The following executives are responsible for the operations of specific departments and portfolios of clients:


Mark Vigneri

President and Chief Executive Officer

Mr. Vigneri founded ERFS and led the development of the On-Contact® family of technologies and ERFS’ customer service business concepts. With hands-on experience at more than 130 site remediation projects from 1993 to 2001, he developed an integrated solutions approach to match in-situ treatment technologies with the business solutions needed to meet clients’ objectives. Mr. Vigneri is widely recognized for pioneering industry firsts for in-situ remediation, including the On-Contact® Model for technology management, Pay-for-Performance contracting, real-time instrumentation, and the EndPoint® Model for financial services.


Ron Adams, P.E., LSRP

Executive Vice President, Remediation

Mr. Adams is a principal at ERFS and is a chemical engineer with 25 years of experience as an environmental professional (15 years of designing and implementing in situ chemical oxidation projects).  He maintains expertise in site remediation, site investigation, risk-based remediation goal determination, due diligence, and air/water discharge permitting and compliance.  Mr. Adams is experienced in managing petroleum and hazardous waste cleanup sites, Superfund sites, as well as nuclear power and nuclear radiological control projects.  He manages substantial portfolios of industrial and commercial sites addressing a wide range of organic and inorganic contaminants.  He applies creative problem solving together with emerging and innovative technologies combined with risk-based exit strategies under specialized pay-for-performance contracting.  He has a Bachelor of Science in Chemical Engineering (with a minor in Chemistry) from the University of Massachusetts and is a registered Professional Engineer in Florida, New Jersey, and New York.  He is also a licensed site remediation professional (LSRP) in New Jersey.  As an officer in the U.S. Navy, Mr. Adams served onboard nuclear submarines operating nuclear power plants, ballistic missile systems, and ship-wide systems.


David Spader, P.G.

Senior Vice President of Operations and Safety

Mr. Spader is a professional geologist with over 20 years of environmental industry experience both nationally and within New York City.  As Sr. Vice President of Operations and Safety, Mr. Spader oversees environmental services in ERFS’ national and metro regions and chairs the ERFS Health and Safety Committee. He is responsible for the technical management of project teams, business development and sales, proposal preparation, health and safety program management, and senior technical review of large scope projects.  Mr. Spader also provides senior peer review and consulting services to lenders and investors to support their real estate due diligence needs.  Since 2009, he has acted as the lead environmental consultant for the City of Jersey City’s extensive chromium cleanup program. Mr. Spader has geology degrees from the University of New Hampshire and the State University of New York at Oswego and is a Licensed Professional Geologist in the State of Tennessee.


David Zervas

Sr. Vice President of Client Services

Mr. David Zervas is the Sr. Vice President of Client Services for ERFS With over 32 years of professional environmental experience within the public and private environmental sectors, Mr. Zervas is primarily responsible for client development.   Mr. Zervas’ 16 years of chemical oxidation experience as President and Managing Director of a private in-situ remediation company combined with his New Jersey Department of Environmental Protection (NJDEP) experience, provides a unique perspective that enables him to meet the needs of his clients as well as the regulators in a cost-effective and timely manner. Mr. Zervas’ experiences include: Oversight of remediation at over 200 in-situ chemical oxidation treatment sites utilizing a variety of chemical oxidants under wide-ranging geologic conditions both nationally and internationally; the investigation and remediation at hundreds of contaminated sites including CERCLA, RCRA, ISRA-regulated properties, and Department of Defense Facilities while at the New Jersey Department of Environmental Protection (NJDEP), and management of the NJDEP Coal Gas Redevelopment Unit which, in conjunction with a number of New Jersey utility companies, streamlined the investigation and remediation of former manufactured gas plant sites throughout the State.  Mr. Zervas has a BS degree in Environmental Science from Rutgers University.


Patrick Boska

Vice President of Field Services

Mr. Boska is ERFS’ most experienced team leader in field operations with expertise in injection logistics, DOT requirements, permitting from local authorities and fire departments, and innovative injection methods.  He has developed automated and modular mixing and injection systems for special projects and is the in-house expert on propagation installation and down-hole monitoring systems, upon which he also trains other ERFS personnel.  Mr. Boska developed localized direct push injection techniques and standard operating procedures.  Having served in multiple field service positions over the past ten years, he is now the primary field trainer for ERFS and is an executive member of the ERFS Health and Safety Committee.  He has a Bachelor of Science in Marine Safety and Environmental Protection from the Massachusetts Maritime Academy.


