Find the Right Expert for Every Case

Ph.D., P.E., P.H., CPESC, CFM, F.ASCE, F. EWRI, D.WRE

David T. Williams, Ph.D., P.E., P.H., CPESC, CFM, F.ASCE, F. EWRI, D.WRE is a water resources engineering expert specializing in sedimentation engineering and floodplain management litigation. With a career spanning civil engineering, hydrology, and hydraulic design, he brings a comprehensive understanding of complex water systems and their legal implications. His work centers on investigating sediment transport dynamics, assessing floodplain management practices, and evaluating whether engineering standards have been met in water resource projects. Mr. Williams has been retained in numerous expert witness and consulting engagements across the United States, involving FEMA floodplain studies, erosion control, and hydraulic engineering disputes. His Ph.D. in Civil Engineering, along with certifications such as Certified Professional in Erosion and Sediment Control (CPESC) and Certified Floodplain Manager (CFM), 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 river hydraulics, sedimentation, and flood risk management.

CISSP®-ISSAP®

John H. Horst, CISSP® -ISSAP® is a cybersecurity expert specializing in secure software architectures and compliance consultation. With a career spanning software development, systems integration, and cybersecurity frameworks, he brings a comprehensive understanding of how emerging technologies intersect with regulatory standards. His work centers on investigating cybersecurity breaches, assessing compliance with major standards like NIST and ISO 27001, and evaluating whether secure coding practices have been adhered to. Mr. Horst has been retained in numerous expert witness and consulting engagements across State and Federal jurisdictions, involving cases related to cybersecurity breaches, data privacy, and compliance with regulatory frameworks. His Master of Divinity (M.Div.) from Bethel University, along with his Certified Information Security Systems Professional (CISSP®) and Information Security Software Architectures (ISSAP®) 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 responsibility in disputes involving cybersecurity compliance and data breaches.

Cybersecurity, Networking, Computer, and IT Expert

Dr. Eric Cole, DPS is a cybersecurity and IT expert specializing in litigation involving data breaches, trade secrets, and intellectual property disputes. With a career spanning cybersecurity strategy, network architecture, and incident response, he brings a strategic and technical framework to his litigation work. His work centers on investigating data breaches, assessing cybersecurity protocols, and evaluating whether industry standards were met. Dr. Cole has been retained in numerous expert witness and consulting engagements across the United States, involving cases of apportionment, infringement, and data security. His Doctorate in Professional Studies from Pace University, along with his Certified Information Systems Security Professional (CISSP) 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 cybersecurity and IT systems.

P.E., CFM, MSCE

Christopher R. Hanstad, P.E., CFM, MSCE is a civil engineering expert specializing in FEMA floodway violations and hydrologic and hydraulic analysis. With a career encompassing floodplain modeling, stormwater analysis, and flood loss avoidance studies, he brings a comprehensive engineering perspective to litigation work. His work centers on investigating FEMA floodway compliance, assessing stormwater management practices, and evaluating flood damage assessment models. Mr. Hanstad has been retained in numerous expert witness and consulting engagements across Illinois, Indiana, Kentucky, and Wisconsin, involving FEMA floodway violations and floodplain modeling cases. His Master of Science in Civil Engineering, along with his Certified Floodplain Manager designation and professional engineering licenses in IL, IN, KY, and WI, 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 hydrologic and hydraulic engineering.

PhD, PE, CPE

Kevin A. Rider, PhD, PE, CPE is a forensic human factors expert specializing in litigation support for cases involving motor vehicle crashes, slips, trips, and falls, and workplace incidents. With a career spanning human factors, ergonomics, and engineering, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating motor vehicle accidents, assessing the adequacy of warnings and product designs, and evaluating whether workplace safety standards were met. Mr. Rider has been retained in numerous expert witness and consulting engagements across the United States, involving motor vehicle accidents, workplace safety, and premises liability. His Ph.D. in Industrial & Operations Engineering (Human Factors), along with certifications as a Certified Professional Ergonomist and 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 human factors and ergonomics.

Certified Hydrogeologist

Eros Bilyeu, PG, CHG, CGWP, QSD/QSP is a Certified Hydrogeologist expert specializing in well design and construction oversight, aquifer characterization, and groundwater-flow modeling. With a career encompassing diverse hydrogeologic projects and collaborations with federal, state, municipal, and defense clients, he brings a comprehensive framework to litigation work involving complex groundwater systems. His work centers on investigating aquifer properties, assessing groundwater contamination, and evaluating compliance with regulatory standards. Mr. Bilyeu has been retained in numerous expert witness and consulting engagements across Southern California and nationally, involving municipal water supply projects, groundwater contamination cases, and regulatory compliance disputes. His BS in Geology from the University of South Alabama, along with certifications such as Professional Geologist, Certified Hydrogeologist, and Certified Groundwater 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 causation and responsibility in disputes involving groundwater management and contamination.

