John Longenecker
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.
Tina Liu, PE
Tina Liu is a Senior Environmental Engineer based in Missouri with more than 10 years of experience in environmental site investigation, feasibility study, remedial design, strategic planning, and project management and controls.
Chris Lieder, PG
Chris Lieder is a Senior Principal Geologist based in California with more than 20 years of experience focused on transactional due diligence, site characterization, environmental remediation, and regulatory compliance.
Marc Lefebvre, PE
Marc Lefebvre is a Senior Principal Environmental Engineer based in Florida with 38 years of experience focused on industrial wastewater design and permitting, hazardous waste management, site assessment, and groundwater and soil remedial system design and operation.
Sophia Lee, PG
Sophia Lee is a Principal Geologist based in California with more than 10 years of experience focused on hydrogeologic modeling, remedial investigations, water resiliency, and environmental restoration for governmental and private clients worldwide.
Satu Lyyra, PhD
Satu Lyyra, PhD, is a Principal Consultant based in Finland with more than 25 years of experience in the fields of environmental and energy management.
Daniel Lanier
Daniel Lanier is a Senior Principal Consultant based in Texas with more than 24 years of experience focused on marine geology and offshore geoscience.
Chris Livingston, PE
Chris Livingston is a Principal Geoenvironmental Engineer based in Florida who focuses on civil, environmental, and geotechnical engineering.
Daniel Lee, PE, CCM
Daniel Lee is a Senior Principal Engineer based in California with more than 19 years of experience focused on a variety of private and public development projects, including planning, engineering design, regulatory compliance, and construction management. He founded Geosyntec’s civil design and construction management practice in the Los Angeles region.
Eric Lovenduski
Eric Lovenduski is a Principal Scientist based in New York with more than 24 years of experience focusing on soil and groundwater contamination. He specializes in evaluating and mitigating vapor intrusion (VI) and supporting carbon capture, utilization, and storage (CCUS) projects.
