Key Personnel

Stephen Eagar, PE

Principal and Owner

Stephen is the Principal and Owner of Central Geotechnical Services and has worked as an engineer and project manager for over 15 years.  A combination of both private and public experience, he has worked on projects in many categories (vertical, horizontal, earthwork, sediment retention, levees, dams) and served in Afghanistan as an engineer for the US Army Corps of Engineers in 2011.  Work experience encompasses aspects of projects, from concept to completion in multi-disciplinary roles including project initiation, design, bid/award, construction observation, and remote liaison project coordination at the Congressional level.

Paul Crenna, CEG, LEG, LHG

Principal Engineering Geologist

With over 26 years of consulting experience, Paul brings guidance to each project, with a “big-picture” perspective involving the geological implications of the geotechnical design process.  Paul has been involved with projects large and small.  He has performed geotechnical investigations in sensitive areas and is considered a slope stability analysis expert.  He has provided forensic analysis and expert witness services in cases involving adverse soil conditions and foundation drainage. Paul is also licensed as both a Licensed Engineering Geologist and a Licensed Hydrogeologist in Washington State.

Jose Serrano, PE

Associate Engineer

With over 12 years of experience, Jose has worked on the West Coast as well as across the Midwest. He brings his knowledge of various types of deep and shallow foundations including spread/continuous footings, mat slabs, drilled shafts/caissons, and pile foundations. Now at Central Geotech, Jose oversees geotechnical investigations, provides foundation recommendations, reviews reports and construction documents, and mentors entry-level engineers. Jose is licensed in California, Oregon, Washington, Florida, Illinois, and Indiana.

Kyle Warren

Staff Geologist

Kyle excels across a multi-faceted range of responsibilities including project management, client relations, report writing, fieldwork oversight, and training new staff.  Kyle has exceptional perspective across big-picture geotechncial and geological firm operations and goals, overseeing complex projects from initiation to completion, in all three phases of geotechnical work.

Erik Fulmer

Staff Geologist/Geophysicist

After graduating with a BS in Geophysics from Western Washington University, Erik began his career working with a geotechnical engineering firm in Bellingham, Washington.  His time in Washington has provided him with an impressive amount of experience providing a variety of geotechnical services on a diverse set of projects.  Erik now coordinates and performs geotechnical investigations and construction observation services for a wide range of Central Geotech’s projects. He enjoys working with project stakeholders and design teams from project conception to its completion.

Nicole Niskanen

Staff Geologist

Nicole is a Western Oregon University graduate with a degree in Earth Science and a concentration in GIS. For over three seasons, she worked for the City of Salem as a supervisor for an environmental aid crew. Here at Central Geotech, Nicole performs geotechnical investigations that range from test pit field data collection to geotechnical drilling. She assists in compaction testing, proof-rolling, subgrade evaluations, and other construction-related tasks. After fieldwork is complete, Nicole initiates a geotechnical report which will then be sent to the client.

Amanda Olson

Operations Manager

As the Operations Manager, Amanda is at the center of the firm. She graduated Magna Cum Laude from Oregon State University with a degree in Merchandise Management and has a background in Marketing and Project Management. At Central Geotech, Amanda manages and oversees Administrative and Human Resources, schedules Engineers/Geology staff, and interacts directly with clients.  Developing, implementing, and reviewing operational policies and procedures are responsibilities she upholds to make sure the operations of the firm are running efficiently.

Amber Weber, MBA

Business Development Manager

Amber graduated from Oregon State University with a BS in Media Communications and holds her MBA from Southern Oregon University. Prior to joining the Central Geotech team, she worked in marketing and sales positions throughout different industries. Now, as the Business Development Manager for Central Geotech, Amber is involved in proposal writing, design for Public and Private contracts, client organization, and retention along with developing new business practices, and manages the firm’s marketing department.

Holly Walden

Marketing Coordinator

Holly graduated from the University of Oregon with a BA in Public Relations. She has a background in social media management as well as customer service. As the Marketing Coordinator, Holly helps maintain the firm’s online social presence, creates internal and external marketing materials, organizes company culture events, and performs a broad range of marketing and public relations efforts. Holly recently obtained her FAA remote pilot certification to operate our drone for marketing photography and field reconnaissance.

Colin Jones

Geotechnical Field Technician

Colin is a graduate from the University of Oregon and joined Central Geotech as a Field Technician–though his skill set reaches across construction, and into marketing, photography, soils exploration, and safety. He primarily works in the field, conducting site reconnaissance and gathering various types of data through testing and observation as part of exploratory and investigative fieldwork, then later performing construction observation in order to ensure client adherence to the recommendations of Central Geotech’s engineers and design team.

Josh Williamson

Geotechnical Field Technician

Josh comes from a strong construction background, providing good insight across construction operations on the ground. Josh conducts site reconnaissance and gathers various types of data through testing and observation as part of exploratory and investigative fieldwork, then later performs construction observation in order to ensure client adherence to the recommendations of Central Geotech’s engineers and design team.

We've Performed Work From Alaska to Afghanistan.

10240 SW Nimbus Ave.
Suite L6
Portland, Oregon 97223
(503) 616-9419 Icon image for info More Info

1401 W 34th Ave
Suite 200
Anchorage, Alaska 99503
(907) 313-3370 Icon image for info More Info

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