Due Diligence

Our environmental due diligence practitioners specialize in assisting mergers, divestitures, and acquisitions (MD&A) activities by locating hard-to-find environmental liabilities and their underlying financial and business risks.  Our professionals combine technical expertise in conducting and reviewing environmental assessments for producing streamlined recommendations designed to enhance deal flow. Our MD&A practitioners identify and evaluate business and financial risks associated with:

  • Environmental Health and Safety (EH&S) compliance issues
  • Financial reporting requirements
  • Recalcitrant contamination
  • Vapor intrusion and indoor air quality concerns
  • Geotechnical challenges
  • Hazardous substance-containing building materials
  • Protected wildlife and wetlands
  • Cultural resources

Geosyntec can bring a unique combination of environmental and hazard risk engineering expertise to bear on sensitive transactions, such as those related to sensitive infrastructure.

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More Information

For more information about Geosyntec’s comprehensive vapor intrusion and mitigation services, please see our Vapor Intrusion Statement of Qualifications »

Our Consultants

  • Michael Kavanaugh, Ph.D., P.E., BCEE

    Mike Kavanaugh is a Senior Principal Environmental Engineer based in California with more than 35 years of consulting experience focused on the areas of water quality, water treatment, and groundwater remediation. He has served a highly diverse group of private and public sector clients directly, through industry associations, and through attorneys. More than 20 years ago, Mike's professional practice started in the areas of municipal and industrial wastewater treatment, water quality ...
  • Karen Kosiarek, P.E.

    Karen Kosiarek is a Senior Consultant Remediation Engineer based in Montana with more than 15 years of experience focused on the characterization and remediation of soil and groundwater contamination at industrial and commercial properties. Prior to relocating to Montana, Karen practiced in Southern California for 14 years. For more than 50 brownfield redevelopments, remediation sites, and landfills in Southern California, Karen provided design and consulting services. Her professiona ...
  • Susan Hill, P.E.

    Susan Hill, P.E., a Senior Principal at Geosyntec, is an Environmental Engineer with more than 30 years of experience focused on the investigation and remediation of sediment mega sites. She has worked extensively with large PRP groups within the CERCLA program. Susan is a recognized leader in the development of remedial approaches for waterways with contaminated sediments and associated floodplain soils. She has served as project manager for the feasibility study of one of the larges ...
  • Michael Berman, P.E., CHMM

    Michael Berman is a Senior Principal Engineer based in Maryland with more than 18 years of experience focused on evaluating the nature and extent of environmental contamination or developing models for estimating environmental liabilities to support his clients' business decisions. Corporate managers, financial analysts, and industry counsel know that environmental conditions and their regulatory consequences can significantly impact their business decisions and ongoing operations. To ...
  • Randy Brandt, P.G.

    Randy Brandt is a Senior Principal Geologist based in California with more than 25 years of experience focused on hydrogeology with special emphasis on the return of sites environmentally impacted by past industrial manufacturing activities and former military installations surplused through the Base Realignment and Closure (BRAC) process to productive uses. Randy specializes in development and implementation of soil and groundwater characterization programs for contaminated sites ass ...
  • Paul Botek, P.G.

    Paul Botek is a Principal Geologist based in Maryland with more than 15 years of experience focused on the assessment and restoration of contaminated sites, provision of environmental management services, consulting on solid waste management facility permitting and closures, remediation construction management, and spring water supply studies. For the evaluation and selection of field investigation methods for subsurface investigation, Paul is considered a go-to professional. His clie ...
  • Todd McAlary, Ph.D., P.Eng., P.G.

    Todd McAlary is a Senior Principal Engineer with more than 25 years of international consulting experience focused on the evaluation of contaminant fate and transport in soil and groundwater. Todd specializes in assessing and mitigating the migration of volatile organic compound (VOC) vapor from the sub-surface environment into buildings and in the assessment of human health risks associated with inhalation exposure. He co-authored the first technical publication demonstrating the pot ...
  • Neal Durant, Ph.D.

    Neal Durant is a Senior Principal Engineer based in Washington, D.C. with more than 28 years of experience investigating, remediating, and managing complex contaminated sites. Neal serves as a consultant and advisor to multi-national corporations and government agencies on matters involving quantification, management, and remediation of environmental liabilities. His clients include information technology service companies, aerospace manufacturers, industrial chemicals manufacturers, ...
  • Paul Brookner, P.G.

    Paul Brookner is a Senior Principal Hydrogeologist based in Minnesota with more than 25 years of experience focused as a regulator, consultant, and environmental manager for a multinational corporation. As a program manager for a Fortune 500 company, Paul has managed corporate environmental risk, financial reserves, and compliance reporting for a global portfolio of legacy manufacturing facilities. In this role, he led negotiations with U.S. state and federal agencies involving sites ...
  • Beau Hodge, P.G.

