Find the Right Expert for Every Case

Civil Engineer and Business Administrator - Technical Director

Mr. Borelli has conceived the company’s philosophy and holds the technical responsibility for BRZ-Experts. He graduated in Civil Engineering from Universidade Mackenzie and obtained a postgraduate degree in business administration. Over the past 36 years, he has engaged in the activity of engineering consulting, having acted in complex, large losses that occurred in hydroelectric power plants, bridges, tunnels, highways, geotechnical accidents, fires in buildings, and damage caused by windstorms, flood and inundation, working in the investigation and establishment of the cause and the determination of the losses. He has built a comprehensive experience in technical advice in due diligence, legal and arbitration proceedings.

Specializing in fire protection and life safety engineering, this expert conducts fire-safety risk assessments, fire hazard analyses, and fire protection system designs. With extensive experience in fire and mechanical systems failure analyses and investigations into fire origin and cause, he provides litigation support related to cause of loss and damage assessment. His background includes managing fire protection research projects and developing engineering solutions, alongside teaching fire protection engineering at the university level. He holds multi-state professional engineering licenses.

Julian M. Toneatto, Ph.D., P.E. is a Civil/Structural Engineering expert specializing in forensic engineering and environmental consulting. With a multifaceted career spanning project management, security consulting, and highway construction, he brings a comprehensive framework to litigation work. His work centers on investigating engineering failures, assessing compliance with safety standards, and evaluating whether construction practices meet industry regulations. Mr. Toneatto has been retained in numerous expert witness and consulting engagements across the United States, involving complex engineering, construction, and environmental cases. His Ph.D. in Civil Engineering, along with his P.E. 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 causation in disputes involving engineering and construction practices.

Shane, Principal Forensic Engineer (Director) is a forensic engineering expert specializing in accident reconstruction and road safety litigation. With a career encompassing diverse engineering disciplines, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating accident causation, assessing compliance with safety standards, and evaluating whether engineering failures contributed to incidents. Mr. Shane has been retained in numerous expert witness and consulting engagements across various jurisdictions, involving motor vehicle accidents, workplace safety, and engineering failures. His B.Eng. in Mechanical Engineering, along with an MSc. in MVT and a PhD., 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 safety engineering.

Consulting Engineer

Mr Richard Coleman, C. Eng. F.I.Struct.E. FCABE. is a Structural Design and Building Inspection expert specializing in defect appraisal and foundation engineering. With a career encompassing structural analysis and defect appraisal, he brings a robust engineering perspective to litigation work. His work centers on investigating structural failures, assessing building integrity, and evaluating whether engineering standards have been met. Mr. Coleman has been retained in numerous expert witness and consulting engagements across the UK, involving structural design and building inspection cases. His Chartered Engineer designation, along with his Fellow status in The Institution of Structural 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 responsibility in disputes involving structural integrity and compliance with engineering standards.

Software Expert Witness - SaaS & AI

Patrick Bounaix is a Software Engineering expert specializing in software architecture, SaaS platforms, and AI & ML systems. With a career encompassing software development, technical causation analysis, and system failure investigations, he brings a robust analytical framework to litigation work. His work centers on investigating technical causation, assessing standards of care, and evaluating whether system failures align with industry norms. Mr. Bounaix has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to software architecture, SaaS platforms, and AI & ML systems. His BS in Computer Science from the New York Institute of Technology reinforces 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 software engineering and information technology.

Managing Principal, Structural

William R. O’Donnell, PE, FRSE is a structural engineering expert specializing in concept design and large-scale renovations. With a career spanning collaborations with renowned architects and diverse project types, he brings a multidisciplinary perspective to litigation work. His work centers on investigating structural integrity, assessing design compliance, and evaluating whether construction practices meet industry standards. Mr. O’Donnell has been retained in numerous expert witness and consulting engagements across the United States and the Caribbean, involving hospitality design, large-scale renovations, and mixed-use developments. His BS in Civil Engineering from the University of Miami, along with certification by the Structural Engineering Certification Board, 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 engineering and design compliance.

Forensic Engineer & Construction Expert

David McGuire is the Principal Engineer at Civil Concepts, PC. Civil Concepts is a global Engineering, Building Consulting and Litigation Support firm, with offices in North America. Concepts specialize in Forensic, Structural, Mechanical and Electrical Engineering as well as Construction Cost Estimating and Management, CPM Scheduling, 4D Modeling and Litigation Support. Mr. McGuire has over 25 years of experience in managing construction projects, Civil/Structural Engineering Design, Forensic Engineering and Expert Witness. Mr. McGuire is a registered Professional Engineer in 13 states and is registered with the NCEES. Mr. McGuire has served as an Expert Witness and is trained and registered to serve on Essential Emergency Duties through the Safety Assessment Program administered by the California Emergency Management Association.

Steven P. Viani is a construction dispute resolution expert specializing in building defects analysis and geotechnical engineering. With a career spanning construction safety evaluation, hazardous waste engineering, and geotechnical foundation engineering, he brings a multidisciplinary perspective to litigation work. His work centers on investigating construction defects, assessing geotechnical failures, and evaluating whether construction safety standards have been met. Mr. Viani has been retained in numerous expert witness and consulting engagements across various construction-related disputes, involving building defects, construction contract disputes, and hazardous waste engineering. His degree in engineering, along with his extensive experience in construction safety evaluation and geotechnical engineering, 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 safety evaluations.