Brian C. Grodzki, LSRP

Vice President of Project Management

Mr. Grodzki manages consulting and regulatory (LSRP) services in New Jersey and oversees all technical writing assignments for ERFS Project Managers and Consultants.  Brian started at ERFS as a project manager and field technician/subsurface evaluator in ERFS’ Lakewood, NJ office.  As a favorite of clients for his technical knowledge, level of customer service and problem solving abilities, he quickly moved to the management of key projects.  Mr. Grodzki later gained extensive experience in business development, taking over the management of the Petroleum Portfolio in New Jersey for ERFS. Mr. Grodzki has a Bachelor of Science degree in Environmental Science from Rutgers University.


Thomas Smith, LSRP

Director of Technical Services

Mr. Smith has 27 years of environmental experience in site investigation, remedial technology evaluation and selection, design and implementation of remedial actions, remedial action construction management, waste minimization, and industrial plant support.  Mr. Smith is experienced in managing environmental remediation projects under Superfund, RCRA, and state programs with current emphasis on the NJ LSRP program, and he has managed Health and Safety programs and conducted process safety evaluations for industrial manufacturing capital projects. Mr. Smith has managed remediation projects for corporate and municipal clients to address a wide range of environmental issues including petroleum releases, chlorinated solvents, PCBs, pesticides, and heavy metals contamination. Mr. Smith has met client objectives of limiting both the future risk and the cost of environmental remediation by selection of appropriate technologies and providing constructability reviews and value engineering prior to implementation of remedial actions.  Mr. Smith has a Bachelor of Science in Environmental Science from Rutgers University and is a Licensed Site Remediation Professional (LSRP) in New Jersey.


Mick Warner

General Manager, ERFS Land Services

Mr. Warner is responsible for the overall performance of the ERFS Land Services Division, with an emphasis on expanding this offering to ERFS’ historical customers. Mr. Warner has over 30 years of experience in various roles within the environmental remediation industry. For the majority of his career, he has focused on performing on-site chemistry to reduce or eliminate off-site disposal. He led the commercialization of the most successful metals stabilization technology in the United States and used this technology to remediate over 1,000 sites. Mick used this experience to branch into innovations in oxidation chemistry and organics remediation.

Mick has extensive experience managing environmental liabilities. Mick served as an underwriter for the world’s largest environmental insurance carrier, learning the capabilities and limitations of various financial assurance products. He has managed over 130 fixed-price remediation projects, completing all within the contract terms.


Dave Wilder

Executive Vice President, ERFS Land Services

Mr. Wilder has nearly 30 years of experience in environmental remediation and construction operations management. He has managed the remediation of over 300 sites, encountering nearly every environmental contaminant and incorporating nearly every environmental technology to address them. Mr. Wilder has extensive experience with civil construction, allowing him to develop and implement safe, cost-effective means and methods that are often over-looked by pure environmental practitioners.

During his career, Mr. Wilder has learned to anticipate and proactively address challenges. This has resulted in many occasions in which he reduced or avoided the impacts of out-of-scope conditions, and as such, reduced or avoided cost-overruns and delays. Mr. Wilder oversees the operations of ERFS Land Services Division and is responsible for bidding and executing the work.


William E. Guite, P.E.

National Director of Client Services

Mr. Guite is a Professional Engineer with over 20 years of environmental remediation experience in the United States and internationally. Mr. Guite is an industry expert in the application of in-situ remediation technologies at difficult sites with DNAPL, LNAPL and/or highly-sorbed contamination. Over the past 7 years, Mr. Guite has traveled to Denmark, Australia and many sites in the United States to manage projects and train companies on how to perform in-situ remediation using multiple types of chemical formulations. As National Director of Client Services at ERFS, Mr. Guite is responsible for presenting clients with technical and business options to deliver project goals. Mr. Guite’s business development direction is to promote ERFS’ commitment to completing cleanups and obtaining regulatory closures as soon as possible for the least cost. Using his extensive industry experience, Mr. Guite is charged with major account management and aligning projects with ERFS’ Financial Service programs especially, ProxiOne® and EndPoint®. Mr. Guite has a B.S. in Chemical Engineering from Northeastern University and is a Licensed Professional Engineer in the States of New York and Connecticut.

Share This