Slip, Trip and Fall Accidents Expert Witnesses: 37

Dr. C.J. Abraham, P.E. is a Licensed Professional Safety Engineer with over thirty five years of international experience consulting to insurance companies, municipalities, government agencies, and the legal profession. He provides consultation to International corporations in the areas of New Product Development, Manufacturing, Packaging, Warnings and Instructions. 

Dr Abraham's services include Expert Witness Testimony for both Plaintiff and Defense in matters involving Personal Injury and Product Liability. 

Areas of Expertise:

Construction Accidents OSHA ADA Labor Law Human Factors Household / Industrial Products Safety Engineering

Retail Store Safety Industrial Hygiene Textiles Fires / Explosions / Flammable Fabrics Slips / Falls Recreational / Sports Accidents Toxic Exposures

Since 2010, Craig Moskowitz, MBA, MS, PE, the President and Managing Member of CLM Engineering Associates, LLC (CLM), has been concentrating the comapny's focus on forensic engineering/expert witness work for the insurance industry and legal community. In addition, they offer construction management, civil engineering and building inspection services. 

CLM has extensive construction management experience on both commercial and residential projects. Projects have included:

•  Safety inspections on both civilian and military projects through application of OSHA regulations. Designed drainage systems for the government while an officer with the United States military. Cost estimating for various projects exceeding $500 million<li>
• Designed document creation and management of high-rise construction in Manhattan
• Management of telecommunications projects for Verizon in Manhattan including CPM schedule creation and updating
• Directed and managed all water distribution system and sewer system work while working as a contractor to the New York City Department of Design and Construction. 
• Marketplace Services

Litigation Support - Forensic work related to evaluation of structural steel systems with commercial building construction and insurance-related claims due to storm damage on commercial and residential structures. Craig Moskowitz has been deposed several times in litigation matters. Mr. Moskowitz has testified 17 times in the past four years. 

View Craig Moskowitz's Consulting Profile.

Gary R. Coburn is an award-winning Restaurant Executive with 40 years of experience creating, opening, running, and advising hundreds of full service restaurants, limited service, quick-service, bars and nightclubs. Additional expertise in restaurant franchising and commercial kitchen design/build from remodels to ground up including conceptual development, viability and business interruption.

With over four decades in the industry, Mr. Coburn has held positions as VP of National Accounts and Design Build for the largest commercial kitchen and distribution company in the country to, Director of Operations, President, COO, Executive Director of Food Services and owner operator. His management experience has included supervising more than 2,000 employees, including 170 managers, along with overseeing consulting assignments for numerous companies.

Clients Include: Joe's Crab Shack, Cask ‘n Cleaver, Lord Charlie’s, El Gato Gordo, Pizza Pronto, Safari Bar Restaurant, Shark Club, Bull Dog Grill, Stronghouse, Pangea, The Ballroom, Juarez Grill, Dickerson’s Club 29, Yucatan Liquor Stand, Zepp’s Atomic Tex Mex, Cabo Grill, Angel Stadium, In Cahoots, The Ball Room, Slick Willie’s, Rodeo, Jake’s, Bobs on the Bay, Crabby Bob’s Seafood, PizzaRev, Honolulu Harry’s, Lahaina Mai Tai Lounge, Canyon Grill, Campagnia, Huey’s Grill & Brewery, Gladstone’s Long Beach, Pro’s Ranch Markets, Lily's Doughnuts & Pops

Litigation Support - Mr. Coburn has served as an expert witness in numerous restaurant-related cases. His services are available to attorneys for plaintiff and defense and include site inspection, thorough reporting, depositions, and trial testimony as needed.

