Accident Prevention and Safety Expert Witnesses: 54

Dr. David A. Rockstraw, PE, is a distinguished figure in the fields of Chemical Engineering and Intellectual Property, with an impressive blend of academic and professional credentials. He has over 30 of years of experience in chemical processing and phenomena in industry, national labs, academia, and private consulting.

Dr. Rockstraw is the former Robert Davis Distinguished Professor and Academic Department Head of Chemical Engineering, Interim Academic Department Head of Mechanical & Aerospace Engineering and Creator and Director of Brewery Engineering at New Mexico State University, with over a decade of experience in the chemical process industry and national labs. 

Litigation Support - Dr. Rockstraw has supported NSF grants as a co-PI and consultant, testified in trials, arbitrations, and depositions on dozens of occasions, and has the experience of over 80 expert witness engagements and over 30 technical consultant engagements, the majority involving patent infringement, trade secret theft, and patent validity.  Work on these cases has frequently required Rockstraw to perform laboratory research or direct full-scale plant tests to collect the evidence needed to support a client’s position. He is a clear communicator, skilled educator, having experience in a wide range of chemical manufacture processes. Dr. Rockstraw is licensed in TX, NM, and CA.

Areas of Expertise:

Chemical Engineering Materials Engineering Chemical Plants Process Analysis / Forensics Chemical-related Intellectual property & Trade Secrets Explosions / Fires Chemical Safety /Hygiene Matters (Chemical and Materials Phenomena) Water

Petrochemicals Pharmaceuticals Agricultural Chemicals Fluorochemicals; Monomers, Polymers and Plastics Plutonium Processing Membrane / Electro Membrane Processes Biofuels Processed Foods

Dean Tekell Consulting provides expertise in the areas of Traffic Engineering, Parking, Public Transit, Vehicle Dynamics, Accident Reconstruction, and Technical Accident Investigation.

Often, government agencies, consulting engineers, architects, developers, business institutions, and attorneys must know how to move people and their goods safely and efficiently. The firm offers advice on site selection, traffic access, and traffic circulation on the site. The firm provides insight into potential problems with zoning and subdivision regulations. Traffic impact studies, traffic signal warrant analysis, traffic signal design and permitting services related to development activity are also available through the firm. Parking garage and parking lot operations are specialties offered to business institutions.

Other services include: Queuing Studies for drive-through services; Traffic Calming and neighborhood speed control; School trip and pedestrian safety plans; Traffic Accident Reduction and highway safety techniques; Transit Funding Operation; Intelligent Vehicle-Highway Systems.

Michael T. Motley, Ph.D. has over thirty-five years of experience in the fields of Communication & Psycholinguistics. Dr. Motley serves as an expert witness for opinions on the  clarity, lack of clarity, and most likely interpretation of common messages such as  warning labels, instructions, advertising, contracts, waivers, and so forth. He has served on over 30 cases; about 2/3 for plaintiff and 1/3 for defense. Dr. Motley is a Professor Emeritus of Communication at the University of California at Davis. He has authored almost 200 books, articles, and research papers in communication and psycholinguistics. He has won eighteen excellence awards for his research and was recognized as among the "Top 1%" of communication scholars of the 1970's, 1980's, and 1990's. Areas of Expertise:

• Communication Messages: Meaning, Ambiguity, Likely and Alternate Interpretations, Communicative Intention
• Adequacy/Inadequacy of Messages: Product Warnings, Instructions, Waivers, Advertisements
• Male / Female Misunderstandings: Sexual Consent/Resistance, Date Rape

Services Offered:

• Expert testimony & Consultation
• Opinion on Adequacy of Communication Messages
• Opinion on Likely Consumer Interpretation of Warnings, