Staff

When problems are evaluated from multiple perspectives, better solutions arise. That is why and our project-specific staffing plans incorporate a multi-disciplinary approach. In doing so, EXCALIBUR develops more practical, better, lower risk and cost effective alternatives sensitive to our customer’s business needs. Highlighting some of EXCALIBUR’s key project core team staff, we introduce:
Dr. Benedetto De Vivo, Senior Technical Associate.  Professor De Vivo is a globally-recognized expert in environmental geochemistry with over 50 years’ experience in evaluations of pollution, conducting site characterizations and in remediation.  He has over 300 international technical journal publications, 7 educational textbooks, and dozens of educational publications.  Dr. De Vivo is currently a full Professor of Exploration & Environmental Geochemistry at Pegaso On-Line University and is adjunct professor at Virginia Tech, Department of Geosciences and at Nanjing & Hubei Polytechnic Universities in China.   He has been cited over 24,000 times in the literature. In 2019, we was the Association of Applied Geochemistry Gold Medal Award recipient and is listed as one of the top Italian scientists.   Based in Naples, Italy, Dr. De Vivo is teamed with Excalibur to spear head Excalibur’s efforts to bring environmental problem solving expertise to some of Italy’s most contaminated sites and regions.Read More
Mr. Geoff Back, MS, PEA, Senior Branch PM & Due Diligence Practice Manager
Mr. Geoff Back, MS, PEA, Senior Branch PM & Due Diligence Practice Manager. Mr. Back is a senior consultant, professional environmental auditor, and EH&S due diligence / business transaction specialist with over 30 years experience in the environmental consulting industry. Mr. Back holds a M.S. degree in Public Health, Environmental Science and Engineering from the University of North Carolina-Chapel Hill and a B.A. with High Honors in Biology from Kenyon College, summa cum laude.Read More
Ms. Waverly Braunstein, BA, Sr. Chemist & Data Validation / QC Manager
Ms. Waverly Braunstein, BA, Sr. Chemist & Data Validation / QC Manager. Ms. Braunstein has over 26 years of broad-based environmental chemistry and quality assurance experience supporting EPA, United States Army.Read More
Mr. Robert Breakwell, P.G., Senior Hydrogeologist / Project Manager
Mr. Robert Breakwell, P.G., Senior Hydrogeologist / Project Manager. Mr. Breakwell is a senior hydrogeologist and project manager with over 25 years of environmental experience in environmental site assessments, groundwater and surface water quality characterizations, hydrogeologic evaluations, waste and landfill permitting, litigation support, and remediation. Mr. Breakwell holds a B.S. in Geology from The Pennsylvania State University and is a Licensed Professional Geologist in Pennsylvania.Read More
Mr. Mike Lowe, P.E., Project Engineer / Claims Investigator.
Mr. Mike Lowe, P.E., Project Engineer / Claims Investigator. Mr. Lowe is a civil / environmental engineer with over 20 years experience conducting a broad range of civil and environmental engineering, remediation, and construction management projects in over a dozen states. Mr. Lowe holds a B.S. in Civil Engineering from Virginia Polytechnic Institute and State University. He is a licensed Professional Engineer in Virginia.Read More
Galit Clatterbuck, Contract Specialist & Project Management Assistant.Ms. Clatterbuck is a financial information systems management specialist with nearly 7 years experience of project and program financial management support.   At EXCALIBUR, Ms. Clatterbuck supports project controls functions that account for project resource expenditures and providing EXCALIBUR’s project managers and clients with up to date information on project progress and problems relative to work scope requirement and budget.Read More
Mr. Joe Ozog, P.G., Sr. Scientist / Claims Investigator
Mr. Joe Ozog, P.G., Sr. Scientist / Claims Investigator. Mr. Ozog is a professional geologist and consultant with specialized training and more than 20 years experience practicing environmental geology and in site remediation. Mr. Ozog holds a B.S. degree in Geology from the University of Pittsburgh and is a registered Professional Geologist in PA.Read More
Will Peyton
Mr. Will Peyton, Environmental Specialist. Mr. Peyton is a seasoned environmental specialist with broad based training and over 15 years experience in the industry. His diverse experience and skill sets include anthrax chlorine dioxide decontamination design and on-site Level A oversight work conducted at the Hart Senate Office Building, Washington, D.C., directing and completing on-site removal of soil contamination at UXO site, supervising and managing abatement of asbsestos-containing materials (ACMs) in public schools for the Army Corps of Engineers.Read More
Mr. Bryan Roberts, P.G., Principal Geologist / Chief Underwriting Risk Manager. Bryan Roberts has over 30 years experience as a hydrogeologist and project manager designing, implementing, managing, and budgeting complicated groundwater, soil, and underground storage tank (UST) investigations, assessing insurance risks and insurance claims management. Mr. Roberts holds a B.A. in Geology from Western State College and is a M.S. candidate in Hydrogeology at San Jose State University, San Jose, California, and is registered as a Professional Geologist in Tennessee.Read More
Mr. Eric P. Roberts, P.E., P.G., Principal Engineer
Mr. Eric P. Roberts, P.E., P.G., Principal Engineer / Chief Remediation Claims Manager. Mr. Roberts is both a certified professional geologist and professional engineer with nearly 30 years of remediation, engineering, consulting, site assessment, legal services support, environmental liability management, insurance risk assessment and claims management, and related environmental experience. He received a B.S. in Geology and an M.S. in Civil Engineering, both from the University of Maryland, and is registered as a professional engineer (P.E.) in Maryland, Virginia, Ohio, Connecticut and Pennsylvania and is certified as an Industrial-II Waterworks and Waste Systems Operator in Maryland.Read More
Mr. Michael Smith, Chief, Field Services.
