Find the Right Expert for Every Case

Independent Expert Witness and Vehicle Litigation Consultant

Steven S. Paul is a vehicle litigation consultant specializing in automotive and heavy-duty vehicle disputes. With a career spanning vehicle inspections, mechanical failure analysis, and courtroom testimony, he brings a comprehensive technical and diagnostic framework to his litigation work. His work centers on investigating vehicle condition, assessing contract compliance, and evaluating repair quality. Mr. Paul has been retained in numerous expert witness and consulting engagements across multiple jurisdictions, involving lemon law, warranty disputes, and dealer fraud cases. His Associates Degree in Marketing, along with ASE Master Certified – Automotive & HD Truck, 15-Hour USPAP Certified, ASCAA Certified Vehicle Appraiser, and NRVIA Level II Certified RV Inspector, 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 vehicle valuation and mechanical failures.

P.E., S.E., S.I.

Richard S. Barrow, P.E., S.E., S.I. is a structural and forensic engineering expert specializing in forensic engineering, structural repairs, and claim investigations. With a career spanning structural design, forensic investigations, and special inspections, he brings a comprehensive framework to litigation work involving structural failures and design deficiencies. His work centers on investigating structural failures, assessing design errors, and evaluating whether construction practices meet industry standards. Mr. Barrow has been retained in numerous expert witness and consulting engagements across the southeastern United States, involving structural failures, design deficiencies, and faulty construction cases. His Master of Science in Civil Engineering from the University of Texas at Austin, along with certifications such as Board Certified in Forensic Engineering and Urban Search & Rescue Structures 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 causation in disputes involving structural engineering and building codes.

Senior Consultant and Principal

Shauna Serafini, RWC, FMPC is a building envelope and waterproofing systems expert specializing in the design, installation, and performance assessment of exterior glazing, walls, and waterproofing systems. With a career spanning forensic analysis, construction management, and quality assurance inspections, she brings a comprehensive framework to litigation work involving building enclosures. Her work centers on investigating water leak issues, assessing wind damage, and evaluating whether construction defects have occurred. Mrs. Serafini has been retained in numerous expert witness and consulting engagements throughout Florida, involving construction defects and building inspection cases. Her Bachelor of Science in Civil Engineering, along with certifications such as Registered Waterproofing Consultant (RWC) and Fenestration Master (FMPC), 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 building envelope systems.

Human Resource Management, Expert Witness Consultation

Maureen Clark, SHRM-SCP, SPHR-CA is a Human Resource Management expert specializing in employment and management litigation. With a career spanning infrastructure development, problem-solving, and neutral fact-finding, she brings a comprehensive framework to her litigation work. Her work centers on investigating workplace practices, assessing compliance with HR standards, and evaluating whether employment policies have been properly implemented. Ms. Clark has been retained in numerous expert witness and consulting engagements across the United States, involving high tech, manufacturing, services, not-for-profit, education, and public sectors. Her M. Ed. in Counseling from San Jose State University, along with certifications such as SHRM-SCP and SPHR-CA, 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 employment practices, wrongful termination, and workplace discrimination.

Professional Land Surveyor, Forensic Animator

E. Steyn Visagie, Professional Land Surveyor, Forensic Animator, FAA Certified Drone Pilot is a forensic animation and scene reconstruction expert specializing in surveying, mapping, and spatial analysis for litigation. With a career spanning forensic animation, scene mapping, and spatial data visualization, he brings a comprehensive framework to analyzing complex accident and incident reconstructions. His work centers on investigating scene dynamics, assessing spatial data accuracy, and evaluating whether visual demonstratives align with factual evidence. Mr. Visagie has been retained in numerous expert witness and consulting engagements across California and Virginia, involving accident reconstructions, public sector surveying, and transportation incidents. His BSc. in Surveying from the University of Cape Town, along with his Professional Land Surveyor licenses in California and Virginia, 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 scene reconstruction and forensic animation.

Certified Fire and Explosion Investigator (CFEI)

Chris Larson, CFEI is a high-voltage electric utility expert specializing in accident investigation and safety compliance. With a career spanning roles from Journeyman Lineman to Director of Safety and Training, he brings a comprehensive understanding of field operations and legal complexities to his litigation work. His work centers on investigating electrical incidents, assessing OSHA compliance, and evaluating whether safety protocols were followed. Mr. Larson has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to electrical utility safety, construction incidents, and fire investigations. His Journeyman Lineman Certification in Electrical, along with his Certified Fire and Explosion Investigator (CFEI) 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 high-voltage electrical systems and safety compliance.

