peninsula in high school. In college, she studied Biology & Environmental Studies at Lewis & Clark College. She brings experience in ecological restoration with the Golden Gate National Parks Conservancy in San Francisco, the SDSU Research Foundation in San Diego, and most recently as an AmeriCorps Crew Lead for EarthCorps. In her spare time, she enjoys exploring the Puget Sound and learning more about the flora of the Pacific Northwest.