Accident Investigation and Reconstruction Expert Witnesses: 87

Swenson Consulting offers Snow Removal Expert Witness Services to legal professionals needing assistance with snow and ice removal slip and fall cases. As recognized snow experts, they are proficient in addressing issues related to black ice, sleet, freezing rain, slick conditions, freezing fog, and re-freezing. Swenson Consulting is very familiar with the snow and ice removal industry standard operations and practices across the country, and will help determine how this relates to the snow removal agreement or operations in a slip and fall incident or snow related accident.

Principal, Jeremy Swenson, CSP, has satisfied requirements by SIMA (largest nationally recognized snow and ice trade organization-Snow and Ice Management Association) to become a Certified Snow Professional. There are less than 300 CSP’s in the USA. Mr. Swenson owned and operated Snowmen, one of the largest snow and ice management companies in North America. He has been Security Clearanced and trained for onsite snow operations at the IRS Regional Headquarters, FBI Headquarters, Department Of Treasury Buildings, and many types of Airport, Railroad, Organ Transplant Centers, and Medical facilities. After overseeing thousands of commercial accounts over the years, he has worked through most every issue that is relevant to a snow removal operation in the industry.

Litigation Support - Mr. Swenson works with attorneys on defense and plaintiff sides with regards to snow removal, ice treatment, and snow removal best practices issues. He works nationwide and will travel. Swenson Consulting also offers detailed Weather Analysis services and reports for situations surrounding a slip and fall event or accident and will offer detailed weather expert witness consultation regarding the weather surrounding the slip and fall accident.

View Jeremy Swenson's Consultant Profile.

Thomas W. Caldwell, PE, has over 40 years of experience in Materials Research and Development, Process and Product Development, and Manufacturing Operations in the Precision Cast and Machined Products industry.

Mr. Caldwell has designed and manufactured components for consumer and industrial products, including safety-critical applications such as aircraft landing gear brakes, seat belt lockup devices, windshield wiper, and window lift motor systems. He has experience creating and guiding technology development and manufacturing partnerships in Europe and Asia, licensing and selling intellectual property and creating supply chains in China.

Mr. Caldwell has lectured in the USA, Germany, Switzerland, and India on manufacturing premium quality metal products and manufacturing processes, and was a technical paper peer reviewer for 20 years for the Society of Automotive Engineers. A United States patent holder, he has published peer reviewed research in electrochemistry and materials processing, and has written and spoken numerous times on the subject of Materials Selection.

Litigation Support - Thomas W. Caldwell, PE, is a testifying and consulting expert for both plaintiff and defense counsel. His cases involve product failure for ferrous and non-ferrous alloy products such as hand tools, recreational and exercise equipment, fire fighting apparatus, rotating industrial machinery, construction hardware, piping, and lighting fixtures. Mr. Caldwell utilizes destructive and non-destructive methods for insuring product integrity.

Areas of Expertise:

Design Engineering Materials Failure Analysis Materials Engineering Mechanical Engineering Metallurgy Power Tools Products Liability Design Defects

Manufacturing Defects Fitness for Use Equipment Operation and Maintenance Accident Reconstruction Material Selection Manufacturing Process Design and Scale Up Safety Component Product Quality Control Safety Component Quality Systems Management

View Thomas A. Caldwell's Consulting Profile.

Douglas Baumgarten, M.S., offers consulting and expert witness services related to Fitness, Health Clubs, Exercise Equipment, Personal Training and Sports. Mr. Baumgarten is a graduate of Harvard University and California University of Penna. (M.S. Exercise Science). He is a certified Health/Fitness Director (Amer. Coll. of Sports Medicine), Performance Enhancement Specialist, Medical Exercise Specialist, Bike Fitter, cycling coach, and baseball/softball official.  He is a former Adjunct Professor of Health and Fitness Management at Marymount University.

Mr. Baumgarten has over 40 years in the fitness industry, as personal trainer, manager, consultant, equipment dealer, President of a large fitness company, and owner of SportFit Consulting. He has contributed to Fitness Management magazine, Boardroom magazine, Club Management magazine, and other publications.  

