Find the Right Expert for Every Case

President of Ferrantello Surveyors and Land Planners

Frank S. Ferrantello, PLS is a land surveying and civil engineering expert specializing in boundary disputes, accident site mapping, and land use planning. With a career encompassing diverse projects in land surveying, civil engineering, and site development, he brings a multidisciplinary perspective to litigation work. His work centers on investigating boundary discrepancies, assessing site conditions, and evaluating whether professional negligence has occurred. Mr. Ferrantello has been retained in numerous expert witness and consulting engagements across New York, involving cases related to land surveying, civil engineering, and zoning disputes. His education in Civil Engineering/Land Use Planning from Hofstra University, along with his New York State Licensed Land Surveyor certification, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of standard of care in disputes involving land surveying and civil engineering matters.

President and Founder

David Hilliard Williams is a wireless and IoT technology expert specializing in product and technology development, implementation, and intellectual property litigation services. With a career spanning telecommunications, geotechnical engineering, and location-based services, he brings a multifaceted perspective to his litigation work. His work centers on investigating GPS and network-based location determination systems, assessing wireless 911 and NG911 technologies, and evaluating IoT data privacy and security. Mr. Williams has been retained in numerous expert witness and consulting engagements across the U.S., involving patent, ITC, and criminal litigation, as well as civil trade secrets and product liability cases. His MBA in Information Systems Management from The University of Texas at Austin, along with his BSEE in Digital System Design from Purdue University, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving wireless communications and IoT systems.

Operations Leader, Technical Engineer, Business Professional

Mark R. Malone, BS is an oil and gas engineering expert specializing in completions, hydraulic fracturing, and stimulation operations. With a career spanning technical engineering, operations leadership, and business management, he brings a strategic growth and capital efficiency framework to his litigation work. His work centers on investigating operational safety practices, assessing engineering project management, and evaluating whether industry standards in drilling and completions were met. Mr. Malone has been retained in numerous expert witness and consulting engagements across the United States, involving complex oil and gas litigation cases. His BS in Agricultural Engineering, along with his extensive industry affiliations, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving oil and gas operations and engineering practices.

P.E., R.L.S.

James D. Wamble, P.E., R.L.S. is a civil engineering and land surveying expert specializing in land use planning and boundary dispute analysis. With a career spanning civil engineering design, land planning, and construction project management, he brings a comprehensive framework to litigation work involving complex land development issues. His work centers on investigating land use compliance, assessing boundary delineations, and evaluating whether engineering standards have been met. Mr. Wamble has been retained in numerous expert witness and consulting engagements across Tennessee, involving residential, commercial, and mixed-use development cases. His Bachelor of Science Degree in Civil Engineering, along with his certifications as a Professional Engineer and Registered Land Surveyor, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving land development and civil engineering practices.

President, Oracle Engineering LLC

Bob Weiman is a software engineering and embedded systems expert specializing in litigation involving medical devices, consumer products, and industrial control systems. With a career spanning microprocessor-based product design, medical software, and intellectual property, he brings a multidisciplinary framework to his litigation work. His work centers on investigating software malfunctions, assessing compliance with industry standards, and evaluating whether engineering practices meet regulatory requirements. Mr. Weiman has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to medical devices, patent infringement, and trade secrets. His BS in Computer Engineering from Boston University, along with his status as a Senior Member of the Institute of Electrical and Electronic Engineers (IEEE), reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation and responsibility in disputes involving software engineering and embedded systems.

Principal Consultant

Scott M. Drouin, Ph.D. is a toxicology expert specializing in cases involving respiratory diseases related to airborne exposure to environmental substances. With a career encompassing toxicology, immunology, and lung physiology, he brings a multidisciplinary approach to litigation work, particularly in assessing the risk of respiratory illnesses from environmental contaminants. His work centers on investigating exposure to drugs and alcohol, assessing the risk of respiratory diseases from environmental substances, and evaluating whether medical documentation aligns with alleged exposures. Dr. Drouin has been retained in numerous expert witness and consulting engagements across the United States, involving cases of workers' compensation, toxic torts, and environmental exposure. His Doctorate in Microbiology from the University of Alabama at Birmingham, along with his extensive laboratory research experience, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving toxicological and environmental exposure issues.

Ph.D.

