Columbia Land Trust strives to employ great people. Our scientists, stewardship staff, conservation practitioners, and development team are among the best in their fields. More important, they are connected to their communities and deeply invested in the future of the Northwest. Our staff is committed to working with integrity and listening to many points of view, even those that differ from our own. We believe that it’s only by coming together, by finding common ground with the wonderfully diverse people who live and work in our region, that we all can create a Northwest that will endure.
Steve CookEmail Steve Cook
As our general counsel, Steve brings trenchant legal insight to every aspect of our stewardship and conservation work. He also works closely with our Board of Directors and is responsible for maintaining accreditation. Steve has worked in land conservation for over 15 years, and joined our staff in 2013 after many years of private law practice. Steve loves to hike, grow his own food, cook, and write.
Amy CostelloEmail Amy Costello
Amy has worked for nonprofits since 1998, and has been with Columbia Land Trust since 2010. Amy oversees our organizational systems and employee programs. Outside of the office, she likes to spend time with her family.
Keith DalyEmail Keith Daly
As Advancement Director, Keith leads the effort to connect our vision with the people who share our passion for the Columbia River region. He especially enjoys hearing people talk about their personal connection to the nature they love — and what the Land Trust means to them. Keith's own passion for the outdoors began as a kid exploring the rural forests and beaches around Coos Bay, Oregon.
Cherie KearneyEmail Cherie Kearney
As one of the Land Trust's first employees, Cherie's thoughtfulness and experience infuse our work. Today, Cherie is our forestry conservation director, where she puts her collaborative spirit toward conserving working forestland and large landscapes. She's our go-to person for heading up conservation projects that initially seem complex—or even impossible. Cherie is a runner, boater, hiker, sailor, and all-around lover of life.Read Stories by Cherie Kearney
Jay KosaEmail Jay Kosa
Jay is passionate about helping conservation organizations garner the attention they deserve. In his current role, he manages the Land Trust's marketing, communications, and outreach efforts. Outside the office, he enjoys running, hiking, flyfishing, and diving into the wild, frigid waters of the Pacific Northwest.Read Stories by Jay Kosa
Glenn LambEmail Glenn Lamb
Part of the all-volunteer board that founded Columbia Land Trust in 1990, Glenn became its first executive director in 1998, a position that he still holds. Glenn has led the Land Trust through 26 years of growth and currently serves on the Land Trust Alliance's National Council. Glenn is a believer in the land’s ability to uplift the human spirit.Read Stories by Glenn Lamb
Dan RoixEmail Dan Roix
Dan has spent the last eight years leading the Land Trust’s conservation work in the Portland-Vancouver area and moved into the role as our conservation director in 2016. Before joining us, he spent three years with the Sierra Foothill Conservancy. He plays both basketball and bluegrass.
Ian SinksEmail Ian Sinks
Ian is charged with the care and management of all of Columbia Land Trust’s lands—no small job. From conducting site evaluations to exhaustive long-term management plans to executing complex habitat-restoration projects, Ian makes sure our lands are the best they can be. A Land Trust employee since 2000, he lives with his family in a wooded retreat along Gee Creek in Washington.
Mitch AttigEmail Mitch Attig
Growing up in Oregon, Mitch has garnered a strong appreciation for the Pacific Northwest and the ecosystem that we live in. A lifelong, avid fisherman and sports fan, Mitch tries to spend as much time as possible in the outdoors. Before joining the Land Trust, Mitch spent time interning at the Wild Salmon Center and working at Clark Public Utilities.
Debbie BertholdEmail Debbie Berthold
Debbie joined the Land Trust in 2015 with 20 years of experience in non-profit accounting and a passion for the health of our wonderful earth. She's thrilled to work alongside like-minded folks doing work she cherishes. Outside the office, Debbie loves to walk with her dog, Hannah, and tend to the mini-forest on her apartment balcony.
Kate ConleyEmail Kate Conley
A true champion of collaboration, Kate came to the Land Trust in 2013 after five years leading the Wasco County Watershed Councils. Based out of our Hood River office, Kate stewards our Oregon-side gorge properties, from rolling hills near The Dalles to Hood River’s Powerdale Corridor near her own backyard. Hula hooping makes Kate happy.Read Stories by Kate Conley
Lindsay CorneliusEmail Lindsay Cornelius
Since 2002, Lindsay has headed up a wide array of restoration and land-management projects in the East Cascades, including the (ongoing) removal of eight miles of road from the Klickitat River floodplain. A writer and storyteller at heart, Lindsay enjoys exploring with her family and her llamas from her home base in White Salmon.Read Stories by Lindsay Cornelius
Rahul DevaskarEmail Rahul Devaskar
Rahul joined the Land Trust in 2018 as the new Engagement Program Manager. Having spent the previous chapter of his career working in the sports industry, he’s excited to help develop robust engagement opportunities for people to enjoy and appreciate the value of conservation. A Californian by birth, he’s rapidly embracing the Northwest lifestyle—including an intense love for the natural beauty of the Columbia River Gorge, and an intense coffee consumption regimen.Read Stories by Rahul Devaskar
Dan FrieszEmail Dan Friesz
Dan rejoined Columbia Land Trust in 2016 as a natural area manager, where he works closely with our Vancouver Lake lowlands project. For nearly 26 years, Dan has studied Washington's plants and animals from alpine forests and meadows to desert shrub steppe, and even coastal estuaries. Undoubtedly, his passion in life is restoring degraded habitats—especially wetlands. Either on land or water, he enjoys exploring nature with his son and friends.Read Stories by Dan Friesz
Pete LaRoseEmail Pete LaRose
Pete joined Columbia Land Trust in spring 2017 as our database administrator. With seven years of non-profit experience in administrative, development and IT roles, Pete brings a restorative focus and a wide range of analytical skills to the team. After work, Pete enjoys writing music, playing soccer, drawing, planning trips to national parks, and spending quality time with friends and family.
