Safety Expert Witnesses

Accident Reconstruction & Safety Expert Witness Listings

You will find expert witnesses who may opine regarding safety by clicking on the following links. The experts found on this page may consult regarding safety engineering, safety warnings, and safety analysis. They may provide reports concerning safety codes, safety standards, and safety inspections. These consultants may also provide expert witness testimony regarding safety measures and safety defects, as well as related issues.

You may limit your search for Safety expert witnesses to a specific area by selecting a state from the drop down box.

Expert Witnesses

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Featured Experts
Gary White (GW Retail Consulting & Associates)
Mr. White is an experienced retail executive, serving as Chief Executive Officer and Chief Operations Officer, in several different retail companies. Mr. White has grown in his career from store manager, district manager, regional operations director,... Learn More ›

Leslie A Smart (Smart Fleet Management LLC)
Leslie Smart has 50 (fifty) years of experience in trucks, truck equipment, related equipment, distribution by truck and tractor trailer (conventional and Hazmat), specifications, procurement, vehicle safety, DOT regulations-compliance, operations, risk... Learn More ›

Craig Moskowitz, MBA, MS, PE (CLM Engineering Associates, LLC)
Since 2010, the President and Managing Member of CLM Engineering Associates, LLC, which concentrates its focus on forensic engineering/expert witness work for the insurance industry and legal community. In addition, we offer construction management,... Learn More ›

C.J. Abraham (Technical Director, Scientific Advisory Services, Ltd.)
Dr. Abraham has over forty years of international experience consulting to insurance companies, municipalities, government agencies, and the legal profession. He has consulted in more than 3,500 matters involving human factors, safety, personal injury... Learn More ›

