
Erin Russell, P.E.
Principal and Engineering Manager

Karis Van Diest, PE
Project Engineer

Maddi Schatz
Civil Designer

Cole Weidkamp
Civil Designer

Lukas Hemenway
Civil Designer

Erin Russell, P.E., Principal and Engineering Manager
Primary responsibilities include general management of all civil engineering activities, including project design, completion of reports, permitting, and preparation of project plans and specifications.
Education and Training:
- B.S. Civil Engineering Technology, 2014, Washington Engineering Institute
- B.A. Psychology, 2004, Trinity Western University
Professional Recognition:
- Registered Professional Engineer, State of Washington
- Certified Erosion & Sedimentation Control Lead
Career Experience:
Project Manager and Civil Engineer / Designer for civil engineering projects in the Pacific Northwest since 2010.
Experienced in:
- Permitting & Planning Coordination
- Land Development
- Road & Utility Design
- Grading & Site Plans
- Stormwater Modeling and Design.

Karis Van Diest, PE – Project Engineer
Primary responsibilities include understanding client needs, and creating practical and effective solutions for these needs through the preparation of project plans and specifications.
Education and Training:
A.A.S. Civil Engineering Technology, 2015, Washington Polytechnic Institute
B.S. Civil Engineering Technology, 2017, Washington Polytechnic Institute
Professional Recognition:
Certified Erosion & Sedimentation Control Lead
Registered Professional Engineer, State of Washington
Career Experience:
Civil Engineering design for projects in the Pacific Northwest since 2014. Experienced in:
- Land Development
- Site Layout Design
- Stormwater Management & Mitigation
- Grading, Road, & Utility Design

Maddi Schatz, Civil Designer
Primary responsibilities include ensuring clients’ satisfaction on every project through the preparation of project plans and specifications.
Education and Training:
A.A.S Civil Engineering Technology, 2019, Washington Polytechnic Institute
B.S. Civil Engineering Technology, 2019, Washington Polytechnic Institute
Career Experience:
Civil Designer for civil engineering projects in the Pacific Northwest since 2018. Experienced in:
- Road & Utility Design
- Stormwater Design
- Site Plans

Cole Weidkamp, Civil Designer
Primary responsibilities include ensuring client’s satisfaction on every project through the preparation of project plans and specifications.
Education and Training:
B.S. Civil Engineering, 2022, George Fox University
Career Experience:
Civil Designer for civil engineering projects in the Pacific Northwest since 2022. Experienced in:
- Road & Utility Design
- Stormwater Design
- Advanced Stormwater Hydrology Modeling
- Site Plans