IOANNIS KANELLAKOPOULOS, PH.D. is a technology and intellectual property expert specializing in communications, networking, and control systems litigation. With a career spanning research, development, and intellectual property strategy, he brings a multidisciplinary framework to his litigation work. His work centers on investigating patent infringement, assessing technology standards compliance, and evaluating whether product designs adhere to industry norms. Mr. Kanellakopoulos has been retained in numerous expert witness and consulting engagements across the United States, involving telecommunications, automotive technology, and intellectual property disputes. His Ph.D. in Electrical Engineering, along with his status as a Fellow of the IEEE, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving advanced technology systems.

Expert Witness

Jay Beam is a forensic engineering and safety expert specializing in litigation support within the oil and gas industry. With a career spanning safety engineering, environmental compliance, and accident reconstruction, he brings a multifaceted perspective to his litigation work. His work centers on investigating industrial accidents, assessing regulatory compliance, and evaluating whether safety standards have been met. Mr. Beam has been retained in numerous expert witness and consulting engagements across the United States, involving oilfield accidents, workplace safety, and regulatory compliance cases. His Master’s Degree in Mechanical Engineering from Iowa State, along with his membership in the National Association of Forensic Engineers, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving industrial safety and compliance.

Forensic Mechanical Engineer

Timothy C. Behrens, P.E., DFE, CFI, CFEI, CVFI is a forensic mechanical engineering expert specializing in failure analysis and forensic investigations. With a career spanning vehicle fire origin, mechanical component failures, and accident reconstruction, he brings a multifaceted engineering perspective to litigation work. His work centers on investigating vehicle fire origins, assessing mechanical system failures, and evaluating accident reconstruction scenarios. Mr. Behrens has been retained in numerous expert witness and consulting engagements nationwide, involving vehicle fires, mechanical failures, and accident reconstructions. His Bachelor of Science Degree in Mechanical Engineering, along with certifications such as Certified Fire Investigator and Certified Vehicle Fire Investigator, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving vehicle and mechanical system failures.

Construction & Engineering Consultant

Brian Hansen is a construction and engineering consultant specializing in residential construction and structural engineering litigation. With a career spanning building contracting, structural design, and hazardous materials remediation, he brings a multifaceted perspective to his litigation work. His work centers on investigating construction defects, assessing structural integrity, and evaluating compliance with building codes. Mr. Hansen has been retained in numerous expert witness and consulting engagements throughout New England, involving residential construction defects and structural engineering disputes. His BA in Psychology, along with a Massachusetts Unlimited Construction Supervisor's License (CS-113267), reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving construction best practices and building code violations.

Software Architect and Engineer

Anthony J. Pelham is a software engineering and computer graphics expert specializing in intellectual property litigation related to video game technologies and computer graphics design. With a career spanning advanced engineering projects for Fortune 500 companies and high-profile cases, he brings a multidisciplinary framework to his litigation work. His work centers on investigating patent infringement, assessing software architecture, and evaluating whether industry standards in computer graphics have been met. Mr. Pelham has been retained in numerous expert witness and consulting engagements across the United States, involving intellectual property cases in video game technology, computer graphics, and avionics. His B.S. in Electrical Engineering from the Massachusetts Institute of Technology, along with his M.S. in Computer Engineering from National Technological University, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of patent validity in disputes involving complex software and hardware systems.

Expert Witness

Barry Taheri is a construction defects expert specializing in forensic investigations and exterior envelope failure analysis. With a career spanning forensics, weatherization, and field testing, he brings a comprehensive understanding of building science and waterproofing systems to his litigation work. His work centers on investigating construction defects, assessing weatherization failures, and evaluating whether industry standards were met in building enclosure systems. Mr. Taheri has been retained in numerous expert witness and consulting engagements across California, involving construction defect cases in residential, commercial, and retail properties. His education from the USC School of Architecture and Engineering, along with certifications such as the DuPont Envelope certification (DWSRC 1082) and California Contractor’s License (B 904491), reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving waterproofing systems and construction engineering.