John H Murphy (Resource EHS America, Inc.)
Dr. John Murphy is founder and president of REA, an occupational, environmental and public health consultancy with offices in Boston, Toronto, Ottawa and the Caribbean. He has 35 years career experience involving more than 17,000 projects for 3,500+ organizations.... Learn More ›
Louis D. Vanacore, P.E. PMP, CRMP; Senior Project Engineer (J. B. Shepherd & Company, Inc.)
Location: Florida
Areas of Expertise: Louis Vanacore is a professional engineer with extensive experience in the management of complex engineering projects. Today he serves J. B. Shepherd & Company, Inc. as a mechanical engineering consultant...
Andrew R. Yarmus, P.E., F.NSPE (Yarmus Engineering, P.C.)
Location: New York
Areas of Expertise: Yarmus Engineering, P.C. has been providing Engineering services throughout the tri-state area since 1974. Andrew R. Yarmus, P.E., F.NSPE, President of the firm, has worked in various engineering and...
Tim S Leggett, P. Eng., P. E. (Forensic Dynamics Inc. )
Location: Arizona
Areas of Expertise: Tim Leggett, P. Eng. P. E. founded Forensic Dynamics Inc. in 1988 and remains a senior accident reconstruction engineer, having reconstructed over 5300 accidents and testified in over 425 trials across...
Consolidated Consultants
Location: Multiple Locations
Areas of Expertise: Consolidated Consultants (CCc) continues to deliver high quality expert witness and medical expert witness referrals nationwide since 1995. CCc is the only referral service where you can view the full,...
Accident & Safety Consultants
Location: Multiple Locations
Areas of Expertise: ($180ph review NY, NJ, MD, PA, DE, VA, DC, WV) • Accident Reconstruction: Car, Bus, Truck, Pedestrian, Bicycle, Motorcycle, Rollovers • Biomechanics,Occupant Injury • Safety Standards, Falls • Building...
Robert C. Sugarman, PE, FHFES (RCS Performance Systems, Inc.)
Location: New York
Areas of Expertise: Personal injury analyst. BA, MS, SM, PhD in physics & psychology (including MIT); 45 yrs R&D, teaching, trial testimony, industrial training, 'in the trenches'. Perception, vision, warnings, equipment/product...
Susan Maccoy (Susan Maccoy Enterprises Corp)
Location: Illinois
Areas of Expertise: Susan Maccoy is an actively practicing award-winning hair artist, image consultant, and educator to the beauty salon industry. She is an expert witness and consultant for litigation and other legal matters....
Captain/Colonel (USMC) J. F. Joseph (Joseph Aviation Consulting)
Location: Texas
Areas of Expertise: Joseph Aviation Consulting (JAC), offers over 50 years of worldwide aviation experience. This level of expertise includes nearly 30,000 flight hours in over 85 models of aircraft ranging from General Aviation...
Ronald D Schaible, CIH, CSP, CPE (Robson Forensic Inc.)
Location: Multiple Locations
Areas of Expertise: Ron Schaible, CIH, CSP, P.E. is Certified in the Comprehensive Practice of Industrial Hygiene (CIH), Certified Safety Professional (CSP), a Registered Professional Engineer #36714-Safety (Massachusetts),...
David Gossman (Gossman Forensics)
Location: Iowa and Illinois
Areas of Expertise: Gossman Forensics provides expert technical assistance to counsel in litigation involving fires and explosions, chemical and environmental forensics, hazardous waste, hazardous materials, regulatory compliance,...
Julian M. Toneatto, Ph.D., PE, PP(NJ) (Adler Engineers, Inc.)
Location: Pennsylvania
Areas of Expertise: Highly experienced, articulate Professional Engineer (PE) in several states (IL,PA,DE,NJ,TX,MD,FL) and Prof. Planner (PP) NJ. Engineering expert with 50 years' experience in Engineering and Environmental...
Janine McCartney, Ph.D, MBA, CSP, CHST (HHC Safety Engineering Services, Inc.     and   HHC Safety Consulting Services, Corporation)
Location: Delaware
Areas of Expertise: Dr. McCartney is a Senior Safety Engineer and Expert Witness. Dr. McCartney holds certifications as a: Certified Safety Professional, Registered Professional Industrial Hygienist, and Certified Safety...
Michael Panish (ConstructionWitness.com)
Location: California
Areas of Expertise: Mike Panish is a legal expert witness and consultant specializing in most construction trades (defects & injuries), automatic door systems, doors, door hardware, door sensors, gates, cabinetry, architectural...
Vincent A. Ettari, P.E. (Vincent A. Ettari, P.E., P.C.)
Location: New York
Areas of Expertise: Vincent A. Ettari, P.E., P.C. serves New York City & the counties of Westchester, Dutchess, Putnam, Orange, Rockland, Ulster, Suffolk (Long Island), Nassau, Bronx (N.Y.), Queens, Brooklyn / Kings County,...
Timothy Kobernat, CSP MS (OSHAware, LLC)
Location: Wisconsin
Areas of Expertise: A former OSHA Area Director and District Supervisor, I am now a consultant with OSHAware, LLC. OSHAware is a firm providing assistance to counsel regarding OSHA regulations, worksite safety/hazard analysis,...
