Mr. Hazboon is a Senior Engineer in NewFields Los Angeles, California office and has 25 years of experience in environmental consulting and industry. During his consulting experience, Mr. Hazboon has practiced as a California professional Civil Engineer in the areas of soil and groundwater remediation system design, construction, and operation, methane mitigation site testing and design, storm water Low Impact Development site testing and design, Water Quality Management Plans, Industrial and Construction SWPPPs, civil and geotechnical engineering inspections, and Phase 1 and Phase 2 site investigations. He has a B.S. in Civil Engineering with emphasis in Environmental Engineering and an MBA.

Bill Walker bio picture

Dr. Bill Walker is a geochemist with 25+ years of experience in chemistry and geochemistry applied to the mining industry. He holds a BS and MS in Chemistry and PhD in Geochemistry. His interests are primarily in mine water management, mine water treatment, and geochemical modeling as applied to mine related problems ranging from ARD prediction/suppression to researching sustainable operations and closures for coal mines and hard rock mines.

Dr. Wellington is an experienced project engineer with expertise that includes environmental statistics, geostatistics, decision consequence analysis, and Geographic Information Systems (GIS) analysis. His strengths also encompass planning and design for the management of stormwater on large scale developments, low impact development design, hydrologic modeling, water quality modeling, erosion and sediment control design. Dr. Wellington is an expert on matters relating to Clean Water Act violations, National Pollutant Discharge Elimination System (NPDES) permits, stormwater management, and erosion and sediment control. He earned a B.Eng with honors in civil engineering, an M.S. in water resources engineering, and a Ph.D. in civil and environmental engineering.

Mr. Furtado is an agricultural and environmental engineer with his M.S. in forest resources. He earned his undergraduate degree with a double major in agricultural and environmental engineering. He is currently assisting on a wide variety of environmental projects in the United States and Brazil. His principal work includes analysis, management, remediation, and closure of pesticide manufacturing facilities and mining sites. Mr. Furtado is proficient in using environmental databases and Geographic Information Systems (GIS) for statistical analysis, decision analysis, and project management. He is also experienced in coordinating field work for environmental investigations.

Mr. Furtado holds an M.S. from the University of Georgia and a B.S. from Universidade Federal de Viçosa (Brasil)

Mr. Stringer is a NewFields Principal Hydrogeologist with 25 years of experience as a hydrogeologist and groundwater modeler. He has consulted on a variety of groundwater-related projects, including: aquifer characterization; aquifer testing; water rights; remedial investigations; landfill permitting; mine permitting and remediation; corrective measure implementation; CERCLA (Superfund); NEPA analysis; remedial investigation; and municipal water supply exploration, installation, and permitting projects. Mr. Stringer also has substantial litigation experience from having served as an expert witness for a variety of contested cases relating to water rights and groundwater contamination.

Mr. Stringer holds an M.S. Geology/Hydrogeology and a B.A. in Biology and Secondary Education.

Mr. Cerquone is a Principal Environmental Scientist who leads the Environmental Remediation team. He has 25 years of diversified environmental consulting and remediation experience, including more than 14 years of U.S. Environmental Protection Agency (EPA) Brownfields assessment and redevelopment experience. Chris has managed numerous environmental projects, including: hydrogeologic investigations of landfills; metal plating chemical release investigations; Phase I, II, and III Environmental Site Assessments (ESAs); human health risk assessments; and, contaminated soil and groundwater remedial actions. He has an M.S. in Environmental Studies and a B.S. in Biology with a minor in Mathematics.

Mr. Hinrichs has over 30 years of experience in the environmental field. As a project manager and lead consultant for NewFields, he represents several private sector mining companies involved in Environmental Protection Agency (EPA) mandated Comprehensive Environmental Response, Compensation and Liability Act (CERCLA) mine remedies and natural resource issues. His career milestones include designing and constructing a deep tunnel groundwater diversion that reduced the treatment demand at mining site near Vail, Colorado. Mr. Hinrichs received a B.S. in geology.

Mr. Puchalski is versatile environmental management professional. He combines hands-on and practical field experience with knowledge of fluid flow, contaminant transport and risk assessment to develop practical and effective remedial investigations and alternatives. His career includes remediation work as a New Jersey well driller and work as a licensed professional engineer/project manager for a 200+ project portfolio.