    Beau Hodge is a Principal Geologist based in North Carolina with more than 25 years of experience focused on environmental site investigation and remediation with a focus on recalcitrant compounds including chlorinated solvents, creosote, and coal tars. He is a professional geologist with expertise in developing assessment, remediation, and closure strategies. Beau is a Registered Site Manager under the North Carolina Registered Environmental Consultant Program, the voluntary remediat ...
  • Poppy Staub

    Margaret "Poppy" Staub is a Senior Principal Geologist and Environmental Engineer based in Colorado with more than 20 years of experience focused on environmental compliance, Superfund site management, pollution prevention practices, and management systems development for mountain resorts and clients in the mining, oil and gas, extractive metallurgy, biomedical, and manufacturing industries. Along with supporting an array of corporate clients on high-level strategy with respect to env ...
  • Michael Houlihan, P.E.

    Michael Houlihan is a Senior Principal Engineer based in Maryland with more than 30 years of experience focused on industrial and municipal waste management, waste containment system design, geotechnical engineering, environmental remediation, revitalization of impaired properties, construction engineering, and litigation support, including expert witness work.  Examples of his recent projects include: closure and remediation of coal-ash disposal sites at electric-power generating st ...
  • David Espinoza, Ph.D., P.E.

    David Espinoza is a Senior Principal Geoenvironmental Engineer based in Maryland focused on foundation design over soft soils, design of regulated containment facilities, and more recently, financial evaluation of infrastructure investments taking into consideration physical risks such as climate change. David's solid waste experience includes permitting of disposal facilities for municipal solid waste, construction demolition debris, and industrial manufacturing wastes/residuals; des ...
  • Sam Williams, P.G.

    Sam Williams is a Senior Principal Hydrogeologist based in California with more than 25 years of experience focused on the characterization and remediation of soil and groundwater contamination at industrial and commercial properties. Utilizing his experience in site characterization and innovative remediation programs to work with clients on converting impacted properties into community assets as commercial developments through Brownfields site redevelopment programs, Sam has worked ...
  • Nandra Weeks, P.E.

    Nandra Weeks is a Senior Principal Environmental Engineer based in Florida with more than 20 years of professional experience focused on the engineering and remediation issues associated with environmentally-impaired property redevelopment. She also specializes in the design and implementation of environmental compliance and site remediation programs at municipal solid waste landfills, coal combustion product disposal sites, and other properties. Nandra has developed site-specific app ...
  • Kate Graf

    Kate Graf is a Senior Consultant based in Pennsylvania with more than 20 years of experience who focuses on providing air quality services to industrial clients. Her experience spans environmental engineering including regulatory agency compliance, permitting and enforcement expertise. Kate helps clients effectively resolve regulatory issues including air permitting, compliance, testing and enforcement issues, plant process and emission evaluations. Her clients span many industries in ...
  • Douglas Larson, Ph.D., P.E., LSP

    Doug Larson is a Senior Principal Civil and Environmental Engineer based in Massachusetts with more than 30 years of experience focused on the investigation and cleanup of hazardous waste sites throughout the United States since 1985. He is a Licensed Site Professional (LSP) in Massachusetts and manages Geosyntec's five New England Branch offices, with a combined staff of over 70 engineers and scientists. Doug has designed and managed the implementation of a wide variety of remedial s ...
  • Chris Herin, P.G.

    J. Chris Herin is a Senior Principal Hydrogeologist practitioner in the field of environmental risk management and minimization based in Florida with more than 25 years of experience focused on the mitigation of environmentally impaired properties, environmental compliance, due diligence (All Appropriate Inquiry), and cost-to-cure estimates. He also specializes in groundwater studies, contaminant fate and transport evaluations, and waste management. He is often tapped to serve as a technical ...
  • Tom Peel, Ph.D.

    Tom Peel is a Senior Principal based in Florida with more than 20 years of experience focused on environmental science and engineering including the development of regulatory and risk-based strategies to obtain cost effective closure and redevelopment for environmentally impacted properties. He specializes in applying innovative risk-based approaches to reduce the cost of site assessment and remediation activities. Tom has directed investigations and remedial strategy development for ...
  • Todd Hagemeyer, P.G.

    Todd Hagemeyer is a Senior Principal Hydrogeologist based in Georgia with more than 25 years of experience focused on development of environmental management solutions for the manufacturing and service facilities of Fortune 500 companies and the remediation of commercial and public sector properties impacted by chlorinated solvents, metals, and petroleum hydrocarbons. Todd has years of experience managing and implementing environmental projects that include hydrogeologic site characte ...
  • Elaina Modlin, P.E.