Homer R. Peterson, II (Peterson Construction Consulting, Inc.)
Location: Texas
Areas of Expertise: Homer R. Peterson II, P.E., CSP, CFLC provides consulting services to attorneys, insurance carriers, construction companies, and companies engaged in general industry. Services are offered as a subject...
ForensisGroup, Inc. (The Expert of Experts)
Location: Multiple Locations
Areas of Expertise: For over 30 years, ForensisGroup has provided the nation’s top law firms, businesses, insurance companies, government entities with highly qualified expert witnesses and consultants. Experts referred by...
Shawn Johnson (VDA Inc.)
Location: Florida
Areas of Expertise: Shawn has over 41 years of Elevator industry experience, which includes working with some of the largest companies in the industry, in multiple business sectors Construction, Modernization, Service and...
Allan D. Snyder (AFC Forensic Consulting - PEST MANAGEMENT)
Location: California
Areas of Expertise: BED BUGS, COCKROACHES & TERMITE EXPERT WITNESS Active: CA Branch 2 Structural Pest Control License FR28957 (Household Pests & Insects) • Bed Bugs, Cockroaches • Entomology, Insect Pathology • Rats,...
Alan D Black (adbForensics)
Location: California
Areas of Expertise: Alan Black PE, CSP, CFI-A has over 40 years of professional experience in concept development, engineering, safety analysis, inspection and testing of amusement park show, ride and stunt equipment, military...
Mark Withrow CFLC, CHPP, CFC, CMI (Golden Gate Security Consulting)
Location: California
Areas of Expertise: Mr. Withrow specializes in Security and Police Practices & Procedures with a focus on Premises Liability, Hotel and Restaurant Safety, Crime Foreseeability, Negligence & Liability, Use of Force, Over...
Michael S. Gossman, M.S., DABR, FAAPM, FACR (Regulation Directive Medical Physics)
Location: Kentucky
Areas of Expertise: I am the Chief Medical Physicist in Radiation Oncology at a facility in New Albany, Indiana. I am responsible for all scientific and technical aspects of imaging, treatment and radiation safety and am...
Gerald M. Dworkin (Lifesaving Resources, LLC)
Location: Maine
Areas of Expertise: Gerald Dworkin is a professional Aquatics Safety & Water Rescue Consultant for Lifesaving Resources, LLC, a company dedicated to drowning and aquatic injury prevention and emergency management. Dworkin...
J. Terrence Grisim, CSP, CDS, CPSM, ARM (Safety Management Consultants, Inc.)
Location: Florida
Areas of Expertise: Premises Safety and Liability · Retail Store Safety · Retail Display Safety · Falling Merchandise/Top Stock Accidents · Slips/Trips and Falls · Negligent Maintenance ·...
Jeremy Swenson (Swenson Consulting)
Location: Colorado
Areas of Expertise: Swenson Consulting offers Snow Removal Expert Witness Services to legal professionals needing assistance with snow and ice removal slip and fall cases. He is an expert in black ice, sleet, freezing rain,...
Bill Uhl (FEA, LLC)
Location: Idaho and Washington
Areas of Expertise: *Available Nationwide* Website: www.ATVexpertwitness.com Additional Website: www.OHVtraining.org Uhl has been qualified in state and federal courts across the nation as an Expert Witness in cases...
Tim A Martin (Martin Consulting, LLC)
Location: West Virginia
Areas of Expertise: Tim A. Martin has 48 years experience and is one of the leading mine safety experts in the US and has an in-depth knowledge of mine safety and regulatory issues related to personal injury, mine explosions...
David F Ortiz (OLYMPIQUE Facade Access Consulting)
Location: California
Areas of Expertise: David Ortiz is a seasoned professional with over 35 years of experience in the facade access industry, holding a specialized Cal/OSHA Scaffold Inspection and Testing license. He is also the vice chair...
Greg Gerganoff, CSP, Esq. (Rocky Mountain Safety Consulting, Inc.)
Location: Colorado
Areas of Expertise: Mr. Gerganoff, CSP, Esq. Safety Expert Witness has 18 + years of experience handling safety (OSHA & MSHA) field audits and safety compliance in mining, oil and gas, manufacturing and construction. U.S.A....
Alex J. Balian, MBA (Balian & Associates)
Location: California
Areas of Expertise: Evaluation in the retail environment regarding slip/trip and falls, security, customer safety, employee training, food service, and product merchandising. Over 50 years experience in the retail industry...
Richard M. Balgowan (RM Balgowan Forensic & Engineering Services, LLC)
Location: New Jersey
Areas of Expertise: Rich Balgowan is a licensed Professional Engineer, a licensed Professional Planner, Certified Public Manager, Certified Public Works Manager and a Public Works Leadership Fellow. He is also a certified...
Ernest P. Chiodo, M.D., J.D., M.P.H., M.S., MBA, CIH (Ernest Chiodo P.C.)