Litigation Support -  Mr. Baumgarten has over 18 years of experience as a legal expert, on cases from equipment accidents to health club employee conduct. He works with both plaintiffs and defendants, and has testified in federal, state, civil and criminal courts.  Douglas Baumgarten has the experience and expertise to assist in cases involving:

Health Club Accidents Exercise Equipment Personal Fitness Training Gym Design

Baseball Accidents Softball Accidents Cycling Accidents Triathlons

View Douglas Baumgarten's Consulting Profile.

Dr. Shakir Shatnawi, PhD, PE, is a nationally and internationally recognized expert in the Transportation Engineering industry. Shakir has a Ph.D. in Transportation Engineering. He has over 30 years of practical and extensive engineering and transportation expertise covering industry and public agencies including FHWA and the California Department of Transportation (Caltrans). 

Shakir is currently the president of Shatec Engineering Consultants. He taught highway engineering, traffic engineering and transportation engineering and pavement design at California State University. Dr. Shatnawi served as a principal investigator on multi-million dollar transportation projects. He held various positions at Caltrans including a Senior Transportation Engineer, a Supervising Transportation Engineer and a Division Chief.

 Dr. Shatnawi's education and experience demonstrates a wealth of engineering knowledge encompassing highway design, traffic engineering, pavement design, geotechnical engineering, materials and construction . As a recipient of many acknowledgements from the government, Dr. Shatnawi has an impeccable reputation within the industry for his significant professional contributions. As an expert orator, he frequently shares his knowledge at major conferences around the world. Dr. Shatnawi provides expert witness services in the following areas:

Traffic Engineering Highway Design Standards Highway Specifications / Guidelines Public Agency Policies / Practices Pavement Design / Materials Construction defects Highway Geometric Design Drainage Asphalt Concrete Highway Repairs / Maintenance

Construction Quality Control / Quality Assurance Construction Claims Surface Conditions - Friction, Skid Resistance Road Defects Traffic Safety Highway Safety Traffic Control Devices / MUTCD Sight Distance Requirements Roadside Hazards ADA Requirements Code Violations

View Dr. Shatnawi's Consulting Profile.

Denny Coughlin is a nationally recognized School Bus Expert. For over 25 years, upon request from the State Department of Education, Mr. Coughlin has successfully instructed over 14,000 Firefighters, Law Enforcement, and EMTs on the characteristics and Safety of School Buses. He has overseen the destruction of almost 200 school buses in drills and demonstrations. Mr. Coughlin entered the school bus industry almost 40 years ago. He has toured every major school bus manufacturing plant in the country, and some in Canada. He stays current with the industry and understands the construction and design of the school bus from all the manufacturers. Mr. Coughlin has worked with Minnesota legislation concerning school buses for many years, served on two governor’s task forces, 1994 and 2006. He has served five National Congress on School Transportation conferences, as a delegate from Minnesota, served on the Body Committee, the Chassis Committee, and Chaired the Chassis Committee. He also Vice-Chaired the Special Education Committee and the Safety and Security Committee. Litigation Support - Mr. Coughlin provides expert witness services in cases involving school bus incidences. His services are available to counsel for both Plaintiff and Defense. His areas of specialization include:

School Bus Construction and Design Accident Impact Features and Designs Accident Severity Evaluation Passenger Impact Designs

Lap Belt / Lap Shoulder Belt Design and Usage Types of School Buses Maintenance Standards for School Buses Evaluation of School Bus Maintenance Programs, Practices and Procedures

View Denny Coughlin's Consulting Profile.

Michael P. Lawler, MS, CSP, ASP, CHST, is a Construction Safety Expert with over 30 years of experience. He offers a unique combination of formal education and "project based" technical experience working on some of the largest construction projects in the United States. 

Litigation Support - Mr. Lawler's experience includes over 50 OSHA inspections and associated negotiation and defense preparation related to OSHA citations.   His background allows him to opine on OSHA Standards and Contract Responsibility with a demeanor of care and confidence. 

Mr. Lawler is an expert at applying OSH Act of 1970 standards, CFR 1926 & 1910 regulations, policies, construction industry practices, contract responsibility, incident investigation, and accident reconstruction. Mr. Lawler analyzes how post incident details and investigations should be completed and who is responsible per the OSHA Standard and construction industry practices. He is experienced in personal injury, catastrophic injury, and fatality cases. 

