Key Staff

Lori Zamiska – President

Ms. Zamiska holds a BS Degree in Geo-Environmental Engineering (1998) from Pennsylvania State University. She has over 25 years of experience in performing and managing concrete, soil, paint, and groundwater investigations and remediation for natural gas facilities.  She has managed large-scale, multi-site projects involving due diligence file reviews, characterization assessments, Phase II ESAs, response actions, underground tank removals, hazardous and nonhazardous waste management, and health and safety oversight. Ms. Zamiska has conducted records reviews, staff interviews, and site inspections at many large industrial facilities to identify historic disposal practices, issues with waste handling and disposal, and potential environmental concerns at the facilities. She has conducted site investigation and remediation projects at hundreds of industrial facilities. Ms. Zamiska has also managed several large-scale, multi-year groundwater monitoring and remediation projects.

Robert W. King, PG – Partner

Mr. King holds an MS Degree in Hydrogeology (1987) from Kent State University, an MS Degree (2002) in Information Systems from Robert Morris University, and a BS Degree in Geology (1984) from the University of Akron. He is currently a PhD Candidate in Information Systems and Communications Management at Robert Morris University, with an expected graduation in 2026. With over 30 years of consulting experience, he has managed hundreds of soil and groundwater investigations for site characterization and remediation. Mr. King is experienced in all phases of remedial investigations, including interpretation of hydrogeologic data, groundwater modeling, risk assessment, and selection of cost-effective remedial solutions. He has also successfully managed fast-track, multi-site property transfer projects, which involved the assessment of numerous properties under very aggressive schedules. Mr. King is a registered professional geologist in Pennsylvania, Kentucky, Arkansas, and Indiana, and through the American Institute of Professional Geologists (AIPG).

Stephen Menosky – Vice President

Mr. Menosky holds a BS Degree in Environmental Studies (1991) from Allegheny College and has over 25 years of experience conducting site investigations and remedial programs. Mr. Menosky’s experience includes drilling and installation of groundwater monitoring wells in unconsolidated and fractured bedrock aquifers; sampling of environmental media; aquifer testing; and testing, installation, and maintenance of remedial systems, including soil vapor extraction and groundwater and hydrocarbon recovery systems. Mr. Menosky has been responsible for the operation and maintenance of soil and groundwater remediation systems at active industrial sites, refineries, and service stations. Other experiences include conducting Phase I environmental site assessments and preparing Wellhead Protection Plans for municipal wellfields in Pennsylvania.

Michael D. Waltz, PG – Partner

Mr. Waltz holds an MS Degree in Marine Geology (1988) from the University of Miami and a BS Degree in Geology (1983) from Pennsylvania State University. In over 30 years of professional experience, he has designed and installed hundreds of groundwater remedial systems for both petroleum constituents and CVOCs at sites in New York, Pennsylvania, Ohio, West Virginia, Tennessee, Kentucky, Florida, and Wyoming. He is well-versed in groundwater fate and transport modeling and their application to remediation system design and assessments. Mr. Waltz is licensed for UST/AST Removal Certification (UMR/AMR) through the PADEP. He is also a registered geologist in Pennsylvania and Tennessee and a Licensed Remediation Specialist (LRS) in West Virginia.

Eric Weiler – Principal Engineer

Mr. Weiler holds a BS Degree in Civil and Environmental Engineering (2005) with an elective concentration in Geotechnical Engineering from the University of Pittsburgh. He has managed and overseen the construction, demolition, and remediation of several industrial and commercial facilities, including active and inactive refineries. Mr. Weiler has also led numerous site investigations and remediation projects for sites impacted with various contaminants.  He has also remediated several brownfield sites for developable future reuse.

Katrina Eckard – Senior Wastewater Expert

Ms. Eckard holds a BS in Economics, with an emphasis on Environmental and Business Issues, from Miami University (2007). With more than 15 years of experience, Ms. Eckard has become an expert in the fields of environmental solutions, mechanical design, wastewater management systems, hydraulics, water resource utilization, and fluid mechanics. She has conducted extensive research abroad exploring water technologies and natural resource allocation and developed revolutionary purification and reclamation processes for start-to-finish management of wastewater. During her career, Ms. Eckard has served as a guest lecturer on the topics of wastewater solutions at Miami University, Xavier University, and the University of Cincinnati.  She also consulted on waste and water issues at The World Bank and for the U.S. House of Representatives and U.S. Senate in Washington, DC.

Brian Kowalsky – Principal Scientist

Mr. Kowalsky holds a BS Degree in Political Science (1987) from Kent State University and has over 25 years of experience in the environmental services field. Mr. Kowalsky’s experiences include managing large RCRA / TSCA waste contracts, project management for industrial field services, overseeing tank management services (installations, removals, and inspections), management of remediation projects, as well as business development services (generating sales opportunities, preparing technical proposals, and preparing cost proposals).  Mr. Kowalsky has extensive experience in managing multiple waste contracts for numerous waste generators into a select number of disposal facilities.

Michael Marshall – Senior Scientist II

Mr. Marshall holds a BS Degree in Environmental Science (2012) from the Ohio State University and a Certificate in GIS (2016) from Columbus State Community College. With over 10 years of experience in environmental consulting, he has collected, analyzed, managed, and/or presented spatial data from hundreds of sites, with a focus on pipeline Depth of Cover (DOC) surveys and pond depth profiling projects. Mr. Marshall also has experience completing environmental desktop site assessments for large-scale land acquisition projects, pre-drill residential water resource assessments, and other location-based projects, where he utilizes GIS software capabilities for data management, information sharing, and presentation. Additionally, he is the manager of a multi-facility PCB remediation program for a natural gas industry client, and has experience working on hundreds of other site assessment projects, including Phase I/II ESAs, solid media sampling, and routine groundwater monitoring.