Location: Multiple Locations
Areas of Expertise: Ernest P. Chiodo, M.D., J.D., M.P.H., M.S., M.B.A., C.I.H. is a physician, an attorney, a Certified Industrial Hygienist (C.I.H), toxicologist, and a biomedical (biomechanical) engineer. Dr. Chiodo received...
J. Terrence Grisim, CSP, CDS, CPSM, ARM (Safety Management Consultants, Inc.)
Location: Illinois
Areas of Expertise: Premises Safety and Liability · Retail Store Safety · Retail Display Safety · Falling Merchandise/Top Stock Accidents · Slips/Trips and Falls · Negligent Maintenance ·...
D.R. Foster, PhD P.E. (Expert Welding Engineering and Inspection)
Location: New Jersey
Areas of Expertise: Dr. D.R. Foster is the Principal Engineer at Expert Welding Engineering and Inspection, where he focuses on welding engineering consulting and the training of engineers and technicians. Dr. Foster is...
Gerard Cadet, MS (Traffic and Transportation Engineering) (Traffic Engineer (Dade County), Advanced Work Zone Certified, Traffic Expert & Work Zone Safety )
Location: Florida
Areas of Expertise: I have more than 24 years of engineering experience in transportation and traffic engineering with emphasis in traffic operations and work zone safety. I have a Master Degree in Civil Engineering with...
Gary E Kilpatrick, PE, DFE (The Kilpatrick Group, PA)
Location: Multiple Locations
Areas of Expertise: Who is The Kilpatrick Group, PA? Our mission is to provide to you with forensic mechanical design engineering services that are dedicated to the application of the art, science and methodology of forensic...
Michael J. Ryan (First Aid Depot)
Location: New York
Areas of Expertise: Mr. Ryan's areas of expertise include citizen responders who provide First Aid, CPR and Automated External Defribrillation (AED) treatment; employer responsibility in the work place as it relates to emergency...
Scott Burton, Certified Playground Safety Inspector (Safety Play, Inc.)
Location: Multiple Locations
Areas of Expertise: Nationwide. Unused retainers are refunded (above case min.)! Mr. Burton is an ex-manufacturer experienced in testimony, manufacturing, design, planning, installation, safety inspections and safety audits,...
Dr. / Professor J. Rasty, Ph.D., PE, CFEI, CFII, President & CEO (Real World Forensic Engineering)
Location: Texas
Areas of Expertise: Since 1988, Real-World Forensic Engineering, LLC (“RWFE”) has provided engineering services to industries and government labs, as well as litigation support to both plaintiff and defense attorneys practicing...
Gregory H. Pestine, P.E. (Robson Forensic, Inc.)
Location: Multiple Locations
Areas of Expertise: Gregory H. Pestine, PE Construction, Construction Safety, Quality Control / Assurance, and Civil Engineering Expert Greg has nearly 30 years of experience in various roles in many types of construction...
R. Kevin Smith, P.E., D.F.E. (R. K. Smith Engineering Inc.)
Location: Illinois and Indiana
Areas of Expertise: R. Kevin Smith, P.E., D.F.E. is President of R. K. Smith Engineering Inc. since 1997, a mechanical engineering safety and design consulting firm. Kevin has consulted on over a thousand matters nationwide...
Ryan Forensics, PLLC
Location: Arkansas
Areas of Expertise: Ryan Forensics division of Ryan Engineering, Inc. is a full-service firm that provides quality, value-adding, professional services at competitive rates. We are a team of professional engineers licensed...
Martyn C Thake (Motorsports Consulting Services, LLC)
Location: Arizona
Areas of Expertise: I offer expertise in the areas of: Racetrack and track design, construction, operation, and management - Race car design, manufacture, and distribution - On-track & off-track safety (design & implementation)...
Robert T. Lynch, PE (DJS Associates, Inc.)
Location: Pennsylvania
Areas of Expertise: Robert T. Lynch, PE, earned Bachelor of Arts degrees in both Physics and Mathematics from Franklin & Marshall College before attending the University of Virginia where he obtained a Master of Science degree...
Vincent P. Richardson
Location: Pennsylvania
Areas of Expertise: Vincent Richardson is an experienced expert witness with over 35 years in the coal industry and 14 years as an underground mine manager. His expertise includes operational and engineering challenges in...
J.P. Purswell, Ph.D., P.E., CPE (CSU-Pueblo)
Location: Colorado
Areas of Expertise: Dr. Purswell has been qualified as an expert in Human Factors, Ergonomics, and Industrial Safety (including OSHA issues) and Product Safety. He has testified in numerous cases with respect to the adequacy...
Ronald K. Tyson (Tyson Enterprises, Inc.)
Location: Michigan
Areas of Expertise: BUILDING & PREMISES EXPERT, Review and research to render opinions on correct building codes and life-safety standards concerning construction, ADA & OSHA issues. Opinions on causation & foreseeability,...