Areas of Expertise:

Construction Personal Injury OSHA Construction Standards Catastrophic Injury / Fatalities Multi-Employer Worksites Failure to Train General Contractor Responsibility Sub Contractor Coordination of Safety Responsibilities Contract Application on Construction Sites Mobile Elevating Work Platforms (MEWP)

Manual on Uniform Traffic Control Devices (MUTCD) Fall Protection Scaffolds / Cranes Steel Erection Silica / Lead Confined Spaces Scissor Lift / Aerial Lift Equipment Accidents Amputation / Crush

Michael C. Wright, PE, CSP, CPE is a Professional Engineer with over 35 years of academic, practical, and specialized knowledge of Engineering, Construction, Safety, Maintenance, Demolition and Training in general industry and construction activities. Mr. Wright's expertise is a definite plus in providing clients with leading edge information and insight. A licensed and practicing engineer, he rounds out his knowledge as a Certified Safety Professional (CSP) and Certified Plant Engineer to provide an insightful and accurate understanding of the issues involved in a case. 

Mr. Wright has completed over 600 hours of specialized safety training, serves on ANSI and ASTM Standards committees and provides a thorough knowledge of OSHA Regulations, Directives and Letters of Interpretation. A recognized author, presenter, and trainer, Mr. Wright communicates the issues clearly for all to understand. His expert witness experience is a balanced blend of defense, plaintiff and OSHA Solicitor cases. He is licensed in 46 states. 

Areas of Expertise:

Safety Programs Construction Product Liability Fall Protection Programs Suspended Loads Contractors Formwork Leading Edge Work Activities Machine Guarding Safety Concrete, Wood, Steel Ladder Safety

Aerial & Scissor Lifts Anchorage Points - Fall Arrest Programs Bleachers Scaffolding Multi-Employer Concrete Formwork Construction & Demolition Roofing Crane Design & Inspection Training Safety Programs (Customized Manuals)

View Mr. Wright's Curriculum Vitae

Greg Gerganoff, CSP, Esq., possesses extensive experience in safety compliance and practice involving OSHA and MSHA.  He obtained is law degree from Western Michigan University, Cooley Law School and practiced general civil law for approximately 12 years in Colorado prior to entering the safety profession. Mr. Gerganoff earned a Certified Safety Professional certification and has 18 years of field safety experience in mining, oil and gas, construction, manufacturing, power plant outages, and light rail construction.

His professional safety experience includes OSHA / MSHA Safety field work and compliance with experience in the heavy construction, manufacturing, light rail construction, power plant outages, public schools, oil and gas, mining, pipeline, and trenching and excavation industries.

• Authorized Outreach Trainer for OSHA General Industry.
• PEC Safeland Basic and Core instructor (Oil and gas).
• MSHA Approved Instructor (Blue Card) for Surface, Metal/nonmetal.
• Member of the American Society of Safety Professionals.

Litigation Support: Mr. Gerganoff assists with discovery questions regarding safety matters. Safety opinions based upon statutory, administrative, judicial rulings and related industry association safety policies ancillary to OSHA and MSHA.  Mr. Gerganoff is retained by attorneys for both Plaintiff and Defendant. Some of the subject matter litigation he has handled include:

Forklift Safety and Operation Lock Out Tag Out/Natural Gas Compressor Stations Oil and Gas Safety Manufacturing Safety Construction Safety Compressed Gas Cylinder Safety

Crane and Aerial Lift Safety Mining Safety Traffic Control Plans / MUTCD Working at Heights, Employee Safety Training Fall Protection, Ladders, Stairways

View Greg Gerganoff's Consulting Profile.

Consultants. Experts. Innovators.™

Operating from more than 110+ offices around the globe, we provide services to corporations, insurance companies, law firms, and government agencies.

Rimkus Life Sciences experts have a wealth of specialized expertise to help clients comprehend and improve how humans interact with their facilities, products, and systems.

Our experts offer significant professional experience related to studying and understanding human behavior and experience. Our experts have extensive knowledge involving but not limited to human health and medical devices, warnings and signage, perception and reaction, medicine and patient care, and health and sports activity.