Mr. Michael Smith, Chief, Field Services. Mr. Smith has more than 20 years experience in providing environmental field services to a wide variety of petroleum retailers, distributors, refiners and other companies and has developed a reputation as a technical expert in remediation system operation, performance optimization, equipment maintenance, trouble-shooting / repair, system monitoring and other site environmental operations. Mr. Smith is a certified Class II Industrial Wastewater Operator and is trained for Hazardous Waste Activities per OSHA 29CFR 1910.120, Hazardous Materials Transportation per DOT 49CFR 172H, Excavation & Trenching Safety per OSHA 29CFR 1926P, Confined Space Entry per OSHA 29CFR 1910.146 and Electrical Safety per OSHA 29CFR 1910.332 & 1926.416.Read More
Mr. Dave Seaman, Manager, Remediation Field Services
Mr. Dave Seaman, Manager, Remediation Field Services. Mr. Seaman has more than 20 years of environmental field services experience and widely regarded as as a technical expert in remediation system operation, performance optimization, equipment maintenance, trouble-shooting / repair, system monitoring and other site environmental operations. Mr. Seaman is a certified Class II Industrial Wastewater Operator and is trained for Hazardous Waste Activities per OSHA 29CFR 1910.120, Hazardous Materials Transportation per DOT 49CFR 172H, Excavation & Trenching Safety per OSHA 29CFR 1926P, Confined Space Entry per OSHA 29CFR 1910.146 and Electrical Safety per OSHA 29CFR 1910.332 & 1926.416.Read More
Ms. Cynde Sears, MA, Senior Regulatory & Compliance Training Specialist
Ms. Cynde Sears, MA, Senior Regulatory & Compliance Training Specialist. Ms. Sears has over 30 years teaching and professional training experience in environmental sciences and on federal, state and local environmental regulations. Ms. Sears holds a M.A. degree in Environmental and Resource Policy from George Washington University and a B.S. degree in Geology from George Washington University. Additionally, Ms. Sears has received extensive training at the Emergency Management Institute. She was named in “Who’s Who of America’s Teachers” in 1992 and received the Klingenstein Award for Excellence in Teaching (Columbia University) in 1987.Read More
Dr. Ross Tabachow, P.E., Senior Environmental Engineer / PM
Dr. Ross Tabachow, P.E., Senior Environmental Engineer / PM. Dr. Tabachow is a civil / environmental engineer with over 15 years experience in the environmental industry focused on site characterization and remediation with additional consulting experience in developing, designing and implementing environmental management systems for large organizations. Dr. Tabachow holds a Ph.D. and M.S. degrees in Environmental Engineering from Duke University, and a B.S. degree in Civil Engineering from the University of Maryland at College Park. He is a registered and certified in multiple states as a professional engineer.Read More
Mr. Stephen Wendt, MS, Environmental Liability & Asset Management Director. Mr. Wendt has over 35 years experience in environmental consulting, site assessment and investigation, engineering, remediation, industrial siting, regulatory compliance/enforcement, legal support, and environmental liability & risk management services. Mr. Wendt holds a B.S. in Biology and a M.S. in Microbiology from Virginia Polytechnic Institute and State University.Read More
Ms. Mary Lynn Yurko, P.G., Project Geologist / Claims Investigator
Ms. Mary Lynn Yurko, P.G., Project Geologist / Claims Investigator. Ms. Yurko is a senior geologist and project manager with over 12 years of environmental experience in environmental site assessments, groundwater and surface water quality characterizations, hydrogeologic evaluations, waste and landfill permitting, litigation support, and remediation. Ms. Yurko holds a M.S. degree from the University of Pittsburgh in Geology and Geochemistry and a B.S. degree in Microbiology from Pennsylvania State University. She has been a licensed Pennsylvania Professional Geologist since 2006.Read More