Rob Klein, MS, CIH (Coastal Safety, LLC)
Location: Connecticut
Areas of Expertise: Rob Klein, MS, CIH, is the principal of Coastal Safety, LLC, an environmental health and safety consultancy. He is a seasoned EHS professional and Certified Industrial Hygienist with more than 35 years...
H. Landis Floyd (Electrical Safety Group Inc.)
Location: Maryland
Areas of Expertise: I am an expert, author, speaker, and educator in occupational electrical safety. I received my BSEE from VA Tech in 1973. My 45+ year career with DuPont focused on electrical safety in the construction,...
Tim A Pine (TAP International, LLC)
Location: Florida
Areas of Expertise: Areas of specialization: toy safety consulting; toy safety expert witness; product liability prevention; toy safety design, development, engineering, and manufacturing; product safety consulting; product...
Jamie McAllister, P.E., C.F.I., C.S.P. (FireTox, LLC) (FireTox, LLC)
Location: Maryland
Areas of Expertise: Dr. McAllister is the Founder and Technical Director of FireTox, LLC. Dr. McAllister is a certified fire investigator (CFI), licensed fire protection engineer (FPE), a forensic toxicologist, and a certified...
James D. Madden. P.E. (Board Certified Diplomate Forensic Engineer, Sr. Forensic Engineer at  Madden Accident Analysis, Investigation, Reconstruction)
Location: Multiple Locations
Areas of Expertise: During over 35 years of Forensic Engineering work Senior Forensic Engineer James D. Madden, P.E. has: - completed over 1100 cases - prepared and issued over 700 written reports - prepared and issued...
Matthew J Hartley (Matt Hartley Lighting, LLC.)
Location: Colorado
Areas of Expertise: We have immersed ourselves in different facets of the industry including indoor and outdoor lighting, safety and security, human factors in lighting, and lighting standards. We have authored over six...
Martin M Balaban, PhD, PE (AR TECH Forensic Experts, Inc)
Location: California
Areas of Expertise: PhD Mechanical Engineering from UC Berkeley, MS Mechanics from Illinois Institute of Technology, BS Civil Engineering from Cooper Union. Licensed Professional Engineer (Safety) State of California. Accident...
Alan D Stokes (A.D. Stokes, LLC)
Location: North Carolina
Areas of Expertise: Serving insurance companies and law firms since 1999, A. D. Stokes, LLC, (ADS) is a forensic consulting firm that specializes in accident investigation and accident reconstruction, as well as diagrams,...
Mark R. Webster, P.E., MSME, DFE, MBA (Conveyors & Material Handling Expert)
Location: Wisconsin
Areas of Expertise: Licensed Professional Engineer with more than 30 years of experience with conveyors, material handling systems, and a wide range of industrial machinery and control systems. conveyor systems, elevators,...
Matt LeVesque (Bishop Construction Services, Inc.)
Location: California
Areas of Expertise: Active California General Engineering and General Building contractor, with extensive experience as an industry expert investigating Contractors State License Board violations. Serves as a forensic construction...
Paul Eason (e4 Consulting, Inc.)
Location: Florida
Areas of Expertise: Dr. Eason combines experience from academia, industry, and consulting to address a variety of engineering and forensic subjects. His broad based materials engineering education allows him to examine product...
Dennis W. Eckstine (Eckstine & Associates, Inc.)
Location: Pennsylvania
Areas of Expertise: Dennis Eckstine has over 30 years experience in engineering, quality, and product safety including company representative at trial for equipment manufacturers. He has expertise and extensive experience...
MORRIS S. FARKAS, P.E. (Consulting Office of Morris S. Farkas)
Location: California
Areas of Expertise: MORRIS FARKAS, Professional Safety Engineer, has 39 years of experience in construction, demolition, industrial and electrical safety, with the following credentials: Bachelor of Science Degree in Civil...
David Caggiano, P.E., P.Eng, CFEI (David Caggiano Engineering LLC)
Location: Pennsylvania
Areas of Expertise: Dave is available nationwide and in Canada. Dave is a licensed mechanical engineer and certified fire and explosion investigator with extensive experience in the design, testing, service and maintenance...
Carl Berkowitz (Carl Berkowitz)
Location: New York
Areas of Expertise: Carl Berkowitz, Ph.D., PE, AICP is a transportation and traffic engineering expert and serves as a litigation consultant. He is frequently consulted at the initial stages of a potential litigation for...
Christine E. Carrigan, P.E., PhD (RoadSafe, LLC)
Location: Maine
Areas of Expertise: Dr. Carrigan is a licensed professional Civil Engineer (serving clients nationally) providing highway, roadside, and traffic safety expert consulting services with particular focus in these areas: run-off-road...
H. John Miller, PhD, PE (Miller Biomechanical Forensics, LLC)
Location: Florida
Areas of Expertise: A biomedical, mechanical, and manufacturing engineer, Dr. Miller has focused his work in the areas of injury causation, occupant safety, crashworthiness, product design, manufacturing processes and new...
Chip Darius, OHST, CIT, CUSP (Safety Priority Consultants, LLC)
Location: Connecticut
Areas of Expertise: Over 360 catastrophic injury and fatality cases, federal and state court, plaintiff and defense. Connecticut attorneys and law firms have voted Safety Priority one of "The Best" 9 times in annual surveys....
Dr. Eric N Brown, CIH, CSP (Indoor Environments)
Location: California
Areas of Expertise: I am an industrial hygienist with over twenty years of experience in health and safety, industrial hygiene, and indoor air quality exposure assessments. I am a Certified Industrial Hygienist (CIH) and...
David L Mitchell, Ph.D. (GEO Associates)
Location: Texas
Areas of Expertise: GEO Associates provides litigation support services and expert witness testimony for civil and criminal investigations and insurance industry cases (both plaintiff and defendant) that involve Groundwater...
Stephen T Hopper (Inviscid Consulting)
Location: Georgia
Areas of Expertise: Stephen (Steve) T. Hopper, PE, is Founder and Principal of Inviscid Consulting. Over more than three decades, Steve has helped hundreds of clients plan and streamline their warehousing, fulfillment, distribution,...
Captain David G. Bacon
Location: California
Areas of Expertise: Captain David G. Bacon, a U.S. Coast Guard licensed vessel captain available as an expert witness on cases involving; boating accidents, slip & falls, personal injuries, collisions and allisions, issues...
C. Martin Nowland, PE, CEM (Nowland Services, PLLC)
Location: New Hampshire
Areas of Expertise: Mr. Nowland has 35 years of diverse experience in electrical engineering, process control systems, and safety. Roles included client interface, estimates, design, consulting, specification, devices and...
George M. Zeitler, MSc (Zeitler Marine Services LLC)
Location: Florida
Areas of Expertise: Mr. Zeitler has over 30 years of experience in the marine industry. His experiences include 18 years as a US Coast Guard qualified marine inspector and casualty investigator and 7 years as a Classification...
Jon J. Pina, MS, CSP (Evergreen Environmental Health and Safety, Inc.)
Location: Pennsylvania
Areas of Expertise: Mr. Pina has forty plus years of experience in safety, health, Personal protective equipment, PPE, and environmental management/loss prevention for construction, demolition, coal, chemical, steel, environmental...
Jesse L. Wobrock, Ph.D. (Accident Reconstruction & Biomechanics)
Location: California
Areas of Expertise: ARBIO has offices in Truckee, CA (CalNeva) and Orange, CA (Main Office). Qualified in both Accident Reconstruction & Forensic Biomechanical Engineering, ARBIO (Accident Reconstruction & Biomechanics)...
Dale R Wheeler (Systech Fire Protection LLC)
Location: Illinois
Areas of Expertise: Mr. Wheeler is a registered and degreed fire protection and safety engineer with over 45 year' experience. Mr. Wheeler is a graduate of the Illinois Institute of Technology and is registered in over 25...
Safety FAQs

What is a safety expert witness?

A safety expert witness is someone who can provide testimony about safety warnings, safety analysis, safety codes and standards, safety inspections, and safety measures. This person may be called to testify in a court case involving a personal injury or wrongful death.

What is the role of a safety expert witness?

The role of a safety expert witness is to offer specialized knowledge and testimony in legal proceedings related to safety procedures, standards, and regulations.

How much can a person make as a safety expert witness?

Safety expert witnesses can earn somewhere in the range of $200-$450 an hour, or more in some circumstances. The exact amount is determined between the retaining attorney and the expert.

What are the qualifications of a safety expert witness?

An expert witness in safety should have knowledge of safety standards and regulations across various industries, as well as methods for preventing and mitigating workplace hazards.

In legal proceedings, how is evidence gathered by a safety expert witness?

A safety expert witness gathers evidence through various methods such as site inspections, interviews, document reviews, and testing. The evidence is then presented in court to support their professional opinion.

What type of legal proceeding might require the testimony of a safety expert witness?

A legal proceeding that involves personal injury, product liability, or workplace safety may require the testimony of a safety expert witness to provide their professional opinion and analysis.