Find the Right Expert for Every Case

Director, Civil, Structural, and Project and Programme Management

Robert (Rab) Eadie, BSc, LLM, CEng is a MEP Systems Engineering expert specializing in technical disputes involving mechanical, electrical, and plumbing systems. With a career spanning design, installation, and commissioning across various sectors, he brings a comprehensive technical framework to litigation work. His work centers on investigating design deficiencies, assessing installation and commissioning processes, and evaluating whether industry standards were met. Mr. Eadie has been retained in numerous expert witness and consulting engagements across APAC, the Middle East, and Europe, involving cases in sectors such as technology, healthcare, energy, and aviation. His BSc in Building Services Engineering, along with his LLM in Construction Law and Chartered Engineer designation, 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 complex MEP systems.

Expert Witness

Adam Birchfield, CSP, CHST is an OSHA and construction safety expert specializing in regulatory compliance and safety management in construction environments. With a career spanning fall protection, scaffold safety, and multi-employer worksites, he brings a comprehensive safety framework to litigation work. His work centers on investigating accident causation, assessing compliance with OSHA and ANSI standards, and evaluating whether safety training was effectively implemented. Mr. Birchfield has been retained in numerous expert witness and consulting engagements across various construction-related disputes, involving fall protection, crane accidents, and steel erection. His BS in Occupational Safety & Health, along with certifications as a Certified Safety Professional (CSP) and Construction Health and Safety Technologist (CHST), 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 safety and regulatory compliance.

Harvey C. Voris is a fitness equipment design and product liability expert specializing in patent development and facility risk management. With a career spanning engineering analysis, accident reconstruction, and standards compliance, he brings a comprehensive framework to litigation work involving complex technical evaluations. His work centers on investigating product failures, assessing patent infringement claims, and evaluating whether safety standards have been met. Mr. Voris has been retained in numerous expert witness and consulting engagements across the United States, involving product liability, patent development, and facility risk management cases. His Bachelors of Science in Engineering in Bio Structural Mechanics from UCLA, along with a Masters in Engineering in Fatigue and Failure Analysis from Cal State Long Beach, 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 fitness equipment and related products.

Property, Investment and Construction Industry Specialist

Rita Avdiev, B Arch, FRAIA, FAIB, FAPI, SA Fin, FAICD, CMC is a property, investment, and construction industry specialist expert specializing in remuneration analysis and human resources consulting. With a career encompassing executive recruitment, HR services, and industry standards, she brings a strategic perspective to her litigation work. Her work centers on investigating remuneration practices, assessing executive recruitment processes, and evaluating whether construction industry standards have been met. Ms. Avdiev has been retained in numerous expert witness and consulting engagements across Australia, involving remuneration disputes, executive recruitment challenges, and HR consulting in the construction sector. Her Bachelor of Architecture, along with her certifications as a Fellow of the Royal Australian Institute of Architects, Fellow of the Australian Institute of Building, Fellow of the Australian Property Institute, Senior Associate of the Financial Services Institute of Australasia, Fellow of the Australian Institute of Company Directors, and Certified Management Consultant, reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving remuneration and HR practices.

Forensic Collision Investigator

Ian Martin Clark MCSFS MIMI MSOE MIRTE MARRM is a forensic collision investigation expert specializing in traffic accident reconstruction and tachograph data analysis. With a career spanning forensic collision investigation, traffic accident reconstruction, and tachograph data analysis, he brings a comprehensive forensic framework to litigation work. His work centers on investigating collision dynamics, assessing vehicle and scene evidence, and evaluating whether tachograph data aligns with reported incident circumstances. Mr. Clark has been retained in numerous expert witness and consulting engagements across the UK and Eire, involving cases such as pedestrian and vehicle collisions, industrial accidents, and incidents involving trains. His City & Guilds qualification in Road Accident Investigation for Police Officers, along with certifications in Motor Vehicle Inspection and Tachograph Analysis, 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 forensic collision investigation and tachograph data analysis.

Director, Technical – Head of Building Surveying Services

Roger de Boehmler, BSc, FRICS, FIWFM is a building defect pathology and facilities management expert specializing in construction dispute resolution and technical appraisal. With a career spanning building surveying, facilities management consulting, and asset data management, he brings a strategic perspective to litigation work. His work centers on investigating building defects, assessing construction compliance, and evaluating whether industry standards have been met. Mr. de Boehmler has been retained in numerous expert witness and consulting engagements across the UK, Europe, US, Asia, Australia, and Dubai, involving residential, commercial, and industrial property disputes. His BSc in Building Surveying, along with certifications such as the Excellence in Written Evidence Programme and the Expert Witness Certificate, 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 building fabric and facilities management issues.

