Meet Our Team

Specializing in expert tree care, ecologically-based forestry, consulting, and habitat restoration services throughout the San Juan Islands.

Founded in 2005, Rain Shadow Consulting provides an array of tree care, environmental, and forestry services to clients throughout the San Juan Islands and beyond. We are a busy and growing company and we are often looking for talented individuals to join our team.

Carson Sprenger

Carson Sprenger, Director

Forester, Restoration Ecologist, Fire Ecologist

M.S. Forest Ecology, College of Forest Resources, University of Washington; B.S. Environmental Science, The Evergreen State College

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Carson Sprenger is a forester and restoration ecologist with 25 years of experience working in the forests of the San Juan Islands. He has 8 years of experience conducting ecological research and is a local expert on historical fires and pre-contact forest structure. Carson recently taught a Tree Worker Basics class through the San Juan EDC and was elected to the San Juan Conservation District’s board of supervisors in May of 2020. Carson specializes in conservation/forest management planning, forest restoration design, forest inventory, design of fuel reduction treatments, and tree health assessments. With professional experience in rigging, hazard tree removal, and large scale tree thinning, he has a keen understanding of on-the-ground project management.

Jon Stoller

Jon Stoller

Operations Manager

ISA Certified and Tree Risk Assessment Qualified (TRAQ) Arborist

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Jon spent six years as an arborist in Toronto before moving to Orcas Island in March 2022. In addition to climbing trees, he has spent the last three years in management with a focus on sales and operations.

Jon has a bachelor’s degree in English literature, an Ontario College Certificate for arboriculture from Humber College, and is an ISA Certified Arborist. He is an avid reader and musician with a deep passion for the outdoors.

Weston Mueller

Office Manager

B.A. Business & Sustainability, Western Washington University.

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Weston grew up in the Bay Area of California, and after 5 years in the Marine Corps he moved to Washington to complete his college education. Before moving to Orcas in November 2023 he worked in the solar industry and executive recruiting. He brings a wide breadth of experience and knowledge that helps enhance Rain Shadow and its services. Weston is an avid mountain biker and hiker and enjoys discovering the natural beauty of the PNW.

Galen Boydston

Galen Boydston

San Juan Crew Lead & Lead Trainer

ISA Certified and Tree Risk Assessment Qualified (TRAQ) Arborist

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Galen began working for Rain Shadow soon after he completed his undergraduate degree from The Evergreen State College in 2010. Galen’s passion for arboriculture and outdoor conservation work is drawn from not only his academic work but also from his upbringing on Waldron Island (3rd generation). He has worked on research and fishing boats throughout Puget Sound and Alaska. Galen is an ISA Certified and Tree Risk Assessment Qualified (TRAQ) Arborist and lives with his wife Rachel and his 2 children in Friday Harbor.

Luke Hudson

Luke Hudson

Orcas Crew Lead & Arborist

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Luke joined Rain Shadow in the fall of 2021 and is excited to grow his skills as a tree care groundie and climber. He grew up in Washington and has a wide range of background experience from working as a barista, a sawyer, a general contractor, and as a crew member and supervisor with the Washington Conservation Corps.

A large Garry oak in a meadow

James Karrasch

Shop Manager & Tree Technician

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James grew up on a farm in rural Pennsylvania where he learned many of the skills that he carries with him today. After turning wrenches and fixing equipment on the farm, he went to college where he got into IT and Software Development. While taking a break from his career to bike across the country, he fell in love with the PNW. Now, he is happy to be living here, combining his systematic thinking and his familiarity with a wrench to keep the Rain Shadow fleet up and running.

Michael Umble

Michael Umble

Arborist

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Mike comes to Rain Shadow having grown up on Fidalgo Island. After years of working in restaurants he found himself on a backcountry trail crew, which started his passion for arboriculture and working in Washington’s forests. This work has taken him all over the state as a natural resource technician, wildland firefighter, and park ranger. Mike is based on San Juan Island.

Zack Kostechko

Zack Kostechko

Tree Technician & Equipment Operator

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Zach grew up in Colorado riding dirt bikes and driving the family tractor. He moved to Orcas in 5th grade and graduated from Orcas High School in 2014. Zach enjoys excavation work and operating heavy machinery – excavators, dozers, and backhoes. He has two years of operating experience and enjoys the opportunities at Rain Shadow to learn new skills and work on different jobs each day. In his free time, Zach enjoys being outside and fishing.

David Jen

David Jen

Certified Arborist

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David joins the Rain Shadow team after two years with the Washington Conservation Corps, where he discovered his interest in forestry and tree care. He grew up in Pennsylvania and went to college in South Carolina, graduating from Clemson University with a degree in wildlife biology. David enjoys playing sports of all kinds, especially basketball and tennis, as well as outdoor activities like hiking and camping.

Kelly Eckman

Kelly Eckman

Arborist & Assistant Natural Resource Planner

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Kelly grew up in Pennsylvania and recently moved to Orcas with her partner and their two dogs, Mickey and Bailey. She is an enthusiast of all things outdoors, and especially loves long-distance backpacking. Kelly’s work experience includes primitive trail building, wilderness therapy, and working with Geographic Information Systems (GIS). She is excited to learn and grow as an arborist with the RSC team!

Otto Sprenger

Tree Technician & Equipment Operator

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Otto joined the field crew in June of 2023 though has been around the company for quite a few years. He enjoys operating the tracked chipper as well as ground-based chainsaw work and generally helping out where help is needed. Otto was born in Seattle and moved to Shaw when he was just three months old. Along with the rest of his family, he moved to Orcas in 2012. Otto enjoys mountain biking, fishing, and spending time at the gym.

Seth Ybarra

Seth Ybarra

Sawmill Operator

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Coming Soon