Forensic Structural Engineer & Chartered Building Surveyor

Eur.Ing., ANDREW BILLINGHAM C.Eng., F.I.Struct.E. (A.E. Wynn Prize) M.C.I.Arb., M.A.E., F.Cons.E., M.R.I.C.S. is a forensic structural engineering expert specializing in construction defect investigation and expert witness testimony. With a career encompassing structural failure analysis, building surveying, and material defect analysis, he brings a comprehensive forensic perspective to litigation work. His work centers on investigating structural failures, assessing construction defects, and evaluating whether duty of care standards were met. Mr. Bellingham has been retained in numerous expert witness and consulting engagements across the UK, involving cases related to structural engineering, building surveying, and construction defects. His education at Willesden College of Technology, along with certifications such as Bond Solon Expert Witness Training, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving structural integrity and construction practices.

Chartered Structural & Civil Engineer, Accredited Expert Witness

Mehrdad Bahari, MCIOB, CEng MICE, MIStructE is a Chartered Structural & Civil Engineer expert specializing in construction defects and flood and coastal defence litigation. With a career encompassing NHS healthcare design, flood defence consultancy, and advanced engineering projects, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating structural failures, assessing compliance with engineering standards, and evaluating whether design deviations contributed to construction defects. Mr. Bahari has been retained in numerous expert witness and consulting engagements across the UK, involving NHS healthcare facilities, flood defence systems, and civil engineering projects. His PhD in Civil Engineering, along with his Chartered Member status in both the Institution of Structural Engineers and the Institution of Civil Engineers, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving structural integrity and engineering compliance.

Expert Engineer in Process and Industrial Engineering

Peter David Lumley, BSc (Hons), C.Eng, M.I Mech.E, Eur Ing is a process and mechanical engineering expert specializing in litigation related to process plant design and construction in the oil and gas, petrochemical, and pharmaceutical industries. With a career encompassing roles as an Owner's Representative and Contractor, he brings a comprehensive understanding of EPC basic and detailed design, procurement, and construction to his litigation work. His work centers on investigating process plant design deviations, assessing construction compliance, and evaluating whether industry standards were met in complex engineering projects. Mr. Lumley has been retained in numerous expert witness and consulting engagements across the UK and internationally, involving high-profile cases in the oil and gas, petrochemical, and pharmaceutical sectors. His Bachelor of Science (Hons) in Mechanical Engineering, along with certifications such as C.Eng Chartered Engineer and Eur Ing European Engineer, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving process plant engineering and construction compliance.

Mark I. Montrose is an electromagnetic compatibility expert specializing in regulatory compliance and systems design. With a career encompassing roles as a consultant, trainer, systems designer, and engineer, he brings a multifaceted perspective to litigation work. His work centers on investigating electromagnetic interference, assessing compliance with regulatory standards, and evaluating whether product designs meet industry requirements. Mr. Montrose has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to information technology, industrial, scientific, and medical equipment. His Bachelor Degree in Electrical Engineering and Computer Science from California Polytechnic State University, along with his Master’s Degree in Engineering Management from Santa Clara University, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of compliance and responsibility in disputes involving electromagnetic compatibility and regulatory adherence.

Principal

John R. Stauder is a fire protection engineering expert specializing in fire protection system design and building code consulting. With a career spanning engineering, construction defects, and fire protection, he brings a comprehensive framework to litigation work involving fire safety and compliance issues. His work centers on investigating fire protection system failures, assessing building code compliance, and evaluating whether fire safety measures meet industry standards. Mr. Stauder has been retained in numerous expert witness and consulting engagements across the United States, involving fire protection systems, building codes, and life safety evaluations. His MEng in Fire Protection Engineering from the University of Maryland, along with P.E. registration in multiple states, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving fire protection and building code compliance.

Senior Consultant

David G. Shreve, P.E. is a mechanical and forensic engineering expert specializing in construction defects and engineering design disputes. With a career spanning forensic consulting, engineering design, design-build, and construction administration, he brings a multifaceted perspective to litigation work. His work centers on investigating design errors and omissions, assessing construction claims, and evaluating whether property damage or personal injury resulted from engineering failures. Mr. Shreve has been retained in numerous expert witness and consulting engagements across the United States, involving commercial, higher education, hotel, and residential properties. His Bachelor of Science in Mechanical Engineering from the University of Michigan, along with CPD Certified in Plumbing Design (ASPE) and LEED Accredited Professional certifications, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving HVAC, plumbing, and fire protection systems.