Niklas Christensen, Joe Amann, and Rich Scheibley, PhD have joined Herrera’s water resources group in Seattle. Mr. Christensen has 5 years of experience on a wide range of projects including assessing the hydrologic implications of climate change, water quality investigations, and designing and installing groundwater monitoring networks. Dr. Sheibley has over 10 years of experience studying biogeochemical cycling in aquatic ecosystems focusing on streams and specifically on the restoration and function of salmon-bearing streams in the Pacific Northwest. Mr. Amann has over 10 years combined experience and education in hydraulic and hydrologic modeling, water quality sampling, geomorphologic assessment, sediment and erosion assessment, roadway design, sanitary and storm sewer design, and water main design.

Herrera welcomes David Yu to the water resources staff in our Portland office. David has a master’s degree in Environmental Health and has conducted stormwater monitoring, data management, and analytical data analysis.

Herrera also welcomes the following additions to our administrative staff: Christopher Kistner joins our marketing team as a marketing assistant. Ann Harbor and Mary Julvezan have joined our support services group and Vicki Ghio has joined our business management group.

Herrera Environmental Consultants, Inc. (Herrera) is an employee-owned engineering firm based in Seattle, Washington. Our 115 employees are committed to working with our clients to develop innovative and sustainable solutions for infrastructure, natural resources, and stormwater projects. Herrera recently received honorable mention for “best small company” in the NWjobs People’s Picks 2006.