Mr. Puchalski has a B.S. from Louisiana State University.

Diogo Gaspar is an Environmental Geologist for NewFIelds’ UK and an expert in environmental characterization and analysis for EIA studies, due diligences, permitting and environmental management. He has extensive experience in environmental diagnostics in both the private and public sector. He has cross-disciplinary skills that can transfer between geological, geographycal and geophysical techniques and software.

Dr. Gaspar’s strengths are Stratigraphy, Structural Geology,Environmental Impacts and GIS and has worked in the UK, Portugal and Brazil.

A Portuguese native he is a Doctor of Philosophy in Sedimentary Basin Analysis with a Master’s in Geodynamics and licentiate’s degree in Geology and is fluent in English and Portuguese and has some working proficiency French and Spanish.

Mr. Barnum is a Senior Project Scientist in NewFields Dallas, Texas office and has over 18 years of environmental consulting experience.  His experience includes due diligence, subsurface investigations, environmental compliance, site remediation, regulatory site closure, and project management.  Mr. Barnum has experience working with numerous regulatory programs including the Texas Commission on Environmental Quality (TCEQ) Voluntary Cleanup Program (VCP), Innocent Owner/Operator Program (IOP), Dry Cleaner Remediation Program (DCRP), and Municipal Setting Designation (MSD) Program.  Mr. Barnum has obtained MSDs for several large multi-property projects providing substantial benefits to the City, local businesses, and residents.  Mr. Barnum also has experience working with the Railroad Commission of Texas (RRC) Operator Cleanup Program (OCP).

Mr. Barnum has completed Phase I Environmental Site Assessments (Phase I ESAs) and subsurface investigations at industrial, commercial, residential, and undeveloped sites throughout the U.S.  Investigation activities included the oversight and installation of groundwater monitoring wells, collection of soil and groundwater samples, interpretation of analytical data, preparation of assessment reports, cost projections for regulatory closure, and client and regulatory interaction.

Mr. Barnum hold B.S and M.S degrees in environmental science.

Mr. Kendrick is a Partner in NewFields Dallas, Texas office and has over 25 years experience in environmental consulting and industry. During his consulting experience, Mr. Kendrick has specialized in soil and groundwater remediation, storm water permits and preparation of Storm Water Pollution Prevention Plans (SWPPPs), preparation of Spill Prevention, Control, and Countermeasures (SPCC) Plans, and regulatory interaction within various regulatory programs, such as CERCLA, the Texas Voluntary Cleanup Program, Innocent Owner/Operator Program, Leaking Petroleum Storage Tank Program, and Municipal Setting Designations. He has an M.S. in Environmental Engineering.

Mr. Roe has over 30-years of experience in the hydrogeological and engineering geology field and has managed over his career the technical and regulatory aspects of a diverse portfolio of engineering and environmental projects. Mr. Roe has specific expertise in hydrogeologic investigation and characterization, groundwater modeling and solute fate and transport modeling, aquifer testing and analysis, water allocation development and permitting, large scale wastewater disposal systems and NPDES permitting. He has an M.S. in Engineering Geology, an M.S. in Environmental Science and a B.S. in Earth Science, and is a licensed professional geologist in Pennsylvania, Delaware and Texas.

Mr. Clark is a Principal Hydrogeologist with 27 years of consulting experience to industry, government, and private clients. His work has involved basin-scale groundwater studies, contaminant investigations, feasibility studies, soil and groundwater remediation, monitoring program design, environmental permitting and compliance, and environmental impact analyses. He has developed plans of study and managed multidisciplinary teams of scientists performing physical science and biological baseline studies for resource development projects. K. Bill’s assignments have included work at: natural gas exploration and production fields; proposed, active and abandoned hard-rock mines in the US and West Africa; municipal landfills; and petroleum storage and pipeline transmission facilities. He has a B.S. in Earth Sciences/Geology and an M.S. in Geology/Hydrogeology.

