
Erin Russell, P.E.
Principal and Engineering Manager

Tyler Green
Principal and Land Use Manager

Karis Van Diest, EIT
Civil Design Lead

Maddi Schatz
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.

Tyler Green, Principal and Land Use Manager
Primary responsibilities include general management of all land use development projects, and helping clients with their permitting needs, including building permits.
Education and Training:
B.A. in Urban Planning & Environmental Policy, 2005, Western Washington University
Career Experience:
Land Use Manager for land development projects in the Pacific Northwest since 2003. Experience in Land Development Services include but not limited to:
- Project Management
- Project Planning
- Permitting i.e., SEPA, Critical Areas, Shorelines, Archaeological, Building, Plat and Land Alteration Applications
- Tribal Consultation
- Feasibility Studies
- Project Plan Review and Design

Karis Van Diest, EIT – Civil Design Lead
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 Engineer-in-Training, State of Washington
Career Experience:
Civil Designer for civil engineering projects in the Pacific Northwest since 2014. Experienced in:
- Land Development
- Landscape Design
- Road & Utility Design
- Grading, Stormwater, & Site Plan 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