about us

harmsen Team

With 45 employees, Harmsen is big enough to offer the expertise your project needs, and small enough to give you the attention your success requires.

Land Surveying

Aaron Tyson, PLS

Director of Surveying

Matt Schneiders, PLS

Project Surveyor

Andy McLean, PLS

Project Surveyor

Harley Pawley, PLS

Project Surveyor

Jim Hildenbrand, PLS, cFeds

Project Surveyor

Civil Engineering

David Harmsen, PE, LEED AP

President, Director of Engineering

Michael Ryan, PE

Director, Oak Harbor Office

Steve Mason, PE, LEED AP

Project Engineer

Darian Caldwell, EIT

Civil Engineering Designer

Casey Minnick, EIT

Civil Engineering Designer

Nick Dalton, PE

Civil Engineer Designer

Land Use Planning

Andrew Lofstedt, AICP

Land Use Planner

Justin Pedersen

Land Use Planner

Office/ Administration

Karen Swift


Dea Prince

Human Resources Director and Accounting Manager

Cherie Buzzell

Project Manager

Ariana Collins

Administration Assistant and Receptionist

Hannah Snyder

Human Resources and Accounting Assistant

Amanda Pearson

Project Coordinator

Tate McNeal

Project Manager - Mount Vernon

Samantha Hermansen

Administration - Oak Harbor


Amy Johnson, CMW

Wetlands Specialist

Erynn Sullivan, CFM

Wetland Specialist, Field Survey


Jesse Guttierez

Survey Technician, Drone Operations Manager

Tyler Lauzen

Drone Pilot