Jeff MaloneEmail Jeff Malone
Since 2011, Jeff Malone has been our on-the-land, right-hand man for stewardship projects large and small. Possessing a mechanical mind, Jeff is also our go-to equipment guy. He is now managing restoration projects, primarily in the coastal portion of our service area. Jeff enjoys skiing, hiking, fishing, and hanging out with his dog.Read Stories by Jeff Malone
Emily MatsonEmail Emily Matson
Emily has worked as a land steward since 2014. Before joining the Land Trust she worked on habitat restoration projects for watershed councils and a local stormwater utility. Her master's degree research took her to the Ecuadorian Andes, where she studied grassland plants at an elevation of 12,000 feet. When she's not traveling, Emily enjoys being home in the Northwest and caring for her flock of backyard chickens.
Lydia MendozaEmail Lydia Mendoza
Lydia joined the Columbia Land Trust in 2018 with a background in development for land conservation and a Master of Forestry degree from the Yale School of Forestry and Environmental Studies. Lydia leads the Land Trust’s conservation work in the Coast Range and Estuaries region. When not working, she is excited to explore her new home in Astoria and the greater Pacific Northwest.
Tanya MikkelsonEmail Tanya Mikkelson
A recent transplant from Minneapolis, Minnesota, Tanya started with Columbia Land Trust in 2016. Bringing over four years of fundraising experience, she loves using events as a platform to bring nonprofit’s missions to life. While she’s not planning the next great party, you can find Tanya hiking with her family, cooking, or cozying up with a good book.Read Stories by Tanya Mikkelson
Brieanna PanteleEmail Brieanna Pantele
Brieanna joined Columbia Land Trust in 2016. Originally from southern California, Brieanna worked in administration for six years and brings her passion for the work to our non-profit. Out of the office, she enjoys exploring her new home and everything the Pacific Northwest has to offer.
Susie PetersonEmail Susie Peterson
Susie is passionate about helping community members create vibrant and beautiful spaces in their yards and neighborhoods. Before joining the Land Trust she worked at Friends of Trees helping neighbors at community planting events. Susie loves nearly any outdoor activity, but especially enjoys hiking, camping, birdwatching, and looking for interesting flora and fauna.Read Stories by Susie Peterson
Tanner ScrivensEmail Tanner Scrivens
After stewardship stints at the Washington State Department Natural Resources and the U.S. Forest Service, Tanner arrived at the Land Trust to take charge of our Global Information Systems program—critical to our line of work. Born and raised in Bend, Tanner has spent many a day trout fishing on the Upper Deschutes.
Austin TomlinsonEmail Austin Tomlinson
Austin was raised on the northern Oregon Coast, where he returned after graduating from Humboldt State University with a degree in soil science. He has worked for various conservation organizations throughout the Northwest, many of which specialized in restoration of riparian, forestry, and wetland habitats as well as agricultural impacts to water quality. Austin enjoys surfing, fishing, and hunting.
Nate UlrichEmail Nate Ulrich
As the former economic development program manager with Mt. Adams Resource Stewards, Nate brings a passion for conservation that works for and with communities. In and out of work he’s usually admiring wildflowers, guessing bird names, and wandering the hills and hollows of the region.
Alice WilliamsonEmail Alice Williamson
Alice joined Columbia Land Trust in 2015, bringing with her eight years of experience working on behalf of non-profit organizations to conserve important landscapes and maintain rural livelihoods. Alice manages our land acquisitions, assists on policy initiatives, and spends her evenings and weekends chasing her son or her dog, or both.
Jennifer ZarnochEmail Jennifer Zarnoch
Since 2010, Jennifer has managed, monitored, and cared for our lands in our stewardship department, where she applies her keen mind in the management of our land-information systems. Her previous work includes consultant work with the Golden Gate National Recreation Area and natural area management with the Washington State Department of Natural Resources. She spends her free time marveling at her young son, growing food, and getting outside as much as possible.