Areas of Expertise:

Slip,Trip & Fall Burns Choking Food Safety Dram Shop Alcohol Employee Safety Commercial Kitchen Customer Injuries Operations Management

Franchise Ownership Permitting Training Investing Accounting Premises Liability / Negligent Security OSHA ADA Procedures Equipment Design

Recent cases retained by Plaintiff:

• Guest incident regarding standard of care including safety, protocols / procedures, adequate warnings, and related issues
• Safety and security practices for proprietors regarding foreseeability of harm, likelihood of injury, notice and reasonable intervention 
• Loss of income, conceptual and goodwill impact based on providing adequate parking

Recent cases retained by Defendant:

•     Loss of income and the feasibility of the concept and the viability of opening the restaurant
•     Slip and fall and the ensuring safety of its patrons and duty to use reasonable care in keeping premises reasonably safe
•     Maintenance, industry standards of furniture handling and procurement, foreseeability of harm, and   likelihood of injury from lack of procedures

View RCI's Consulting Profile.

Dan W. Wall, BSME, specializes in the fields of Accident Reconstruction, Biomechanics and Motor Vehicle Injury Causation, Human Factors, and Injury Prevention in Motor Vehicle Design. Mr. Wall is fully accredited with ACTAR (Accreditation Commission for Traffic Accident Reconstruction), ACTAR No. 1140.

Dan Wall has conducted scientific and engineering analysis of motor vehicle collisions since 1987 for both plaintiff and the defense in civil and criminal cases. A qualified expert witness since 1987, he has offered litigation support services to insurance companies and attorneys in Arizona, California, Colorado, Tennessee and Louisiana and has testified in both Civil and Federal Courts.

Mr. Wall's past cases have involved commercial vehicle design and analysis, insurance investigations, low speed collisions and injury analysis, motorcycle collisions and rider analysis, vehicle handling and dynamics, seat belt analysis and injury mitigation, tire failures and rollover analysis, general accident reconstruction, and roadway analysis. He has conducted human factor analysis including reaction and perception, environmental effects, and general driver behavior. With a large library and the tools needed to do all types of motor vehicle reconstruction investigations, Mr. Wall is an asset to any team.

Dan Wall currently owns and rides a Harley Davidson Ultra Electra Glide Classic motorcycle and has gone through various levels of motorcycle training. He also has extensive experience as a boat operator and Marine Instructor.

For more information, visit www.wallaccidentreconstruction.com

Also view Dan Wall's article in Attorney At Law Magazine at http://attorneyatlawmagazine.com/phoenix/2014/01/17/accident-reconstruction-expert-dan-wall/

Areas of Expertise:

Mechanical Engineering Biomechanics Human Factors Accident Reconstruction Failure Analysis Forensic Investigation Motor Vehicle Design Dynamics and Handling Motorcycles Commercial Vehicles Rollovers Signage

Conspicuity Low Speed Collisions Marine Safety Bicycles Slip and Fall Accidents Pedestrians Accidents Tire Failure Seat Belt Issues Road Defects Off Road Driving Accidents Construction Zones Product Liability

View Dan Wall's Consulting Profile.

Kristopher J. Seluga, PE, is a Mechanical Engineering, Accident Reconstruction, Biomechanics, and Safety Expert with over 20 years of experience. He received his Bachelor’s and Master’s degrees from the Mechanical Engineering department at MIT where he worked on the development of novel three-dimensional printing technologies.

Mr. Seluga is also a licensed Professional Engineer in New York and Connecticut, and has served as a member of the ANSI engineering committee for the Z130.1 and Z135 standards for golf cars and PTV’s. His research interests and peer reviewed publications span the topics of Motor Vehicle Dynamics, Product Safety, and Biomechanics.

Litigation Support - Mr. Seluga has been working as a forensic engineer at Technology Associates since 2001. He has investigated 100s of accidents for both plaintiffs and defendants. Mr. Seluga has been qualified to testify as an expert in state and federal court and is experienced in testifying in depositions and trials. He has successfully defeated Daubert / Frye challenges and can prepare and explain compelling exhibits at trial.

