Find the Right Expert
for Every Case

Stephen C. Tarbox, PE

Stephen C. Tarbox, PE is a structural engineering expert specializing in construction management and forensic engineering. With a career spanning engineering, design, and construction consultation for diverse commercial and industrial projects, he brings a multidisciplinary perspective to litigation work. His work centers on investigating structural failures, assessing compliance with engineering standards, and evaluating whether construction practices align with industry norms. Mr. Tarbox has been retained in numerous expert witness and consulting engagements across New Hampshire, Vermont, and Massachusetts, involving commercial and industrial building projects, bridge design, and offshore platform engineering. His MS in Civil Engineering (Structures) from Rensselaer Polytechnic Institute, along with his professional engineering licenses in NH, VT, and MA, 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 construction practices.

Joe Holasek, AIA

Licensed Architect

Joe Holasek, AIA is an architectural design and construction expert specializing in forensic investigations and expert witness testimony. With a career encompassing HVAC and plumbing systems, ADA compliance, and construction defect analysis, he brings a comprehensive framework to litigation work involving construction and architectural standards. His work centers on investigating construction defects, assessing ADA compliance, and evaluating whether architectural standards of care have been met. Mr. Holasek has been retained in over 150 expert witness and consulting engagements across various construction and architectural cases. His Bachelor of Architecture from the University of Arizona, along with his Licensed Architect 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, slip and fall claims, and water intrusion issues.

Chad Ballard, PE, CFM

Surface Water and Flood Expert (Nationwide)

Chad Ballard, PE, CFM is a surface water and flood expert specializing in stormwater and drainage design, advanced numerical flood modeling, and flood warning systems. With a career encompassing hydrology, civil engineering, and floodplain management, he brings a comprehensive engineering perspective to litigation work. His work centers on investigating hydrologic and hydraulic conditions, assessing floodplain management practices, and evaluating whether engineering standards were met in flood-related incidents. Mr. Ballard has been retained in numerous expert witness and consulting engagements nationwide, involving cases related to river hydraulics, levee breaches, and dam failures. His MS of Civil and Environmental Engineering from Brigham Young University, 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 flood forensics and water resource management.

Mr. Wesley J. Oliphant, PE (Texas), DFE, F.SEI, F.ASCE

Co-Founder, Chief Technical Officer

Mr. Wesley J. Oliphant, PE (Texas), DFE, F.SEI, F.ASCE is a forensic engineering expert specializing in structural failure analysis and litigation support for electrical transmission structures. With a career spanning specification, design, fabrication, and remediation of various pole and tower types, he brings a comprehensive understanding of structural integrity and failure causation to his litigation work. His work centers on investigating structural failures, assessing compliance with engineering standards, and evaluating whether design or material deficiencies contributed to incidents. Mr. Oliphant has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to electrical transmission structures, telecommunication equipment supports, and lighting systems. His BSCE from Texas A&M University, along with his MBA from the University of Houston and certifications such as Diplomate of the National Academy 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 pole and tower structural failures.

Bryan Barnhart

Digital Forensics & Incident Response Consultant

Bryan Barnhart, GIAC Computer Forensics Analyst, GIAC Penetration Tester is a Digital Forensics & Incident Response expert specializing in cybersecurity litigation. With a career spanning digital forensics, incident response, and cybersecurity consulting, he brings a comprehensive framework to litigation work involving complex cyber investigations. His work centers on investigating digital breaches, assessing insider threats, and evaluating whether security protocols were breached. Mr. Barnhart has been retained in numerous expert witness and consulting engagements across the United States, involving high-profile data breaches, corporate hacks, and identity theft cases. His Certified Information Systems Security Professional (CISSP) and SANS Advanced Computer Forensics Course (GCFA) 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 digital forensics and cybersecurity breaches.