    Elaina Modlin is a Principal Environmental Engineer based in Florida with more than 20 years of experience focused on a wide variety of environmental services including regulatory compliance and permitting, risk management, environmental due diligence, and contaminated site assessment and remediation. Serving as Geosyntec's program director for transactional, regulatory compliance, and environmental permitting services for key clients in the energy and transportation sectors, Elaina's ...
  • Ruth Custance

    Ruth Custance is a Senior Principal Environmental Scientist based in California with more than 20 years of experience focused on the development and effective communication of risk-based approaches for site assessment and remediation. Ruth has lead project teams in utilizing the latest risk assessment and data analysis technologies to optimize remedial approaches. These approaches provide adequate risk reduction while being cost-effective. She has provided critical input into the risk ...
  • Neil Davies, C.Eng., P.E.

    Neil Davies is a Senior Principal Civil and Environmental Engineer based in Georgia with more than 25 years of experience focused on the environmental remediation of former industrial manufacturing sites, and the design of civil infrastructure projects located throughout the United States and Europe. Specializing in the management and technical direction of large multidisciplinary civil and environmental infrastructure projects, Neil's project experience includes treatment systems, pi ...
  • James Langenbach, P.E.

    James Langenbach is a Senior Principal Environmental Engineer for Geosyntec Consultants based in Florida with more than 20 years of experience focused on assisting clients with environmental assessments; remediation design and treatment system optimization; environmental management systems; sustainable remediation designs; and regulatory compliance. For decades, a wide range of industries have used chlorinated solvents as degreasing agents and similar commercial applications. In many ...
  • Marcus Ford, CGeol.

    Marcus Ford is a Senior Principal Hydrogeologist based in the United Kingdom with more than 20 years of experience focused on the assessment of contaminated land and groundwater remediation, particularly properties impacted by past industrial operations. He has applied his expertise across a broad range of sites including those with contamination by pharmaceutical wastes, chlorinated solvents, petroleum hydrocarbons, and organic chemical residuals. To help clients understand and prior ...
  • James Linton

    James Linton is a Principal Environmental Scientist based in Florida with more than 25 years of experience focused on site assessment and remediation. He specializes in innovative contaminated site investigations, remedial strategy development, biological population studies, wetland restoration, phytoremediation and regulatory compliance. Jim has developed feasibility studies and innovative remediation solutions for manufacturing facilities in the pesticide, electronics, and aerospace industr ...
  • Chriso Petropoulou, Ph.D., P.E., BCEE

    Chriso Petropoulou is a Senior Principal Environmental Engineer based in Illinois with more than 25 years of consulting experience focused on a wide variety of clients in the industrial manufacturing sector. Her clients include foundries, metal product manufacturing, rubber manufacturing, metal recycling facilities, malting operations, aerospace companies, automotive manufacturers, electroplating operations, municipal waste landfills, power industry, gas pipelines, railroads, and nucl ...
  • Gary Wealthall, Ph.D.

    Gary Wealthall is a Senior Principal Hydrogeologist based in Toronto with more than 20 years of experience focused on contaminant hydrogeology research and practice. He advises regulatory authorities and clients in the chemical, waste disposal, land development, and insurance industries. Specializing in the development and application of high-resolution site characterization methodologies for dense non-aqueous phase liquids (DNAPLs) in fractured bedrock aquifers and aquitards and in s ...
  • Daniel Schauer, P.G.

    Daniel Schauer is a Senior Principal Geologist based in Florida with over 24 years of geological, hydrogeological, and geotechnical engineering consulting experience focused on multidisciplinary engineering contracts for federal, municipal, and private clients throughout the U.S. and abroad. His practice focuses on construction management, construction engineering, landfill reclamation, construction QA/QC, and remedial system O&M. To assist his clients, Dan has used his geologic a ...
  • Eric Nesbit, P.E.

    Eric Nesbit is a Senior Principal Environmental Engineer with more than 15 years of experience focused on program management, executing environmental remediation actions, removal actions, and remedial construction projects within budget and on schedule. His technical skills in design, problem solving, and process optimization have led to numerous innovative applications of proven technologies that resulted in cost savings to clients and accelerated remediation processes. Over the past ...
  • Kenneth Fredianelli

    Kenneth Fredianelli is a Principal Construction Management Professional based in California with more than 30 years of experience focused on managing engineering, construction, and design/build projects for clients in solid, industrial, and hazardous waste, natural gas, power, petroleum, and chemical manufacturing sectors. His project management responsibilities include contract negotiations, front-end design, detailed engineering design, design/build, construction management, start-u ...
  • Denise Tripp

    Denise Tripp is a Senior Consultant based in Massachusetts with more than 30 years of experience focused on environmental assessment and remediation and litigation support projects for the paper, petroleum, nuclear power, and manufacturing industries across the United States. As a consultant, Denise's practice focuses on technical analyses related to hydrogeologic factors that affect groundwater flow and contaminant transport from hazardous waste disposal sites in support of litigatio ...
  • John Seymour, P.E.

