A dense forest with tall trees covered in moss, lush green foliage, and ferns, with sunlight filtering through the canopy.

Experienced ecological professionals

Our team has over 30 years of experience in providing dependable environmental services to both public and private sector clients. Our professionals work collaboratively to utilize our shared knowledge and skillsets. NES professionals have performed wetland and biological assessments on over 36,500 acres [1991-2025].

Serving Whatcom, Skagit, and San Juan Counties

30+
Years serving the region
3
County service area
100%
Northwest Washington focus
A woman with blonde hair wearing a white sweater standing outdoors in front of green foliage.

Molly Porter

Principal | Senior Ecologist

  • Molly Porter is a senior ecologist and owner of NES. Molly received a BS in Environmental Science from Western Washington University in 2003. She is certified as a Senior Professional Wetland Scientist (PWS) by the Society of Wetland Scientists (#2064). As a project manager during her 20+ year tenure with NES, Molly has performed numerous wetland delineations, environmental and fish/ wildlife assessments, mitigation design, stream & shoreline review, and environmental permitting throughout the north Puget Sound region. 

A man with a bald head and mustache wearing a gray long-sleeve shirt standing in front of green trees.

Collin Van Slyke

Principal | Senior Ecologist

  • Collin is a senior ecologist and owner of NES. Collin earned his BS in Environmental Science at Western Washington University in 2014. He is certified as a PWS by the Society of Wetland Scientists (#3129). Collin has 10+ years of experience in project management, wetland delineations, environmental and fish/ wildlife assessments, mitigation design, stream & shoreline review, and environmental permitting throughout the Puget Sound region.

A woman with light skin, blue eyes, and brown hair with bangs, smiling, standing outdoors in front of green foliage.

Katherine deBeauclair

Ecologist

  • Katherine deBeauclair is an ecologist with NES. Ms. deBeauclair obtained a Bachelor of Science in Environmental Science with a concentration in Ecology and Conservation from Drexel University and a certificate in Wetland Science and Management from the University of Washington. Her experience includes critical areas reporting, environmental monitoring and analysis. She is certified through SWS as a Wetland Professional in Training (WPIT).

A woman with glasses, earrings, and a green button-up shirt standing outdoors in front of green leafy foliage and smiling at the camera.

Ellie Aosved

Ecologist

  • Ellie Aosved is an ecologist with NES. Ms. Aosved obtained a Bachelor of Arts in Biology from Pacific Lutheran University. Her expertise includes critical areas reporting, geospatial analysis, wetland mitigation planning and monitoring.

A smiling man with a mustache, wearing a patterned shirt, standing outdoors in front of green and yellow foliage.

Alec Spencer

Ecologist

  • Alec Spencer is an ecologist with NES. Mr. Spencer obtained a Bachelor of Science in Environmental Science from Huxley College of the Environment at WWU, and a certificate in Wetland Delineation from Portland State University. His experience includes environmental assessments, monitoring, and compliance.

Interested in joining our team?

NES is always looking to add to our team of ecologists who specialize in wetland & aquatic resource delineation, permitting, and restoration design. To inquire about career opportunities, please introduce yourself by emailing info@nwecological.com.