Certified Consulting Meteorologist

Mark D. McGinnis, CCM, CBM is a meteorology expert specializing in weather-related litigation. With a career spanning broadcast meteorology, forensic weather analysis, and weather hazard planning, he brings a multifaceted perspective to litigation work. His work centers on investigating meteorological conditions, assessing weather impacts on safety, and evaluating whether weather events contributed to incidents. Mr. McGinnis has been retained in numerous expert witness and consulting engagements across the Midwest, involving cases related to weather forecasting, broadcasting, and slip and fall incidents. His Bachelor of Science in Atmospheric Sciences, along with certifications as a Certified Consulting Meteorologist and Certified Broadcast Meteorologist, 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 meteorological conditions.

Police and Human Resources Expert Witness

Aaron T. Olson, M.Ed. is a police and human resources expert specializing in police procedures and human resource investigations. With a career encompassing law enforcement leadership, human resources investigations, and academic instruction, he brings a multifaceted perspective to his litigation work. His work centers on investigating police conduct, assessing human resource practices, and evaluating whether organizational policies align with legal standards. Mr. Olson has been retained in numerous expert witness and consulting engagements across the Pacific Northwest, involving police misconduct, wrongful death, and employment discrimination cases. His Master of Education in Adult Education, along with his Oregon private investigator license, 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 police use of force and human resource compliance.

Civil & Geotechnical Engineering Expert Witness

Malay Ghose Hajra, Ph.D., P.E., BC. GE, ENV SP, F.ASCE is a Civil & Geotechnical Engineering expert specializing in subsurface investigation and geotechnical design. With a career encompassing diverse roles in civil engineering, he brings a multifaceted perspective to litigation work. His work centers on investigating soil and foundation distress, assessing erosion and flood control measures, and evaluating construction defects. Mr. Ghose Hajra has been retained in numerous expert witness and consulting engagements across the Gulf Coast, involving complex geotechnical and civil engineering cases. His Ph.D. in Civil (Geotechnical & Geo-Environmental) Engineering, along with certifications such as EnvisionTM Sustainability Professional and Board-Certified Geotechnical 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 soil settlement, flood damage, and construction defects.

Civil Engineering Expert Witness

Jason Bennecke, PE, MBA, PMP is a civil engineering expert specializing in transportation, infrastructure, and construction litigation. With a career spanning civil engineering, transportation design, and construction management, he brings a multifaceted perspective to litigation work. His work centers on investigating roadway design and safety, assessing construction defects, and evaluating whether engineering standards of care have been met. Mr. Bennecke has been retained in numerous expert witness and consulting engagements throughout Southern California, involving transportation engineering, roadway design, and construction defect cases. His MBA in Corporate Management, along with his California Civil PE, PMP, and General Building Contractor 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 standard of care in disputes involving transportation engineering and construction practices.

President and Principal

Christopher L. Matthews is a building envelope systems expert specializing in disputes related to exterior building envelope system installation, performance, and design. With a career spanning over four decades in design, installation, and performance assessment, he brings a comprehensive framework to litigation work involving building envelope systems. His work centers on investigating water infiltration resistance, assessing hurricane readiness, and evaluating whether structural glazing systems meet industry standards. Mr. Matthews has been retained in numerous expert witness and consulting engagements across the United States and the Caribbean, involving construction defects and building inspection cases. His Bachelor of Science with High Honors in Business Administration from the University of Florida, along with certifications such as AWCI Certified EIFS Inspector and Certified Building Commissioning 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 building envelope systems and water infiltration issues.

PhD, JD

Gary L. Deel, PhD, JD, MS, CLSD, CHSP, CHSE, CHE, CHIA, SHRM-CP, CFE, APP is a hospitality and tourism management expert specializing in legal and operational disputes within the hospitality industry. With a diverse background in hotel operations, legal practice, and academic leadership, he brings a multifaceted perspective to his litigation work. His work centers on investigating compliance with industry standards, assessing operational practices, and evaluating whether negligence occurred in hospitality settings. Mr. Deel has been retained in numerous expert witness and consulting engagements across the United States and internationally, involving cases in hotels, resorts, casinos, restaurants, and other hospitality sectors. His Doctorate of Philosophy in Hospitality Administration, along with certifications such as Certified Fraud Examiner and Certified Hotel Industry Analyst, 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 hospitality management and operations.

