Jessi Massingale, PE

Managing Principal

Education:
MS Environmental Engineering, University of Washington, 2004
BS, Oceanography, and BS, Zoology, University of Washington, 2001

Certification:
Professional Engineer, Washington, Oregon, and Alaska

Jessi Massingale is a Principal and a professional environmental engineer and oceanographer with over 20 years of experience in environmental consulting. She has applied her expertise to multi-PLP federal and state cleanup projects that include RI/FSs, regulatory strategy and compliance, upland and in-water engineering design and modeling, cost estimating, permitting, construction, and post-construction confirmation monitoring. She has also served as a non-testifying expert in litigation. Jessi is a certified mediator and has participated in PLP group mediations to support parties in finding mutually acceptable paths forward.

Professional Strengths

Technical expertise with remedial investigations, design, permitting, cost estimating, and construction for upland and in-water sediment projects under various regulatory programs, including MTCA, CERCLA, and Oregon and Alaska regulations

Technical expertise with maintenance dredging, sediment fate and transport, conceptual site models, source evaluations, hydrodynamic modeling, cleanup level derivation, remedial design and construction, and long-term monitoring

Facilitation of effective decision-making with multi-party PLPs, agency representatives, and stakeholders

Development of technically defensible project positions that are data-driven and supported by regulatory compliance

Strong environmental regulatory knowledge with proven ability to strategically navigate cleanup processes with client focus

Effective management and support for multi-party remediation projects, including budget and allocation forecasting

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