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The Team
Marinus Van de Kamp
Owner / General Manager
Marinus achieved a Degree in Construction Technology at the MTS in Ede, The Netherlands in 1978. He worked as a commercial drafts person and project manager before moving to the USA in 1987, where he became a co-owner of Landmark Enterprises in 1990. Marinus brings extensive experience as a journeyman carpenter, draftsman, designer, estimator, and project manager to the Landmark team.
In his free time, Marinus plays piano in his jazz quartet and likes to tear it up on the soccer field.
Ken Tiderington
Construction Supervisor
Ken has been in the construction industry for over 40 years and has managed large construction projects for 30 years. He specializes in finish carpentry, high end cabinet installation and building quality custom homes. His personal life is spent on the farm, taking care of animals, or walking/swimming/spending time with his dogs. He loves travelling, camping, fishing and just enjoying life.
Robin Rodriguez
Business Operations
Robin brings over 15 years of accounting experience to Landmark, where she has been a valued team member since the fall of 2024. Known for her organization, cheerful demeanor, and always having a basket of chocolate on hand, she keeps both the books and the team in line. Outside of work, she is a dedicated full-time student and mother who enjoys reading and writing in her spare time.
Shawn Mckenna
Designer
Shawn graduated with a degree in architecture from DAAP at the University of Cincinnati. After interning for architecture firms in Seattle, he left the Ohio for the Pacific Northwest and never looked back. Shawn completed the cabinet program at Seattle Central while apprenticing for a small remodeling firm, where he specialized in finish carpentry. Shawn has 10 years of experience in building, carpentry and has integrated that knowledge into his design work for Landmark for over 5 years.
Shawn and his wife, Meghan, own a small sheep farm and creamery in Sedro Woolley and in their free time, enjoy hiking and biking the PNW.
Seamus Trueb
Designer
Born and raised in Bellingham,
Seamus Trueb joined Landmark in the summer of 2020 and while working as a carpenter, received a Mechanical Design Degree at Bellingham Technical College.
Nowadays, Seamus is happy to be a part of our experienced Design team and is excited for his future with Landmark. In his free time Seamus can be found skiing at Mt. Baker and the surrounding area.
Christopher Grannis
Project Manager Emeritus
Christopher worked in India with the Peace Corp for 2 years before returning to Washington State to earn a degree from WWU. After working as a carpenter for 10 years, he founded Landmark Enterprises with Kelly Longwell in 1984. Christopher has decades experience managing phases of construction on jobs ranging from small residential remodels to large-scale commercial builds. In his free time, Christopher enjoys travel, electric cars, and encouraging people to participate in Peace Corp.
Steve Sorensen
Estimator/Project Manager
Beloved estimator, Steve Sorenson, has earned degrees in Horticultural Desing and Construction Management from Edmonds Community college and previously owned his own company before transitioning to becoming Estimator and Project Manager for Landmark. For fun, he spends time with his wife, celebrated scientist Tasha, their two boys and all their many close friends and family.
Lincoln Skrypeck
Project Manager & Sales
Lincoln has been working in construction for over 25 years and managing jobs over 15 years. He specializes in high end remodels and in making customers happy. Outside of work he enjoys live music, spending time in the mountains hiking, climbing, biking, skiing and spending time with his family and their cat, Elliott.
Marika Van de Kamp
Graphic Designer
Marika is our graphic designer and she keeps our website up to date. She graduated from Portland State University in 2019 and since then has been traveling the world while doing freelance graphic design work. In her free time she loves to draw, go hiking, and eat Thai food.
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