The scientists, engineers, and researchers in Rimkus Life Sciences specialize in human based research to support product design and development, product validation, and development of instructions and warnings for use. Our experts work with clients across the globe in every major product sector. They understand how to leverage rigorous research and thoughtful analysis with creative problem solving to support the development of products.

Rimkus Global Services Overview

LIFE SCIENCE EXPERTISE

Biomedical Engineering

Human Factors

•   Product Safety •   Warnings and Safety Information •   Transportation Human Factors •   Occupational Safety •   Chemical Hazard Communication •   Railroad Grade Crossing and Trespassing Accidents

Medical Devices and Medical Error Accidents Involving Children Maritime Safety and Recreational Sports Premises Liability Industrial Ergonomics and Time and Motion Studies

Legal Nurse Consulting

Medical-Legal Nurse Review Medical Record Organization and Indexing

Testifying Expert Locator Services

Product Safety

Technical Consultations Product Safety Consultations Applied Research and Testing Usability Chemical Hazard Communication

Training Historical Research and Analysis Range of Projects Publications and Research

Sports Science Consulting

Product Validation Testing Applied Research and Data Collection Product Safety and Usability Research Program Management

Scientific Consultation Policy Development Regulatory Guidance Technical Communications Education Programs

Toxicology Food Safety

Toxicology Drug and Alcohol Impairment Consumer Product Toxicity

Food Safety Environmental and Workplace Toxicology Pharmaceuticals Toxicology

View our full suite of Life Sciences Expert Services.

GLOBAL OFFICES

Rimkus operates from 110+ offices worldwide, with headquarters in the following cities.

Australia Grosvenor Place, Level 31 225 George Street Sydney NSW 2000 Phone: +61 2 9290 1495 Email: APEnquiries@rimkus.com

Malaysia Menara Citibank Suite 20.04 Level 20, 165 Jalan Ampang 50450 Kuala Lumpur Phone: +60 3 9212 1204 Email: APEnquiries@rimkus.com

New Zealand Level 2, 1 Broadway Newmarket Auckland 1023 Phone: +64 9 5201929 Email: APEnquiries@rimkus.com

Singapore  138 Market Street Level 5, CapitaGreen 048946 Phone: +65 6016 6057 Email: APEnquiries@rimkus.com

United Kingdom 5th Floor 40 Lime Street London EC3M 7AW Phone: +44 12 5767 6107 Email: EurEnquiries@rimkus.com

United States 12140 Wickchester Ln Ste 300 Houston Texas Phone: +1 800 580 3228 Email: Expert@rimkus.com

View a full list of Rimkus Office Locations.

View Rimkus Quantum and Delay Expert Services Profile.
View Rimkus Forensic Expert Services Profile.

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 in many areas.

RWFE Areas of Expertise Include:

Components & Machinery Metallurgy & Corrosion Dynamics of Impact & Collisions Friction Analysis / Slips, Trips and Falls Intellectual Property & Patent Review Accident Reconstruction / Animation Computer Aided Design Education & Training

Electrocution & Switch Malfunction Grounding & Lightning Protection Lightning Impulse Testing Products and Premises Liability & Safety High-Voltage & Current Power Systems Bridge Design and Safety Fire & Explosion Cause and Origin And Much More...

At RWFE, we proudly distinguish ourselves by our Four C's:

CREDENTIALS. COMPETENCE. CREDIBILITY. COMMUNICATION.

Credentials:	B.S., M.S., M.Eng., M.B.A., J.D., and Ph.D. Degrees Licensed Professional Engineers in Mechanical, Electrical, and Civil Engineering Tenured University Professors and Professionals NAFI Certified Fire and Explosion Investigators (CFEI) Licensed Master Electricians
Competence:	Over 80 Combined Years of Experience in Engineering R&D, Industry, Academia, Consulting, and Expert Witness Litigation Support Over 120 Combined Deposition and Court Testimonies
Credibility:	Internationally Recognized in Our Areas of Expertise More Than $19 Million in Peer-reviewed and Funded Research Grants Over 200 Combined Scientific Publications and Journal Articles
Communication:	Over 20 Different Undergraduate and Graduate-level University Courses Over 30 Invited Short Courses, Talks, and Lectures