Consultant Trauma and Orthopaedic Surgeon

Mr. Nick Gillham, MA, FRCS ED, FRCS ED ORTH is a Trauma and Orthopaedic Surgery expert specializing in upper limb and ankle surgery, and trauma reconstruction. With a career encompassing clinical leadership and specialized surgical training, he brings a comprehensive perspective to litigation involving complex orthopaedic injuries. His work centers on investigating trauma reconstruction, assessing surgical outcomes, and evaluating whether standard of care deviations occurred in orthopaedic procedures. Mr. Gillham has been retained in numerous expert witness and consulting engagements across the UK, involving cases of upper limb and ankle trauma, wrist fractures, and hand and wrist arthroplasty. His MA from Trinity College, Cambridge, along with his FRCS ED and FRCS ED ORTH 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 standard of care in disputes involving orthopaedic surgery and trauma reconstruction.

Chartered Building Surveyor & RICS Registered Valuer

Mr. David Knight, MRICS, MISVA is a Chartered Building Surveyor & RICS Registered Valuer specializing in building surveys and valuation of residential properties. With a career encompassing project management and construction defect analysis, he brings a multidisciplinary perspective to litigation work. His work centers on investigating construction defects, assessing property valuations, and evaluating whether industry standards have been met. Mr. Knight has been retained in numerous expert witness and consulting engagements across the UK, involving residential property valuations and construction defect cases. His MRICS certification from the Royal Institution of Chartered Surveyors, along with his MISVA designation, 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 building surveys and property valuations.

CSP, CHST, SSM

Robert Amrhein, CSP, CHST, SSM is a safety and construction expert specializing in workplace safety inspections and compliance with federal and state regulations. With a career encompassing major construction projects and a deep understanding of OSHA and New York safety standards, he brings a regulatory compliance framework to litigation work. His work centers on investigating job site conditions, assessing hazard identification, and evaluating whether corrective measures meet industry standards. Mr. Amrhein has been retained in numerous expert witness and consulting engagements across New York, involving construction safety, workplace accidents, and regulatory compliance. His Certified Safety Professional designation, along with his Construction Health and Safety Technician and Site Safety Manager licenses, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of safety compliance and responsibility in disputes involving construction site safety and regulatory adherence.

Mechanical Engineer

Eric M. Defend, P.E. is a Mechanical Engineering expert specializing in mechanical failure analysis and root-cause analysis of complex equipment failures. With extensive experience in analyzing heavy construction and mining equipment systems, he brings a detailed understanding of mechanical systems and their failure mechanisms to litigation work. His work centers on investigating root causes of mechanical failures, assessing structural and fatigue failure mechanisms, and evaluating whether design defects contributed to equipment malfunctions. Mr. Defend has been retained in numerous expert witness and consulting engagements across Illinois, involving cases related to heavy construction and mining equipment failures. His Bachelor of Science in Mechanical Engineering from the University of Illinois at Urbana-Champaign, along with his Professional Engineer (P.E.) 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 causation in disputes involving hydraulic systems, structural components, and critical assemblies in off-highway and large mining equipment.

Expert Witness

Maziar Rostamian, PhD is an accident reconstruction and mechanical failure analysis expert specializing in product liability and mechanical system failures. With a career encompassing accident reconstruction, custom simulations, and human interaction analysis, he brings a comprehensive technical framework to litigation work. His work centers on investigating mechanical failures, assessing safety device effectiveness, and evaluating injury causation dynamics. Mr. Rostamian has been retained in numerous expert witness and consulting engagements across the United States, involving product liability, industrial incidents, and transportation accidents. His PhD in Mechanical Engineering, along with his extensive experience in custom simulations and demonstratives, 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 mechanical failures and accident reconstructions.

Principal

William Acorn, P.E., CFLC, FASHRAE is a forensic engineering expert specializing in HVAC systems evaluation and construction defects analysis. With a career spanning cleanroom design, building code compliance, and patent dispute resolution, he brings a multifaceted perspective to litigation work. His work centers on investigating HVAC system failures, assessing construction defects, and evaluating whether building code compliance has been met. Mr. Acorn has been retained in numerous expert witness and consulting engagements across the United States, involving semiconductor facilities, data centers, and healthcare facilities. His Professional Mechanical Engineer licenses in AZ, CA, CO, IL, IA, NV, NH, NM, OR, TX, UT, and WA, along with his Fellow status in ASHRAE, 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 complex engineering systems.