Certified Strength & Conditioning Specialist | Registered Holistic Nutritionist | Fitness & Biomechanics Expert

Nathane L. Jackson, BA, CSCS, RHN is a Fitness & Biomechanics Expert specializing in fitness facility liability, exercise biomechanics, and injury prevention standards. With a career spanning strength and conditioning coaching, holistic nutrition, and fitness facility management, he brings a multifaceted perspective to litigation work. His work centers on investigating fitness injury causation, assessing trainer negligence, and evaluating whether safety compliance standards were met. Mr. Jackson has been retained in numerous expert witness and consulting engagements across Canada and the United States, involving personal injury cases related to fitness instruction and facility operations. His Bachelor of Arts in Sociology, along with certifications such as Certified Strength & Conditioning Specialist and Registered Holistic Nutritionist, 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 exercise biomechanics and trainer conduct.

Traffic Collision Reconstructionist

Daniel McLain, ACTAR, FAA sUAV Pilot is a traffic collision reconstruction expert specializing in accident causation and analysis. With a career spanning law enforcement, accident investigation, and drone technology, he brings a multifaceted perspective to litigation work. His work centers on investigating collision dynamics, assessing crash data retrieval, and evaluating whether traffic enforcement standards were met. Mr. McLain has been retained in numerous expert witness and consulting engagements across Southern California, involving vehicular manslaughter, insurance fraud, and multi-fatal collisions. His BS in Criminal Justice, along with certifications from the Accreditation Commission for Traffic Accident Reconstruction and the FAA, 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 traffic accidents and enforcement.

MSME, PE

Karl R. Leinsing, MSME, PE is a medical device engineering expert specializing in full life cycle medical device product development and consulting. With a career encompassing mechanical engineering, regulatory compliance, and innovative design, he brings a comprehensive framework to litigation work involving complex product development and patent disputes. His work centers on investigating patent infringement, assessing product liability, and evaluating whether industry standards were met in medical device development. Mr. Leinsing has been retained in numerous expert witness and consulting engagements across the United States, Canada, EPO, USPTO, ITC, and Australia, involving patent and liability cases in the medical device industry. His M.S. in Mechanical Engineering from North Carolina A&T State University, along with his Professional Engineer license in NH, 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 device design and functionality.

ACTAR, EIT

Christopher J. Kennedy, ACTAR, EIT is an accident reconstruction expert specializing in human factors and traffic accident analysis. With a career spanning law enforcement, engineering, and forensic analysis, he brings a multidisciplinary perspective to litigation work. His work centers on investigating collision dynamics, assessing human factors in accident scenarios, and evaluating whether roadway design standards were met. Mr. Kennedy has been retained in numerous expert witness and consulting engagements across the Northeastern United States, involving criminal and civil cases related to traffic accidents and roadway design. His B.S. in Industrial Engineering, along with certifications such as ACTAR Accreditation and Engineer in Training (EIT), 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 human factors.

Aviation Accident Investigator

Keith M. Cianfrani, Ed.D, (abd), MAS, CISM is an aviation accident investigation expert specializing in accident investigations and FAA enforcement proceedings. With a career spanning military aviation safety, commercial piloting, and safety consulting, he brings a multifaceted perspective to litigation work. His work centers on investigating aviation accidents, assessing risk management practices, and evaluating whether safety management systems were properly implemented. Mr. Cianfrani has been retained in numerous expert witness and consulting engagements across the United States, involving aviation accident investigations and safety audits for Part 135 and Part 91 operators, among others. His MAS in Aviation Safety from Embry Riddle Aeronautical University, along with his Certified Flight Instructor (CFI) 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 aviation safety and human factors.

Consultant / Expert Witness

Scott A. DeFoe is a police procedures and use of force expert specializing in litigation involving law enforcement tactics and internal investigations. With a career encompassing diverse roles in law enforcement, security management, and consulting, he brings a multifaceted perspective to his litigation work. His work centers on investigating police conduct, assessing use of force incidents, and evaluating whether law enforcement actions align with established protocols. Mr. DeFoe has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to police procedures, security management, and premise liability. His Master of Legal Studies from Pepperdine Law School, along with certifications such as California Peace Officer Standards and Training (P.O.S.T.) and Certified California Criminal Defense 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 standard of care in disputes involving law enforcement and security practices.

