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

Senior Restoration Crew Member

Pete is returning for a second season with the restoration crew. He is excited to be back with the Greenway, helping restore native plant communities and enjoying working in nature. He has a bachelor’s degree in Environmental Science and Resource Management from the University of Washington and recently finished a certificate in grant writing from Seattle Central College.
A native to the Pacific Northwest, Pete has a passion for sharing and exploring the natural world with others. He also loves climbing and backpacking, fly fishing, surfing and playing music.

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.

Rianna Bidon

Trail Crew Member

Rianna is part of the seasonal trail team for the 2020 season, working primarily out of the beloved Middle Fork Snoqualmie Valley. She graduated with a degree in Information Technology and Business Management and decided to permanently change fields after her introduction to Natural Resources working with the WCC. Now her passions and hobbies mostly revolve around preserving our delicate climate and outdoor recreation.

David Dalby

Restoration Crew Member

David is joining the Greenway’s restoration crew and is excited to conserve and enhance the landscape in our region. He is a recent graduate from Green River College’s Natural Resource program and has a B.A. in Business Management from UW. He has previously worked as a park specialist for King County as well as a wetland technician for a mitigation project in Auburn. During his free time, he likes to skateboard, explore various art mediums, noodle around on synthesizers, and listen to library music.

Mackenzie Dolstad

Stewardship Program Manager

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.

Katie Egresi

Communications Coordinator

With the Greenway Trust since: 2019

Katie joins the Greenway Trust as a Co-Communications Coordinator, crafting and curating stories to engage with the public and our partners. With a degree in Strategic Communications and minors in Graphic Design and Professional Writing, she is helping to drive the strategy behind our messaging and tackling a wide variety of projects. Katie was born and raised in Northeast Ohio and attended college at The Ohio State University. She brings past experience working in the destination marketing industry and is especially excited to build momentum around the Greenway’s recent National Heritage Area designation. Katie enjoys traveling as often as possible and spending time outdoors with her husband Shane, whether that be hiking, camping, kayaking, biking, snowshoeing, or (attempting to) snowboard.

Kate Fancher

Senior Restoration Crew Member

Kate is returning to the Greenway as a Senior Restoration Crew Member after serving as an AmeriCorps Restoration Associate. She was born and raised in Seattle and fell in love with learning about the plants and animals throughout the Pacific Northwest. She graduated from the University of Washington in 2018 with a degree in Environmental Science and Terrestrial Resource Management with a focus in Restoration Ecology and Environmental Horticulture and will complete the Wetland Science and Management Program this year.

She enjoys continuing to gain skills in plant identification and learning more about noxious weeds. In her spare time she can be found catching up on her favorite TV shows, going to concerts, spending time with her pets, and camping as much as possible.

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.

Ryan Grate

Trail Crew Member

Ryan is incredibly excited to have the opportunity to do trail work on public lands this season. A native to the Snoqualmie Valley, Ryan has been enjoying the trails and forests in the area since he was very little. Before joining the Greenway, Ryan spent 2 years with Washington Conservation Corps doing both trail and restoration work. In his time off, he enjoys spending time with friends, walking around the neighborhoods in Seattle, hiking, playing music, and thinking about the last movie he watched.

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

Janessa Hollmaier

Restoration Crew Member

With the Greenway Trust since: 2019

Janessa is serving through AmeriCorps for her first year as a Restoration Associate. She graduated from Iowa State University with a Bachelor of Science in Environmental Science in 2015. Post-graduation, she worked in student affairs in higher education as an Academic Advisor and Student Organization Coordinator. Originally from Iowa, she has also lived in Colorado and South Carolina since college and is new to the PNW. Since relocating, she plans to pursue more opportunities focused on restoring public lands and creating sustainable communities. In her free time, she enjoys biking, cooking, spending time with her dogs, and learning more about hiking and outdoors in Washington.

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.

Gabby Kapa

Trail Crew Supervisor

Growing up Gabby called the Alpine Lakes Wilderness her backyard. She is stoked to join the Greenway and help connect people to the outdoors through trails. Gabby has found herself wielding a pick mattock from a top Colorado 14ers to the bottom of the Grand Canyon. Closer to home, she has led backcountry volunteer projects for WTA and served on a restoration crew with EarthCorps. On her days off, you’ll find Gabby whipping up vegan tacos at trailheads (you’re welcome to join her) or biking with a coffee balanced in hand. 

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.

Lisa Meister

Trail Specialist

Lisa discovered a passion for field work while exploring the wetlands and woodlands in her homeland of Illinois as a restoration technician. After completing an interdisciplinary course of study on sustainability and land management at the University of Alabama, she headed west to immerse herself in the outdoors. She served as an AmeriCorps member with the Student Conservation Association’s Idaho Corps where she cut her teeth in trail building and monitored Chinook along the Salmon River. More recently Lisa grew as restoration crew leader with EarthCorps and has settled into the Seattle community. She can usually be found hiking wilderness trails, attending neighborhood art nights, or sitting on any number of porches.

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.

Sadie Olson

Trail Specialist

Sadie joins the Greenway trails team after several years of volunteering in trail and habitat restoration work with both MTSG and WTA while also working full-time in quality control for a private contractor with a natural gas utility. After receiving a B.S in Environmental Science and Management from the University of California at Davis, Sadie decided to leave the beaches of San Diego she called home and move to Seattle to expand her knowledge of working in the environmental field and discover all that Washington has to offer. Since then she has devoted all of her free time to exploring the infinite PNW trails, swimming in as many alpine lakes as possible and helping organize one of the many dodgeball leagues she participates in.

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.

Sornesarwanh Phongwarinr

Restoration Crew Member

Sornesarwanh joins the Greenway’s restoration crew moving from Maryland to Seattle. She recently graduated from the University of South Carolina with a Bachelor of Science in Biology and minor in Geography. After graduating, she worked with the National Park Service in D.C. as a part of the Invasive Plant Management Team where she grew a passion for restoring public lands and sustainability around the area she grew up in. In her free time, she enjoys going to concerts, playing sports, and eating Chipotle.

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.

Sam Smiley

Restoration Crew Lead

Samantha is the Restoration Crew Lead for the Greenway Restoration Crew. Her passion for conservation and the outdoors grew from growing up in Western Washington.To continue her passion she obtained her Bachelor’s degree in Fisheries and Wildlife Science through Oregon State University. She is now pursing a Masters in Natural
Resources through Oregon State university. Samantha’s past experiences include habitat restoration work with Washington Conservation Corps where she served as an Assistant Supervisor. Samantha also spent time volunteering at Chintimini Wildlife Center where helped rehabilitation wildlife. In her free time she enjoys hiking with her dog, beekeeping and kendo.

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 provides GIS analysis and advocacy support to all Greenway programs in addition to coordinating National Heritage Area planning efforts. 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 Conservation 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.

Caroline Villanova

Community & Partnerships Manager

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

Senior Restoration Crew Member

Blake is returning for her second season with the Greenway, she loved her first season so much she came back for another one! Hailing from the state of Colorado she was able to experience the wonders of the PNW outdoors when she attended Pacific Lutheran University earning her degree in geology. Her introduction to environmental restoration was through local volunteer events in Tacoma, WA and a couple years later when she served as a restoration crew member for EarthCorps. Some activities she enjoys include a pick up game of soccer, finding an excellent swimming hole, and savoring chocolate milk.

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 & Volunteer 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.