Ms. Sitler has over 20 years of practical experience providing geologic and hydrogeologic consultation, management, and human health risk assessment for the characterization of contaminated sites and providing strategic planning with clients for compliance with federal, state, and local regulatory requirements.  She has prepared human health risk assessments for Superfund mining sites by assessing the exposure to lead and other heavy metals.  Ms. Sitler has applied this experience to mining sites in Missouri’s New and Old Lead Belts and in Arizona, Colorado, and Idaho.  She has experience with the IEUBK child lead model and the adult lead model and is one of the few risk assessors that has experience applying both models to intermittent exposure. Ms. Sitler has managed and participated in soils, groundwater, surface water, waste, and wastewater sampling programs and has provided technical review and strategic planning for Resource Conservation and Recovery Act (RCRA), Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), and various state’s priority list and voluntary cleanup sites.  Ms. Sitler combines a technical background in hydrogeology and human health risk assessment to support management decisions in environmental remediation projects.  Her recent projects include residential yards cleanups and feasibility studies for the protection of aquatic life water quality criteria in mountain streams.  Her years of experience have given her a unique view of data collection and data quality to support both project remedial decisions as well as legal decisions. Ms. Sitler earned her B.S. in geology and a M.S. in geology.

Dr. Leyla Shams is an Environmental Scientist working with NewFields statistics team as a data analyst. She conducts data/statistical analysis in various environmental, biological, ecological studies and works on projects that involve background determination in soil and sediment, trend analysis, contamination assessment and damage valuation. She has a PhD in Environmental and Marine Sciences from Plymouth University in the United Kingdom and has authored and co-authored seven publications. She is a recipient of three ASTM Distinguished Service awards.

Ms. Jackson is a graduate of Louisiana State University with a Bachelor’s Degree in Environmental Engineering. As a Staff Engineer at NewFields Atlanta her primary responsibilities are to perform field and environmental engineering analysis, compile environmental data using databases and Geographic Information Systems (GIS), provide data analysis services, utilize GIS to assess and quantify complex environmental issues, provide engineering design and remediation support, and assist in field investigations, site inspections, and environmental sampling.

Ollie Aberle-Grasse is a staff Geologist and Environmental Scientist with experience in monitoring well installation and sampling, soil sampling, lithology logging, and Geographic Information System (GIS) and database management and analysis. Ollie is also a licensed UAV pilot with experience in aerial mapping and photography. Ollie earned a Bachelors of Science in Geology and a Bachelors of Arts in Environmental Science from Guilford College.

Mr. Wild is a specialist in the management, analysis and presentation of environmental data. He developed the Geographic Information Systems (GIS) and data management tools that are the foundation of NewFields’ business model. He also provides hands-on training for environmental project and technical managers for both NewFields and with the United States Navy Civil Engineer Corps Officer School (CECOS). He has over 24 years of experience in the environmental field and specializes in geostatistics, decision analysis, water resources, and GIS as well as extensive experience in Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) and Resource Conservation and Recovery Act (RCRA) characterization, remediation, and strategic planning. Mr. Wild has served as an expert or testified in numerous state and federal cases across the county. Mr. Wild’s B.S. is in environmental engineering and his M.S. is in civil engineering.

Dr. Negin Kananizadah is a project environmental engineer specializing in Ecoengineering. Her focus is on R&D in Ecoengineering for contaminated site clean-up, statistical analyses on the fate and effects of environmental contaminants, and management and Natural Resource Damage Assessments. She has authored or co-authored almost a dozen papers and was the recipient of the Department of Civil and Environmental Engineering Outstanding Dissertation Award from the University of Nebraska.

Prior to NewFields, Dr Kananizadah was a Postdoctoral fellow at Clemson University researching the harnessing of energy in wastewater using anaerobic membrane bioreactors and microbial fuel cells.

Mr. Gobb has more than 22 years of environmental engineering and consulting experience. He helps clients analyze current and historic site data and explore options that meet regulatory obligation while streamlining the project and reducing overall project liabilities. His specialties include the performance of due diligence investigations (including environmental liability assessments), Remedial Investigation/Feasibility Studies (RI/FS), environmental compliance, risk assessments, soil and groundwater remediation system design and installation, regulatory interaction, and strategic analysis/guidance on Superfund sites. Mr. Gobb supports the evaluation and tracking of the United States Air Force (USAF) Portfolio. His B.S. is in petroleum engineering.