Design Evaluation – Accident Investigation – Intellectual Property - Failure Analysis – Fire Cause & Origin – Component Testing - Computer Aided Drafting – Accident Animation - Expert Witness & Litigation Support

www.ExpertEngineering.com

R. Kevin Smith PE, BSME, MMAE, has been a specialist in Engineering Forensic Safety and Design for 35 years. He has consulted on over a 1,000 matters nationwide. Mr. Smith is a registered professional engineer and holds a BSME and MMAE from the Illinois Institute of Technology in Chicago. He is board certified forensic engineer through the National Academy of Forensic Engineers. He specializes in Material Handling Equipment Safety, including lift trucks, dock safety, truck loading, conveyors, and aerial work platform safety. 

Mr. has been actively involved as a member of the committee that writes the Safety Standard for Low Lift and High Lift Trucks (ASME/ANSI B56.1) for over 30 years. He also serves on the B56.6 committee (rough terrain lift trucks) and the ANSI A92.5 and A92.6 subcommittees (self-propelled elevating work platforms).

 Litigation Support - Mr. Smith formerly worked for Triodyne, Inc. for over 15 years as a forensic engineer/principal engineer. As President of R. K. Smith Engineering Inc., for over 25 years, he currently has a laboratory for examination and testing,and owns or has access to varied testing equipment and tools.He has testified at depositions and trials on several hundred matters. Mr. Smith has performed hundreds of investigations into product failures involving injury and property damage, and has reconstructed numerous accidents. His expertise is available to counsel representing both Plaintiff and Defendant. Mr. Smith also was previously on the Adjunct Math faculty at Prairie State College for 13 years. 

Areas of Expertise:

Forklift Trucks Aerial Work Platform Lifts Product Testing Material Handling / Lifting / Rigging Equipment Accident Reconstruction Machine Guarding Safeguarding Warnings

Agricultural and Construction Equipment Skid Steer Loaders Stability Testing Loading Dock Safety Consumer Products / Testing OSHA Citations Codes & Standards Standard of Care in Design

View R. Kevin Smith's Consulting Profile.

Quality Forensic Engineering, LLC is a full-service forensic engineering firm, providing engineering support to clients in the areas of accident reconstruction, biomechanics, fire investigations, patent litigation analysis, premises liability, product liability, and tire failure analysis. We use the latest technology and industry proven techniques to provide thorough analysis and conclusions for the most difficult engineering questions. Our forensic engineers support clients throughout the U.S. Headquartered in Tallahassee, FL, we have locations in Jacksonville, FL; Melbourne, FL; Tampa, FL; Indianapolis, IN; New Orleans, LA; San Diego, CA; Charlotte, NC; Columbia, SC; and Tucson, AZ.

Traci K. Campbell, P.E., CFSE, CXLT, has over 23 years of experience investigating, analyzing, and testifying in matters involving a variety of forensic engineering issues. She is an expert in the following: industrial accident reconstruction and human factors; slip, trip, stumble and fall analysis; application of standards, codes, and guidelines including OSHA, ANSI, ASTM, Life Safety, ADA, NFSI, and Building Codes; workplace safety related issues; forklift and material handling devices; construction machinery and workplaces; manufacturing equipment; and the analysis of workplace systems and product failures. Ms. Campbell has a strong background working in manufacturing and industrial workplaces including the design, development, and implementation of solutions to ensure safe work environments. She has also been credited as part of a team holding a patent related to safeguarding power hand tools with rotating discs. 

Ms. Campbell's special interests include amusement park and theme park accidents and safety related issues. She is also a CFSE – Certified Forensic Slip Expert, CXLT – Certified XL Tribometrist (slip index evaluation) and a certified counter balance forklift operator. Ms. Campbell has served as a presenter with the American Society of Safety Professionals (ASSP) regarding slip, trip, stumble, and fall incidents. She has shared her engineering expertise with many organizations on topics including: slip, trip, stumble, and fall incidents; electronic data in the realm of accident reconstruction; safety engineering and the engineering hierarchy; photogrammetry and other accident reconstruction techniques; OSHA compliance; and Industrial Engineering. 

Ms. Campbell is a registered and licensed Professional Engineer in five states and she continues to refine her skills and knowledge of premises liability and safety engineering by staying current with new technology and best practices.

See Full Bio & CV.

Expertise:

Industrial Accidents Slips, Trips, Stumbles & Falls Human Factors and Environment Interaction Pedestrian Kinematics Workplace Safety Retail and Restaurant Facility Safety OSHA & ADA Regulations Multi- Employer Workplaces ANSI, ASTM, NFSI & Building Codes Elevators/Escalators Industrial Equipment

Forklifts and Material Handling Devices Parking Lot Safety  Safety Engineering Guarding and Warnings Theme Parks & Recreation Facility Safety Fire and Explosion Safety Product Failure Analysis Pedestrian Accidents Automobile Collisions Tractor-Trailer Collisions Bicycle Accidents

Brian A. Darr, P.E. IAAI-FIT(V), CFEI, has over 25 years of engineering experience which includes Tire Failure analysis on many types of tires (passenger, light truck, radial medium truck, retreads, motorcycle, etc.), Vehicle and Residential Fire Origin and Cause investigations, vehicle accident reconstruction for passenger and commercial vehicles, motorcycles, vehicle component failure analysis, and insurance fraud/consistency evaluations. He also conducts crash data retrieval (CDR) downloads for passenger vehicles and engine control module (ECM) downloads for commercial vehicles. Mr. Darr evaluates traffic signal timing relating to intersection collisions. He provides services in product and material failure analysis, cause analysis of plumbing failures, mechanical equipment and machinery failures, lightning strike investigations, nondestructive examinations and testing, product design and assessment of conformance to government, corporate, industry, safety, and international standards.

Mr. Darr has over 25 years of extensive experience with tires including design, development, manufacturing, quality investigation, race tire preparation, and testing of tires at numerous testing facilities. He worked in a tire manufacturing facility as a plant technical engineer where he investigated quality related issues, and in a Research & Development (R & D) center where he designed, developed, tested, and analyzed tires. Mr. Darr has visited numerous tire production plants such as Goodyear, Bridgestone, Michelin, and Continental tire. He has inherent knowledge of the PAX run-flat tire system and C3M manufacturing process. He also was responsible for verifying standards and regulations were met, related to tire product and tire pressure monitoring sensors.

Mr. Darr has been qualified as a tire expert in State and Federal court. He has completed forensic tire failure analysis on many types of tires in which he referenced hundreds of publicly available tire related documents. He reviews forensic tire reports from outlying offices along with providing marketing support and giving seminars nationwide. He has conducted numerous vehicle and residential fire origin and cause investigations with various findings including fires that were intentionally set, accidental, and electrical in nature. He has also conducted fire suppression system investigations. 

Mr. Darr holds multiple fire certifications and designations with the International Association of Arson Investigators and the National Association of Fire Investigators. 

See Full Bio & CV.

Expertise:

Tire Failure Analysis Tire Tread Design and Imprint Analysis Vehicle Fire Investigation Residential Fire Investigation Fire Suppression System Investigation Vehicle Accidents Motorcycle Accidents

Vehicle Component Failure Analysis Insurance Fraud / Consistency Evaluations Crash Data Retrieval (CDR) Tractor Trailer Electronic Control Module (ECM) Analysis Product Failure Analysis Lightning Strike Investigation Product Design and  Assessment

View Quality Forensic Engineering's Accident Reconstruction Biomechanics Engineering Expert Witness Profile.

Quality Forensic Engineering, LLC is a full-service forensic engineering firm, providing engineering support to clients in the areas of accident reconstruction, biomechanics, fire investigations, patent litigation analysis, premises liability, product liability, and tire failure analysis. We use the latest technology and industry proven techniques to provide thorough analysis and conclusions for the most difficult engineering questions. Our forensic engineers support clients throughout the U.S. Headquartered in Tallahassee, FL, we have locations in Jacksonville, FL; Melbourne, FL; Tampa, FL; Indianapolis, IN; New Orleans, LA; San Diego, CA; Charlotte, NC; Columbia, SC; and Tucson, AZ.