Metals Manufacturing Expert - Expert Witness - Technical Advisor

David “Mac” McCracken specializes in engineering with extensive experience in quality assurance and inspection of steel mill products, including castings, forgings, and heavy industrial machinery. His background includes roles as a Steel Pipe Mill Inspector for Exxon’s Trans-Alaska Pipeline and as a Quality Manager in a specialty alloy metals rolling mill, where he oversaw the processing of tool steels and superalloys. He has served as a Subject Matter Expert for Borg Warner Turbo Systems, focusing on turbocharger components for automotive and locomotive applications. McCracken is adept at assessing cause of loss, damage assessment, and repair scope related to metallurgical failures and industrial equipment.

Dan R. Werdowatz, S.E. is a structural engineering expert specializing in construction defects and professional liability claims. With a career spanning wood, masonry, steel, and concrete structures, he brings a nuanced understanding of structural integrity and compliance to litigation work. His work centers on investigating construction defects, assessing code compliance, and evaluating whether professional standards of care were met. Mr. Werdowatz has been retained in numerous expert witness and consulting engagements across the United States, involving construction defects, seismic design, and professional liability claims. His MSSE in Structural Engineering from the University of California, Berkeley, along with his multiple state licenses as a Professional and Structural 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 standard of care in disputes involving structural engineering and construction practices.

Rimkus is a Biomedical Engineering expert specializing in human factors and product safety litigation. With a diverse background in medical devices, toxicology, and sports science, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating product failures, assessing compliance with safety standards, and evaluating whether design defects contributed to injuries. Mr. Rimkus has been retained in numerous expert witness and consulting engagements across various industries, involving cases related to medical devices and product safety. His degree in Biomedical Engineering, along with his expertise in human factors and legal nurse consulting, 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 biomedical and safety issues.

Dr Carl J Abraham is a safety engineering expert specializing in products liability and recreational safety litigation. With a career encompassing industrial hygiene, OSHA compliance, and accident reconstruction, he brings a multifaceted perspective to his litigation work. His work centers on investigating accident causation, assessing compliance with safety standards, and evaluating whether product designs meet regulatory requirements. Dr Abraham has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to industrial accidents, sports and recreation safety, and fire investigations. His Diplomate certification from the American Board of Forensic Examiners in Sports & Recreation Safety reinforces 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 engineering and safety compliance.

Expert Witness

Steven W Opolski, MS is a Medical Devices and Engineering expert specializing in litigation involving medical device failures and engineering assessments. With a career spanning medical device design, finite element analysis, and surgical instrument engineering, he brings a technical and analytical framework to litigation work. His work centers on investigating device failures, assessing engineering design integrity, and evaluating whether industry standards were met. Mr. Opolski has been retained in numerous expert witness and consulting engagements across various jurisdictions, involving cases related to stents, septal occluders, and surgical instruments. His MS in Mechanical Engineering from Rutgers University, along with his BS in Mechanical Engineering from Worcester Polytechnic Institute, 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 medical devices and engineering failures.

Water Resources, Hydrology & Regulatory Compliance

Masih Bari, PhD, PE brings two decades of experience in water resources planning and management, hydrology, and environmental permitting, with a practice focused on defensible technical opinions in regulatory and litigation matters. Dr. Bari’s work centers on hydrologic and hydraulic modeling and analysis, groundwater modeling and evaluation, mixing-zone and dilution analysis, stormwater and watershed planning, and water-quality modeling and compliance. His project portfolio includes groundwater sustainability planning under California’s Sustainable Groundwater Management Act (SGMA), discharge and dewatering permit strategy, and basin-level planning and model development in support of permitting and infrastructure decisions. He has performed hydrologic simulations, watershed-scale evaluations, mixing-zone and dilution studies for municipal agencies and utilities across California and the United States.

Vertical Transportation Equipment Expert

David A Cooper is a Vertical Transportation Equipment Expert specializing in litigation support related to vertical transportation systems. With a career encompassing lift engineering, escalator safety, and facade access systems, he brings a comprehensive understanding of the technical and regulatory aspects critical to litigation work. His work centers on investigating statutory inspections, assessing maintenance audits, and evaluating whether risk assessments meet industry standards. Mr. Cooper has been retained in numerous expert witness and consulting engagements across the UK and internationally, involving cases related to vertical transportation systems, facade access, and funicular systems. His extensive experience in vertical transportation systems, along with his role as Principal of Consulting at LECS (UK) Limited, 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 lift engineering and escalator safety.

Senior Vice President, Technical Services

Peter Townsend, P.E. is a forensic consulting expert specializing in construction dispute resolution. With a career encompassing structural engineering, mechanical and electrical engineering, and fire and explosion science, he brings a multidisciplinary perspective to litigation work. His work centers on investigating construction failures, assessing compliance with engineering standards, and evaluating whether safety protocols were adhered to. Mr. Townsend has been retained in numerous expert witness and consulting engagements across the United States, involving complex construction disputes and transportation-related cases. His degree in engineering, along with his 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 structural and mechanical systems.

Expert Witness

Vladimir K. Markoski, PE is a mechanical engineering expert specializing in HVAC, MEP design, and fire protection litigation. With a career encompassing diverse engineering disciplines, he brings a multifaceted perspective to his litigation work. His work centers on investigating HVAC system failures, assessing compliance with NFPA codes, and evaluating whether engineering standards were met. Mr. Markoski has been retained in numerous expert witness and consulting engagements across various jurisdictions, involving cases related to life safety, UL standards, and plumbing systems. His Bachelor of Science in Mechanical Engineering from the University of Belgrade reinforces 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 engineering and mechanical systems.