Paul Sibenik

Blockchain Forensics Investigator

Paul Sibenik is a blockchain forensics expert specializing in cryptocurrency-related litigation. With a career encompassing blockchain forensic analysis, open-source intelligence, and security audits, he brings a multifaceted investigative framework to litigation work. His work centers on investigating cryptocurrency fraud, assessing compliance with anti-money laundering regulations, and evaluating whether security breaches have occurred. Mr. Sibenik has been retained in numerous expert witness and consulting engagements across North America and Europe, involving cases of cryptocurrency theft, fraud, and compliance violations. His BA in Political Science from York University, along with certifications such as Chainalysis Investigation Specialist Certification and Certified Bitcoin Professional, 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 blockchain and cryptocurrency matters.

José Luis Piña

Gear Consultant and Director

Dipl. Ing. José Luis Piña is a Gearing Drives Engineering expert specializing in mechanical transmissions and gear failure analysis. With a career spanning gear and bearing design, engineering analysis processes, and gear microgeometry, he brings a comprehensive framework to litigation work involving technical assessments of mechanical systems. His work centers on investigating gear failures, assessing transmission optimization, and evaluating whether manufacturing specifications meet industry standards. Mr. Piña has been retained in numerous expert witness and consulting engagements across Latin America and Spain, involving industries such as mining, cement, steel, and petrochemical. His Dipl. Mechanical Engineer from Universidad Nacional de Buenos Aires, along with his affiliations with AGMA and the Argentine Tribology Association, 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 gear and transmission systems.

Timothy R. Primrose

Digital Forensic Analyst

Timothy R. Primrose, CASA, CFVT is a digital forensic analyst expert specializing in mobile and smart device forensics. With a career encompassing telecommunications, data file forensics, and digital evidence collection, he brings a comprehensive understanding of digital forensic methodologies to litigation work. His work centers on investigating data extraction and recovery, assessing digital evidence integrity, and evaluating whether forensic protocols were adhered to. Mr. Primrose has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to mobile forensics, telecommunications, and digital evidence analysis. His Bachelor of Science in Digital Forensics, along with certifications such as Cellebrite Cloud Data Examiner and Certified Forensic Analyst of Cellular Networks, 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 digital evidence and forensic data analysis.

Scott G. Nacheman, MSc.Eng., AIA

Scott G. Nacheman, MSc.Eng., AIA is a forensic architecture and engineering expert specializing in emergency response and disaster mitigation. With a career spanning emergency management, structural stabilization, and forensic investigations, he brings a multidisciplinary perspective to complex incident analysis. His work centers on investigating structural failures, assessing disaster impacts, and evaluating whether engineering standards were met. Mr. Nacheman has been retained in numerous expert witness and consulting engagements across the United States, involving high-profile structural failures and disaster response cases. His Master of Architecture and M.S. in Civil Engineering from the University of Illinois at Urbana-Champaign, along with his NCARB Certification and advanced Structures Specialist 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 structural integrity and emergency response.

William C. Tintle

Engineering Consultant

William C. Tintle specializes in engineering forensics, focusing on machine design and engineering analysis related to material handling equipment such as cranes, conveyors, and custom lifting devices. His extensive experience spans industries including nuclear, defense, and transportation, where he has conducted damage assessments and determined causes of loss for complex engineering failures. With a proven track record in designing and overseeing the construction of critical machinery, he is adept at defining repair scopes for equipment failures. Tintle holds multi-state Professional Engineer licenses, underscoring his qualifications in the field.

William Latham

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.

Nathan Macdonald

Mechanical Engineer | Expert Witness

Nathan Macdonald, PE, CSP is a mechanical engineering expert specializing in patent litigation and product liability. With a career encompassing forensic engineering, product design, and expert witness services, he brings a multifaceted perspective to litigation work. His work centers on investigating equipment failures, assessing compliance with industry standards, and evaluating whether design defects contributed to incidents. Mr. Macdonald has been retained in numerous expert witness and consulting engagements nationwide, involving product liability, premises liability, and intellectual property disputes. His Bachelor of Science in Mechanical Engineering from Brigham Young University, along with certifications such as Certified Safety Professional and Certified Tribometrist, 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 systems and safety compliance.

