John van Staveren, Pacific Habitat Services, Portland, Oregon, President, Senior Scientist, environmental and regulatory compliance, wetland delineations, riparian inventories, biological assessments, wetland mitigation, expert witness testimony, technical advisory committee, waterway policy

John van Staveren, PWS | President, Senior Scientist

John directs PHS’s environmental and regulatory compliance activities throughout the Pacific Northwest. With over 23 years of experience, he has conducted hundreds of wetland delineations, numerous local wetland and riparian inventories, prepared dozens of biological assessments, designed and implemented freshwater and estuarine wetland mitigation plans, provided expert witness testimony, and served on four state-appointed technical advisory committees concerning wetland and waterway policy in Oregon.  John is certified as a Professional Wetland Scientist and is certified by the Oregon Department of Transportation to prepare endangered species effects assessments.

Contact John: | 503.570.0800

John van Staveren, PWS
President, Senior Scientist

Shawn Eisner
Wetland Scientist

Ron Gaines
Wildlife Biologist

Dale Groff
Soils and Hydrology Specialist

Carole Hallett
Wildlife Biologist

Amy Hawkins, PWS

Gregg Lomnicky, PhD
Fishery Biologist

Caroline Rim
Wetland Scientist/Biologist

Dale Shank
Restoration Ecologist

Fred Small
Wetland Scientist/Botanist

Craig Tumer, PWS

Eric Campbell
Environmental Project Manager

Lisa Bosca
Computer Graphics/GIS Specialist

Jane LeBlanc
Office Manager/Technical Editor