Dr. Brian Pfeifer, PhD, PE - Dr. Pfeifer is an Engineering Expert with over 27 years of experience investigating thousands of cases involving a variety of forensic engineering issues. He is a leading expert in accident reconstruction, roadside safety, maintenance of traffic, commercial vehicle accidents, pedestrian accidents, bicycle accidents, and the analysis of mechanical systems and product failures. Dr. Pfeifer has a strong background in the design, development, and implementation of roadside safety hardware including guardrails, bridge rails, and crash cushions. Over 30 patents have been filed worldwide on behalf of Dr. Pfeifer and associated colleagues who invented safer guardrail systems, vehicle storage systems, shipping container handling systems, and material handling and storage methods. He has also utilized his technical knowledge and understanding of patents to assist in a number of matters involving patent litigation.

Dr. Pfeifer has published numerous papers to various organizations, covering topics such as new guardrail systems, energy absorbing guardrail terminals, breakaway sign mechanisms, and material handling technology. He has shared his expertise with many organizations on topics including vehicle collisions, bicycle accidents, roadway construction zones, and accident reconstruction expert witness utilization. Dr. Pfeifer is a registered Professional Engineer in nine states and he continues to refine his skills and knowledge of accident reconstruction and roadside safety by staying current with new technology and best practices. Dr. Pfeifer has extensive experience with providing deposition and trial testimony as an Engineering Expert. See Full Bio & CV.

Expertise:

Automobile Collisions Tractor-Trailer Collisions Guardrails / Bridge Rails Construction Zones Bicycle Accidents Pedestrian Accidents Motorcycle Accidents Occupant Kinematics

Roadside Safety Airbag Control Module (ACM) Analysis Tractor Trailer Electronic Control Module (ECM) Analysis Product Failure Analysis Maintenance of Traffic (MOT) Evaluation Restraint System Analysis Patent Litigation Technical Analysis

Dr. Ian M. Zeller, PhD, ACTAR, is an accomplished engineer with more than 10 years of experience in Biomechanics and Computational Dynamics fields. He has investigated hundreds of cases ranging from motor vehicle accidents, recreational incidents, medical device designs, as well as injuries from product liability all across the United States. 

Dr. Zeller has graduate level experience in computational dynamics and orthopedic biomechanics with a specific emphasis in dynamics, vibrations, joint contact mechanics, and muscle control during static and dynamic loading applications. Dr. Zeller’s past research includes clinical and computational analysis of the human body with respect to the design and implantation of orthopedic devices for the knee, hip, and spine. He has published in peer-reviewed journals and presented research at both technical and surgical conferences in North America, Europe, and Asia. Dr. Zeller also worked with surgeons across the United States in the design and assessment of knee replacement devices, including personalized and prototype devices to optimize for efficacy and safety. 

Dr. Zeller is also accredited as a traffic accident reconstructionist and continues to conduct research as well as maintain a current knowledge of developing trends and best practices in the biomechanics and engineering fields. Dr. Zeller has published to various organizations on topics ranging from knee replacement design, forward solution modeling, joint mechanics, personalized joint replacements, material structures and properties as well as biological modeling of disease distributions. He also has an extensive testifying history including depositions, trials, and arbitrations.

 See Full Bio & CV.

Expertise:

Biomechanical Analysis Accident Reconstruction Injury Consistency Mechanism of Injury Analysis Vehicle Occupant Kinematics Falling Object Mechanics and Analysis Bicycle Accidents Pedestrian Accidents Amusement Park and Playground Accidents Crash Data Retrieval and Analysis

Product Failure Analysis Seat Belt Analysis Restraint System Occupant Position Determination Sequential Events Analysis Speed Analysis Vehicle Damage Consistency Collision Avoidance Material Fracture Analysis

Michael R. Hill, PhD, PE, is a Biomechanical Engineer passionate about applying biomechanics techniques to solve diverse problems in forensics, medical research, engineering, biology, science, and mathematics. He is an expert in experimental, theoretical, and computational Tissue Biomechanics, with a focus on injury mechanisms, human tissue damage, and nonlinear soft tissue mechanics.

