Eric Schellenger is a Principal Geotechnical Engineer based in Washington with more than 10 years of experience focused on public and private infrastructure projects, including transportation and utility improvements, evaluation and mitigation of geologic hazards, multifamily redevelopments, and development of healthcare and life-science facilities.
Jennifer Nyman is a Senior Principal Engineer based in California with more than 20 years of experience focused on soil and groundwater investigation and remediation.
Eric Marhofer is a Principal Environmental Engineer based in Washington with more than 20 years of experience investigating and remediating contaminated soil, groundwater, and air.
Jorge Murillo is a Senior Principal Geotechnical and Tailings Engineer based in Spain with more than 20 years of international experience focused on geotechnical projects, earthwork designs, and mine-waste projects and with significant tailings management responsibilities, often as Engineer of Record (EoR) and Independent Reviewer (IR). Jorge is Senior Services Director for Iberia.
Muhammed Mustafa is a Principal Water Resources Engineer based in California with more than 20 years of experience helping public- and private-sector clients solve complex water resources challenges related to hydrology, hydraulics, sediment transport, scour, flood risk, and infrastructure resilience.
Joseph Bartlett is a Principal Environmental Engineer based in Florida with more than 15 years of experience focused on assessment and remediation of contaminated sites.
David Allison is a Senior Principal Engineer based in Idaho with more than 20 years of consulting and industry experience focused on the design and operation of water and wastewater treatment systems, site characterization and remediation, mine investigation and discharge treatment, and construction services.
James Veres is a Senior Principal based in Maryland with more than 30 years of experience focused on federal contracting.
Martin Schneider is a Senior Principal based in Maryland with more than 25 years of focused on guiding complex federal and commercial nuclear programs.
John Longenecker is a Senior Principal based in Nevada with more than 35 years of experience focused on energy and national security. John is Executive Advisor to the Chairman for Energy and Security.
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