Areas of Expertise:

Motor Vehicle Accident Reconstruction Mechanical Engineering Premises Liability Biomechanics Product Design and Safety

Product Liability Falls Electrical Engineering Safety - Warnings / Visibility Simulation and Animation

Swenson Consulting offers Snow Removal Expert Witness Services to legal professionals needing assistance with snow and ice removal slip and fall cases. They are experts in 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.

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.

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.

Retail Expert Witness Corporation celebrates over 10 years of delivering the most precise opinions for over 400 cases nationally with Jerry Birnbach, FISP, Associate AIA, the celebrated expert.

Jerry’s years of retail design for Jerry Birnbach LLC have a proven safety expert recognition and a Top 50 Retail Design Firm. A Top 40 Retail Industry Leader and retail safety expert for 40 years, Jerry has provided opinions for State and Federal court in 47 States for a majority of Slip, Trip and Fall Cases. From his early partnership with Sam Walton, Founder of Walmart - to placing the Issac Mizrahi brand into Target stores across the United States, Jerry set up each of his retail design clients up for maximum success in retails sales and retail safety. Many of his retail clients continue to thrive and maintain the highest level of retail safety culture and retail safety practice as promoted by Jerry. 

In 2012, Jerry launched a retail expert witness business to support cases involving big box retail stores, fast food restaurants, and medical centers, as well as small business retailers, restaurants, and medical practices. Jerry has serviced clients whose cases involved local municipalities, federal safety rules & regulations, building codes, and best practices in retail safety to avoid slip and trip falls. Jerry sees the not-so-obvious when forming his expert opinions and remains openly accessible to his clients’ needs in order to deliver the most efficient and impactful opinion while maximizing the validity of each requested expert witness opinion.

View Jerry Birnbach's Consulting 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

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 22 years of experience investigating, analyzing, and testifying in matters involving a variety of forensic engineering issues. 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:

Fire Cause and Origin Tire Failure 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 25 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 33 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 eight 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

Computational Mechanics  Experimental Biomechanics Image Analysis Computational Modeling Event Date Recorder (EDR) Data Retrieval and Analysis Automobile Restraint Analysis

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

Dr. J. P. Purswell, PhD, PE, CPE has extensive experience in Human Factors, Ergonomics, and Safety Engineering. He holds a doctorate in Industrial & Systems Engineering from Virginia Tech. He has taught Safety Engineering and Ergonomics in the Industrial Engineering Department at CSU-Pueblo since 1999. 

A member of the Human Factors and Ergonomics Society and the American Industrial Hygiene Association, Dr. Purswell also served as the Chair of the Industrial Engineers PE exam from 2005 to 2009. He continues to serve on the committee which is responsible for the preparation of the national professional engineering examination in industrial engineering. 

Dr. Purswell is the author of more than 20 publications and presentations on Product Safety, Occupational Safety, Printed Warnings, and Auditory Warnings. Examples of products addressed include silica, asbestos, cleaning chemicals, gasoline containers, and recreational equipment. Dr. Purswell maintains NIST-calibrated equipment for the measurement of light, sound, force, and whole-body and hand-arm vibration in addition to standard photo and video equipment. 

Litigation Support - An Expert Witness in the legal industry since 1997, Dr. Purswell has been qualified as an expert in state and federal courts across the nation in safety engineering, including safety analysis techniques such as Fault Tree Analysis and FMEA as well as product warnings / instructions and OSHA compliance issues. His services include site inspections, document review, drafting Rule 26-compliant reports, deposition, and trial testimony. He has been retained by attorneys for both Plaintiff (40%) and Defense (60%) more than 100 times, has been deposed approximately 50 times, and has testified at trial over 20 times. 

Areas of Expertise:

Warning and Safety Instructions OSHA Compliance Chemical Accident Prevention Product Safety Lockout / Tagout & Machine Guarding Trucks and Forklift Accidents

Power Tools Safety Hazard Communication - Audible Alarms Employer Safety Training and Supervision Perception / Reaction Time Ergonomic Work Practices Working and Walking Surfaces - Slip, Trip and Fall

View Dr. Purswell's Consulting Profile.