Mr. Grachek is an expert in remedial investigation, design, and construction management for contaminated sites. His experience covers a broad range that includes water and wastewater distribution and treatment design and planning. Mr. Grachek has successfully managed to completion several major remedial programs, including Superfund sites in Virginia and Alabama, and has provided continued management of Resource Conservation and Recovery Act (RCRA) facilities in Georgia. Through innovative remedy development and hands-on management, he achieved significant cost savings on all projects. He has his B.S. in civil engineering and his M.S. in civil/environmental engineering.

Mr. Klenke’s areas of expertise include Phase I-IV Environmental Site Assessments (ESAs), Property Condition Assessments (PCAs), American with Disabilities Act (ADA) Compliance Surveys, Fungal and Indoor Air Quality (IAQ) Investigations, Lead-Based Paint Inspections/Risk Assessments and Asbestos Consulting Services.

He has served as the main point of contact for various school districts, municipalities, property management firms, general contractors, architectural firms, developers, healthcare companies, private businesses, insurance companies, lenders, and governmental agencies.  Experience coupled with extensive training has enabled Rick to be amongst one of the best and most reliable environmental professionals in the environmental consulting industry.

Mr. Klenke earned a B.S. in Exercise and Sport Sciences and an A.S. in Science.

Mr. Meehan has over 20 years of experience in the environmental field, specializing in all phases of environmental investigations and selection of remedial actions, litigation support, strategic liability management, hazardous site property divestments and acquisitions, site characterizations, and decision analysis.   He has conducted numerous site investigations at RCRA, CERCLA, LUST, and solid waste disposal sites.  He assists in strategy development and expert report preparation to support and defend environmental litigation claims.  Mr. Meehan has a B.S. degree in Civil Engineering.

Rosco is an Environmental Scientist with expertise in Geographic Information Systems (GIS) and Visual Analytics/Communication. Additionally he is experienced in Data Analysis/Management, CWA 404/401, NPDES, Endangered Species Assessment and Surface Water Quality Monitoring. He has earned B.S. in Environmental Science from Kennesaw State and a Certificate in Geographic Information Systems (GIS).

Dr. Rouhani is a specialist in environmental statistics, geostatistics, and data analysis with skills that provide an excellent complement to the NewFields team. A noted authority in his field, Dr. Rouhani has authored numerous technical publications, including American Society for Testing and Materials (ASTM) standards, Environmental Protection Agency (EPA) guidance, and US Navy guidance documents. As a hands-on manager, he has successfully directed a large number of projects involving complex data analysis efforts. Dr. Rouhani currently serves as an adjunct professor for the School of Civil and Environmental Engineering at Georgia Institute of Technology. He also serves as an editorial board member for Environmental Forensics of the Association for Environmental Health and Sciences. Dr. Rouhani earned his B.S. in civil engineering and B.A. in Economics, and he has his M.S. and Ph.D. in environmental sciences.

Mr. Moura is located in the NewFields Brazil Rio office and specializes in Engineering with focus on Environmental Risk Management. He is currently managing environmental projects in the State of Rio Grande do Sul and Rio de Janeiro, Brazil. Tiago Moura is a registered engineer in Brazil with over 5 years of professional experience in the environmental field. Principal work involves the use of geographic information systems (GISs) and dynamic environmental databases for risk management, cost control and remediation of contaminated sites. Use of decision analysis for successful negotiation with regulators and establishment of realistic Site closure metrics. Recent remediation projects involve soil excavations, contaminated sediments removal and treatment and groundwater chemical oxidation for different multinational clients present in Brazil. Mr. Moura is fluent in both English and Portuguese. He has a B.S. from Universidade Federal de Viçosa, MG, Brasil.

Valentina Ziri is an Environmental Scientist with experience in field site sampling, scientific research and Geographic Information System (GIS).  Valentina is bi-lingual in Spanish with a background in Oceanography and environmental laws/regulations. Valentina earned a Master’s of Science in Environmental Resource Management from Florida Institute of Technology. She is currently taking courses to expand her knowledge in R programming and soil science for future data analytics.