Construction, Engineering, Forensic Expert

John E. Poole III, P.E. is a construction and engineering expert specializing in forensic engineering and construction management litigation. With a career spanning civil engineering, project management, and cost estimation, he brings a multifaceted perspective to litigation work. His work centers on investigating construction defects, assessing project delays, and evaluating whether industry standards were met. Mr. Poole has been retained in numerous expert witness and consulting engagements across Pennsylvania, New York, and New Jersey, involving commercial, residential, government, and institutional projects. His M.S. in Civil Engineering/Construction Management from the University of Colorado, Boulder, along with his Professional Engineer licenses in Pennsylvania, New York, Maryland, and Florida, 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 management and forensic engineering.

Digital Evidence Expert Witness

Jeff Martin, CFCE, CCO, CCPA, Magnet Certified Forensic Examiner, X-Ways and Advanced X-Ways Certificate of Training, Hawk Analytics’ Cellular Technology, Mapping & Analysis Training is a Digital Forensics Expert specializing in digital evidence acquisition, preservation, and analysis. With a career encompassing roles in law enforcement, private investigation, and academia, he brings a multifaceted perspective to litigation work. His work centers on investigating digital evidence integrity, assessing data retrieval processes, and evaluating whether cybersecurity protocols were breached. Mr. Martin has been retained in numerous expert witness and consulting engagements across the United States and the Cayman Islands, involving cases related to digital forensics, cybersecurity breaches, and telecommunications analysis. His MS in Cyber Security & Information Assurance, along with certifications such as Certified Forensic Computer Examiner and Cellebrite Certified Physical 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 causation in disputes involving digital forensics and cybersecurity issues.

Mechanical Engineer

John D. Zeirke, P.E. is a mechanical engineering expert specializing in accident reconstruction and vehicle fire analysis. With a career spanning mechanical inspections, product liability, and forensic investigations, he brings a comprehensive technical framework to litigation work. His work centers on investigating mechanical failures, assessing product liability claims, and evaluating whether industry standards were met in vehicle accident scenarios. Mr. Zeirke has been retained in numerous expert witness and consulting engagements across the Midwest, involving vehicle accident reconstruction, fire investigations, and mechanical failure analysis. His Bachelor of Science in Mechanical Engineering from Marquette University, along with certifications such as NAFI CFEI & CVFI and ACTAR, 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 vehicle accidents.

P.E., P.S.

Matthew C. Neff, P.E., P.S. is a civil engineering and land surveying expert specializing in land development and drainage litigation. With extensive experience in civil/site engineering, design, and review of infrastructure projects, he brings a comprehensive understanding of regulatory compliance and technical standards to his litigation work. His work centers on investigating site planning and design, assessing stormwater management systems, and evaluating whether industry standards were met in land development projects. Mr. Neff has been retained in numerous expert witness and consulting engagements across Ohio and Florida, involving cases related to commercial, industrial, and residential development projects. His Bachelor of Science in Civil Engineering from the University of Notre Dame and Master of Business Administration from Cleveland State University, along with his Professional Engineer and Professional Surveyor 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 responsibility in disputes involving civil engineering and land surveying matters.

Security Consultant

Elizabeth Dumbaugh, MS, CPP is a security and premises liability expert specializing in risk management and security management. With a career encompassing military leadership and consulting roles, she brings a strategic and operational perspective to her litigation work. Her work centers on investigating crime foreseeability, assessing reasonable care, and evaluating whether security measures meet industry standards. Ms. Dumbaugh has been retained in numerous expert witness and consulting engagements across the United States, involving commercial properties such as hotels, retail spaces, and entertainment venues. Her M.S. in Criminal Justice from Florida State University, along with her Certified Protection Professional and Crime Prevention Professional certifications, 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 inadequate or negligent security.

Crisis Leader / Exec Management / Security-Safety / Expert Witness

James McMahon, CISSP, CPP, NACD Leadership Fellow is a security and risk management expert specializing in intellectual property protection and regulatory compliance. With a career spanning law enforcement, information security, and international business, he brings a multifaceted perspective to litigation work. His work centers on investigating compliance breaches, assessing security protocols, and evaluating whether industry standards have been met. Mr. McMahon has been retained in numerous expert witness and consulting engagements across the United States, involving cases in the technology, healthcare, and law enforcement sectors. His Juris Doctor in Law, along with certifications such as Certified Protection Professional (CPP) and Certified Information Systems Security Professional (CISSP), 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 information security and risk management.