    John Seymour is a Senior Principal Civil Engineer based in Illinois with over 30 years of experience focused on site remediation, deep foundation engineering, and construction management. His clients include major electric utilities based in the Midwest and Mid-Atlantic states as well as PRP groups. John's practice focuses on all aspects of the permitting, design and remedy implementation of Superfund (CERCLA) and RCRA projects. He has led many projects and provided professional consu ...
  • James Stout, BCES

    Jim Stout is a Senior Principal Environmental Scientist based in Texas with more than 31 years of experience focused on the effective management of environmental remediation projects for private and public sector facilities, including Superfund sites. Jim has extensive experience in providing clients solutions to their environmental challenges through site investigations and the implementation of corrective actions. His primary clients include those in the petroleum, municipal solid waste, an ...
  • Andrew Montgomery, P.E.

    Andrew Montgomery is a Senior Principal Engineer based in Georgia with more than 20 years of environmental consulting experience focused on developing regulatory and risk-based strategies to achieve cost-effective site closure and redevelopment of properties impacted with chlorinated solvents, metals, and petroleum hydrocarbons. In addition, he works with Fortune 500 companies to develop and implement environmental management programs. During the past decade, Andrew has managed and pe ...
  • Lisa Van Tassell, P.E.

    Lisa Van Tassell is a Senior Principal Environmental Engineer based in California with more than 15 years of experience focused on soil and groundwater remediation systems; site investigation and characterization, including groundwater, soil, and soil gas; and litigation technical support. She specializes in developing site remediation designs, regulatory compliance strategies, work plans, feasibility studies, corrective measures studies, cost estimates, design plans and specification ...
  • Tom Krug, P.Eng.

    Tom Krug is a Principal Environmental Engineer based in Ontario focused on the evaluation and development of innovative strategies and technologies for remediation of complex contaminated properties for Fortune 500 companies, agencies of the U.S. Department of Defense (DoD), and NASA. Tom specializes in taking new technologies for remediation groundwater, sediment, soil and other waste from the early development stage to successful field scale application, and adapting new and convent ...
  • Dale Prokopchak, CIH, CSP

    Dale Prokopchak is a Principal Industrial Hygienist and Occupational Safety Specialist with more than 30 years of experience as a leader in industrial hygiene, safety, corporate environmental, health and safety program management, training, emergency response planning and implementation, and HAZWOPER compliance. His practice focuses on the development of environmental, health and occupational safety programs to protect workers, facility operating personnel, and the public. With a supp ...
  • Jim Wragg, FGS

    Jim Wragg is a Senior Principal Hydrogeologist based in Delph with more than 20 years of experience focused on the detailed investigation, assessment and remediation of contaminated soil and groundwater, working primarily with site owners from the industrial sector. Jim has direct, recent experience in corrective action program design and implementation, including regulatory negotiation, which places him among the leading consultants in this field in the UK. As a consultant, Jim has m ...
  • Jimmy Whitmer, P.G., CHMM

    Jimmy Whitmer is a Senior Principal Geologist and Hydrogeologist based in Georgia with more than 30 years of experience directing multidisciplinary projects focused on water supply development, site characterizations for waste containment facilities, environmental soil and groundwater assessment, and remedial process optimization at industrial and federal facilities. Jimmy guides clients through the development of technical and regulatory strategies for solid waste permit applications ...
  • Gregory Roush, P.G.

    Gregory Roush is a Principal Geologist based in Georgia with more than 30 years of experience focused on directing multidisciplinary projects involving site assessments and corrective actions at industrial facilities found throughout the Southeastern United States. As a consultant, Greg provides practical, streamlined, and cost-effective regulatory strategies and remediation services to clients in the pulp and paper, wood treatment, pharmaceutical, chemical manufacturing, petroleum st ...
  • Bruce Sass, Ph.D.

    Bruce Sass is a Senior Consultant, Environmental Scientist, and Geochemist based in Ohio with more than 20 years of experience focused on the development and implementation of chemical process improvements and environmental remediation technologies. His practice focuses on developing a deep understanding of chemical processes in engineered systems and in geological settings. He provides analysis, design, and forensic investigation services to clients in the electric power, manufacturing, and ...
  • Melissa Schmitt, P.E.

    Melissa Schmitt is a Principal Environmental Engineer based in Washington State with more than 10 years of professional experience focused on contaminated site assessment, remediation, and regulatory compliance. She specializes in helping her clients perform site assessments and develop closure strategies, as well as design, implement, and optimize soil and groundwater remediation projects at their complex sites. Melissa's key practice experience includes program management of severa ...
Geosyntec Consultants
Geosyntec is a specialized consulting and engineering firm that works with private and public sector clients to address new ventures and complex problems involving our environment, natural resources, and civil infrastructure.

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