Mr. Hall offers over 35 years of experience managing multidisciplinary environmental projects with expertise ranging from strategic planning to detailed process and civil design and construction management. His specialty is data and environmental systems analysis, decision analysis, remediation system design, and strategic planning. Over the past 15 years, he has specialized in the application of decision theory for managing complex environmental liabilities portfolios in public, private and Non-governmental organization (NGO) sectors. The approach he pioneered has been employed on more than 1000 sites at both project-specific and portfolio-wide levels. Mr. Hall has worked on well over 1000 restoration and resource development projects in the United States and in over 50 other countries. He has worked on the design of regional water resource management systems throughout the US, Australia, the Middle East, and Africa. His experience in the field of remediation and restoration includes the characterization and remediation of pesticides, metals, petroleum hydrocarbons, solvents, polychlorinated biphenyls (PCBs), and Dioxins. He has also served as the data pattern analyst and decision analyst on approximately 50 expert technical review panels for the US Army, US Air Force, and US Navy. Mr. Hall’s degree is in civil engineering.

Mr. Butler has over 33 years of experience providing environmental consulting services to mostly private clients in the chemical, oil & gas, pharmaceutical, automotive, various manufacturing, transportation, and legal sectors. Much of this experience consists of site investigation, risk assessment and remediation projects under CERCLA, RCRA, and state-led programs across the USA and Australia, and other countries to a less extent. His remediation experience includes managing and executing the evaluation, design, permitting, construction, O&M, and monitoring the performance of MNA, in situ remediation technologies, and containment remedies for a broad range of contaminants. Experience also includes mergers & acquisition support/due diligence, industrial wastewater, and health & safety consulting to a lesser extent. 


Mr. Butler has a M.S. in Environmental Engineering from Drexel University and a B.S. in Environmental Engineering Technology from Temple University. He is a licensed professional engineer in Georgia, Illinois, Indiana, New Jersey and Pennsylvania, and is a Board Certified Environmental Engineer through the American Academy of Environmental Engineers and Scientists.

Mr. Odle is a professional engineer and partner at NewFields and has over 20 years of experience with database and GIS development and analysis for the management of environmental liabilities. Mr. Odle has provided planning, design, and remediation for 100s of environmental projects and landfills throughout US, Brazil, and approximately 20 countries. The projects include Federal Superfund sites, RCRA sites, and many high-profile contaminated sites. He has brought many contaminated sites to closure. Mr. Odle uses database, GIS and other visualization and spatial analysis tools to effectively communicate technical issues to the public and project stakeholders. Recent work of Mr. Odle has included development of large databases for analysis of environmental metrics on global scale for industrial groups.

Mr. Odle has an M.S. from North Carolina State University and a B.S. from The University of Memphis.

Robert Rivera is an environmental engineer at NewFields. Rob has more than 34 years of consulting experience providing engineering design, construction management, and construction turnkey services on site remediation and industrial demolition projects. These projects occurred in the pharmaceutical, manufacturing, power, oil & gas, food & beverage, and mining industry sectors. He is a licensed professional engineer in Florida, Georgia, South Carolina and Tennessee; a licensed soil erosion control designer in Georgia; and prior to arriving at NewFields was also a qualifying agent on general contractor licenses in Georgia, South Carolina and Tennessee.

Rob’s areas of expertise are in civil engineering earthwork, grading and drainage; construction contract documents, construction contracting, safety and construction risk review, constructability review, and cost estimating. He has also worked in-country on industrial demolition projects in Brazil, Panama, South Korea and Macau. In the industrial demolition and decommissioning arena, Rob has specialty experience in mercury cleanup planning and implementation, lift plan review, petroleum pipeline decommissioning and abandonment, and gun range remediation.

Rob is originally from Connecticut and attended university at Carnegie Mellon University where he worked on a team that created and built a 1st-generation tethered robot to explore the doomed reactor at Three Mile Island.  Rob spent the first half of his career (and original licensure) in New York, then lived in Atlanta for 14 years, and now resides near Greenville, South Carolina. He enjoys hiking, travel and DIY home projects with his wife Larissa. Two of his three kids are alumni at UGA and Georgia Tech, so he is forever linked to Atlanta and Georgia.