Construction Defects / Flooring Failures Expert

William Latham is a construction defects expert specializing in flooring failures. With a career spanning residential and commercial inspections, interior and exterior defect analyses, and building forensics, he brings a comprehensive framework to litigation work. His work centers on investigating construction defects, assessing flooring failures, and evaluating whether moisture intrusion has compromised structural integrity. Mr. Latham has been retained in numerous expert witness and consulting engagements across Florida, involving residential and commercial property damage assessments and construction defect cases. His Certified Flooring Inspector designation from the Floor Covering Institute of Technical Services, Inc., along with certifications as a State of Florida Certified Building Contractor and Licensed Mold Remediator, 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 defects and flooring failures.

Expert Witness

Robert S. Perkins is a construction defects and insurance expert specializing in litigation involving construction defects and insurance claims. With a career spanning site inspections, building envelope analysis, and quality control, he brings a comprehensive understanding of construction-related issues to his litigation work. His work centers on investigating construction defects, assessing insurance claims, and evaluating whether proper quality control measures were followed. Mr. Perkins has been retained in numerous expert witness and consulting engagements across California, Idaho, Oregon, and Washington, involving construction defects, insurance claims, and property damage assessments. His education from California State University Long Beach, along with his ICC Building Inspector 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 responsibility in disputes involving construction defects and insurance claims.

Chartered Quantity Surveyor, Chartered Building Surveyor

Robert Dale BSc (Hons) CEM DipFM FRICS FCABE IMaPS is a Chartered Quantity Surveyor and Chartered Building Surveyor expert specializing in construction contractual disputes and building defect valuation. With a career spanning project management, contract administration, and defect diagnosis, he brings a comprehensive framework to litigation involving construction costs and workmanship standards. His work centers on investigating construction contract compliance, assessing workmanship quality, and evaluating whether cost disputes align with industry standards. Mr. Dale has been retained in numerous expert witness and consulting engagements across the UK, involving construction contractual disputes, homeowner/builder disputes, and personal injury cases related to housing adaptation costs. His BSc (Hons) in Quantity Surveying, along with certifications such as the RICS Expert Witness Certificate and Diploma in Facilities Management, 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 contracts and workmanship standards.

Architect

Douglas F. Korves, AIA, CalOES is an architectural and construction dispute expert specializing in construction contracts and project design issues. With a career encompassing construction contracts, dispute resolution, and project damage evaluation, he brings a strategic perspective to litigation work. His work centers on investigating construction contract compliance, assessing project design deviations, and evaluating whether project damages align with industry standards. Mr. Korves has been retained in numerous expert witness and consulting engagements across New York and New Jersey, involving construction contracts, real estate pre-development, and zoning analysis. His degree in architecture, along with his CalOES 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 responsibility in disputes involving construction and design issues.

Expert Witness

Victor E. Holloman, MS, PE is an accident reconstruction and biomechanics expert specializing in complex litigation involving vehicle dynamics and crash analysis. With a career encompassing accident reconstruction, biomechanics, and advanced data analysis, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating accident causation, assessing vehicle damage through photogrammetry, and evaluating whether biomechanical forces align with reported injuries. Mr. Holloman has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to vehicle accidents and mechanical failures. His M.S. in engineering from the University of Houston-Clear Lake City, along with his status as a registered professional 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 causation in disputes involving accident reconstruction and biomechanical assessments.

Board Certified Licensed Architect, Expert Witness & Litigation Consultant

Troy Willingham, Board Certified Licensed Architect is an architecture and construction expert specializing in forensic architecture and building code compliance. With a career spanning over five decades in forensic architecture, building code compliance, and construction defect analysis, he brings a comprehensive framework to litigation work. His work centers on investigating construction defects, assessing building code violations, and evaluating whether design disputes meet industry standards. Mr. Willingham has been retained in numerous expert witness and consulting engagements across Florida, involving construction defects, design disputes, and premises liability cases. His Bachelor of Architecture in Architecture from the University of Florida, along with his Architect License — FL, 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 building code compliance and construction defects.