Michael J. Savage, PMP
Michael Savage is a Principal environmental professional based in Texas with more than 20 years of experience in environmental permitting, regulatory compliance, and natural resources management.
Eric Schellenger, PE
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.
Martin Schneider
Martin Schneider is a Senior Principal based in Maryland with more than 25 years of focused on guiding complex federal and commercial nuclear programs.
Nick Szot, PE
Nick Szot is a Principal Geotechnical Engineer based in Washington with more than 18 years of experience focused on design and construction of foundations, retaining walls, roads, dams, slopes, and other structures.
Robert Smith
Robbie Smith is a Principal Environmental and Sustainability Consultant based in Abu Dhabi with more than 15 years of experience focused on delivering complex environmental projects across Europe, the Middle East, North Africa, and Southeast Asia.
Mahsa Shayan, PhD, PE, PEng, IntPE
Mahsa Shayan is a Principal Engineer based in California with more than 16 years of academic and consulting experience focused on contaminant fate and transport, site investigation, and remediation.
Michael Shultz, PhD
Mike Shultz is a Senior Principal Geologist based in Minnesota with more than 25 years of experience focused on applying advanced geologic concepts to reduce uncertainty and improve decision-making when addressing problems related to subsurface conditions.
John Spencer, PG
John Spencer is a Principal Hydrogeologist based in Florida with more than 15 years of experience focused on groundwater-supply development and implementation, environmental project management, remedial design and implementation, and fieldwork performance at sites contaminated with chlorinated volatile organic compounds, petroleum, metals, and pesticides.
Raphael Siebenmann, PE, GISP
Raphael Siebenmann is a Senior Principal Engineer based in Georgia with more than 20 years of experience in civil and environmental consulting.
David Scrivner, PE, CSP
David Scrivner is a Senior Principal Engineer based in California with more than 30 years of experience focused on contaminated site remediation, construction management, construction safety, risk management, and construction engineering. He leads Geosyntec’s Construction Management and Delivery practice in Northern California.