Troy Willingham

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.

Christopher D Dore, PhD, MBA, MCIfA, RPA, CFLC

Expert Witness

Christopher D Dore, PhD, MBA, MCIfA, RPA, CFLC is an archaeology and environmental expert specializing in litigation involving archaeological resource protection and compliance with federal heritage statutes. With a career spanning financial analysis, forensic accounting, and archaeological investigations, he brings a multidisciplinary approach to evaluating compliance and damage assessments in legal contexts. His work centers on investigating archaeological violations, assessing compliance with heritage protection laws, and evaluating whether restoration and repair measures meet statutory requirements. Mr. Dore has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to archaeological resource damage, environmental compliance, and mining operations. His PhD in Anthropology, along with certifications such as Certified Fraud Examiner and Registered Professional Archaeologist, 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 archaeological and environmental compliance.

Timothy J.F. van Oss, PE

Timothy J.F. van Oss, PE is a civil and structural engineering expert specializing in forensic structural engineering and real estate development. With a career encompassing civil and structural engineering, land surveying, and property management, he brings a multidisciplinary perspective to litigation work. His work centers on investigating structural failures, assessing engineering design compliance, and evaluating whether construction practices meet industry standards. Mr. van Oss has been retained in numerous expert witness and consulting engagements throughout New York, involving cases related to structural engineering, real estate development, and property management. His MS in Civil Engineering from the University at Buffalo, along with his Professional Engineer registration in New York, 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 design.

Tatevik Torossian

Director | Forensic Accounting

Tatevik Torossian, CPA, CFF, CFE, MAFF is a forensic accounting expert specializing in the analysis and measurement of economic damages related to complex commercial litigation. With a career encompassing forensic accounting, fraud investigations, and economic damage assessments, she brings a multifaceted perspective to litigation work. Her work centers on investigating financial discrepancies, assessing economic damages, and evaluating whether financial misrepresentations have occurred. Ms. Torossian has been retained in numerous expert witness and consulting engagements across California, involving complex commercial litigation, trust and estate disputes, and business interruption claims. Her Bachelor of Science in Accounting from California State University, Los Angeles, along with certifications as a Certified Public Accountant, Certified in Financial Forensics, Certified Fraud Examiner, and Master Analyst in Financial Forensics, reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving fraud investigations and economic damages.

Key Coleman, CPA, CFA, CPCU

Expert Witness

Key Coleman, CPA, CFA, CPCU is an Economic Damages Expert Witness specializing in complex commercial disputes and insurance-related claims. With a career spanning forensic accounting, business damages analysis, and insurance claims evaluation, he brings a multifaceted perspective to litigation work. His work centers on investigating financial discrepancies, assessing economic damages, and evaluating whether industry standards have been met. Mr. Coleman has been retained in numerous expert witness and consulting engagements across the United States, involving cases such as business damages, insurance disputes, and employment-related claims. His MBA in Finance from Emory University, along with certifications as a CPA, CFA, and CPCU, 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 economic and insurance damages.

Tyler E Morrison, M.D., M.A.S.

Expert Witness

Tyler E Morrison, M.D., M.A.S. is a forensic psychiatry expert specializing in posttraumatic stress disorder (PTSD) and trauma-related litigation. With a career encompassing both adult and pediatric psychiatry, he brings a nuanced understanding of psychiatric evaluations to his litigation work. His work centers on investigating competency, assessing testamentary capacity, and evaluating undue influence in legal disputes. Dr. Morrison has been retained in numerous expert witness and consulting engagements across California, involving cases of malpractice, natural disasters, and will contests. His M.D. from UC San Diego, along with his role as a Medical Board of California–appointed Malpractice Expert Reviewer, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of competency in disputes involving psychiatric evaluations.