Dr. Hill’s core strengths are in orthopedic and cardiovascular biomechanics, vehicle accident reconstruction, injury consistency analysis, mechanical design, instrumentation, experimental analysis, numerical methods, simulation, statistics, and image processing. Dr. Hill has lectured in the field of biomechanics and numerical methods, and his research has been published in 16 academic articles and presented at 40 international and national scientific conferences.

See Full Bio & CV.

Expertise:

Vehicle Accident Reconstruction Occupant Kinematics Orthopedic and Cardiovascular Biomechanics Human Tissue Damage Mechanics Slip, Trip, and Fall Analysis Injury Consistency Analysis Statistics

Computational Mechanics  Experimental Biomechanics Image Analysis Mechanical Design Event Date Recorder (EDR) Data Retrieval and Analysis Automobile Restraint Analysis Numerical Methods

View Quality Forensic Engineering's Industrial Forensic Engineering Expert Witness Profile.

As an arbitrator, structural/civil engineer, and expert forensic consultant with nearly four decades of experience, Casey Hemmatyar has provided extensive expert services for defendants’ and plaintiffs’ attorneys on numerous construction litigation matters throughout the United States and Canada.

He has been retained as an expert engineer in over one hundred litigation matters on single and class-action legal cases by the U.S. government, law firms, and insurance carriers at the State and Federal levels, working with both plaintiff and defendant sides.

A partial list of litigation cases is available upon request. His understanding of core engineering and legal concepts has enabled him to assist a wide range of clientele effectively. He brings diversified experience in structural and civil engineering design and forensic engineering, investigation, and evaluation.

He also conducts research, has assisted in the development of building codes and standards, and has supervised the construction of domestic and international projects. His experience includes special structures and new buildings as well as modifications, alterations, seismic/hurricane retrofits, and upgrades to existing structures. He has provided failure analysis, expert consultation, structural forensic investigation, and damage assessment services for numerous litigation and insurance-related matters.

He actively presents continuing education lectures to audiences of licensed engineers, architects, and general contractors on topics of structural and forensic engineering throughout North America. Mr. Hemmatyar has been the principal structural engineer on high-profile projects for prestigious clients, including NASA and other notable organizations.  Currently, he directs PSFEG and has served as Director for SEAOSC from 2011 to 2013.

His work encompasses a diverse range of structures, including hospitals,  educational institutions (including schools and universities), telecommunication centers, aviation facilities, government buildings, laboratories, as well as commercial, industrial, and residential structures.

Principle Forensics is a national Media Forensics Laboratory. They Recover, Authenticate, Enhance, and Analyze all types of recorded evidence, including Video, Audio, and Digital Images. Principle Forensics backs all their work with experienced, highly trained, expert testimony.

Nick Barreiro, BAC, AVFA, DIVRT, Chief Forensic Analyst, is a Certified Audio Video Forensic Analyst and an FBI-trained member of the Digital Imaging and Video Recovery Team. During his 15-year law enforcement career, he was a patrol sergeant, technology project manager, media forensics expert, detective, digital evidence specialist, and patrol officer. Prior to his career in law enforcement, Mr. Barreiro was an audio engineer and producer in California. He also worked for KBMB radio in Sacramento and has extensive experience and training in audio enhancement and analysis.

Litigation Support - Mr. Barreiro works with attorneys representing plaintiffs and defendants in civil or criminal matters in which Audio, Video, or Image Evidence plays a key role. He has tremendous technical knowledge and training, but also extensive experience on the witness stand.

Mr. Barreiro has conducted hundreds of forensic audio, video, and image investigations in the United States and internationally. He has enhanced and analyzed thousands of digital files, ranging from simple slip-and-fall cases and minor traffic accidents to complex investigations such as homicides and officer-involved shootings. He has been court-certified as an expert and provided expert testimony in criminal cases and civil litigation in federal and state court. A highly trained and experienced forensic analyst, he provides technically detailed and precise results with expedited turnaround times.

Video, Audio, and Image Forensics

Evidence Recovery Authentication Enhancement Synchronization Analysis Redaction

Photogrammetry Facial Recognition License Plate Recognition Public / Media Release Court Exhibit Preparation