Materials Science Engineer

Frederick C. Anderson, PE is a materials science engineering expert specializing in materials failure analysis and forensic engineering. With a career spanning nuclear engineering, power plant operations, and forensic investigations, he brings a multidisciplinary approach to his litigation work. His work centers on investigating materials failures, assessing structural integrity, and evaluating whether industry standards have been met. Mr. Anderson has been retained in numerous expert witness and consulting engagements across the United States, involving product liability, industrial accidents, and power plant operations. His Master of Science in Metallurgy from Georgia Institute of Technology, along with his Professional Engineer licenses in Virginia and Connecticut, 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 corrosion, stress analysis, and fitness for service.

Forensic Science Leader

Jennifer Harmon is a forensic toxicology and crime laboratory operations expert specializing in toxicology, drug analysis, and impaired driving investigations. With a career spanning forensic laboratory leadership, legislative advocacy, and expert testimony, she brings a multifaceted perspective to her litigation work. Her work centers on investigating drug-facilitated crimes, assessing drug and alcohol impairment, and evaluating whether laboratory practices meet accreditation standards. Ms. Harmon has been retained in numerous expert witness and consulting engagements across California, involving cases of drug-facilitated crimes, DUI/DUID investigations, and forensic laboratory operations. Her Master of Public Administration, along with certifications such as ISO/IEC 17025 & 17020 Lead Assessor & Technical Assessor, 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 toxicology and forensic science.

Principal Consultant

Drew Neckar, MBA, CPP, CHPA is a security and premises liability expert specializing in risk assessment and vulnerability identification. With a career spanning corporate security leadership and strategic program development, he brings a comprehensive framework for evaluating security protocols and compliance in litigation contexts. His work centers on investigating premises liability, assessing security program effectiveness, and evaluating whether industry standards have been met. Mr. Neckar has been retained in numerous expert witness and consulting engagements across the United States, involving cases in healthcare, hospitality, and educational institutions. His Master of Business Administration in conjunction with certifications such as Certified Protection Professional (CPP) and Certified Healthcare Protection Administrator (CHPA) 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 security program failures and premises liability.

Board Certified Specialist in Swallowing and Swallowing Disorders

Karen M. Sheffler, MS, CCC-SLP, BCS-S is a swallowing and swallowing disorders expert specializing in medical speech-language pathology litigation. With a career encompassing diverse roles in acute care settings and educational initiatives, she brings a multidisciplinary perspective to her litigation work. Her work centers on investigating dysphagia-related incidents, assessing compliance with swallowing safety protocols, and evaluating whether standard of care was met in cases involving swallowing disorders. Ms. Sheffler has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to dysphagia in medical speech-language pathology. Her MS in Communicative Disorders, along with her Board Certified Specialist in Swallowing and Swallowing Disorders and ASHA Certificate of Clinical Competence, reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of standard of care in disputes involving swallowing disorders and related safety issues.

Certified Turnaround Professional

Howard Brod Brownstein, CTP is a Certified Turnaround Professional specializing in corporate governance, restructuring and insolvency, and business valuation. With a career encompassing leadership roles in turnaround management, advisory services, and fiduciary positions, he brings a strategic and operational framework to his litigation work. His work centers on investigating corporate governance practices, assessing restructuring and insolvency strategies, and evaluating business valuations in complex financial disputes. Mr. Brownstein has been retained in numerous expert witness and consulting engagements across the United States, involving high-profile corporate governance and restructuring cases. His Juris Doctor & Masters in Business Administration in Law and Business from Harvard University, along with his Certified Turnaround Professional designation and NACD Directorship 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 corporate governance and financial restructuring.

CPP, CMCA, AMS

Christopher R. Lanni CPP, CMCA, AMS is a security and risk management expert specializing in premise liability and residential security assessments. With a career spanning security consulting, residential risk advising, and security technology implementation, he brings a strategic approach to evaluating security measures and risk mitigation strategies. His work centers on investigating security breaches, assessing risk management protocols, and evaluating whether security technologies meet industry standards. Mr. Lanni has been retained in numerous expert witness and consulting engagements across the United States, involving residential communities, commercial properties, and educational facilities. His Bachelor of Science in Criminal Justice with a Concentration in Private Security, along with certifications as a Certified Protection Professional, Certified Manager of Community Associations, and Association Management Specialist, 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 security management and risk assessment.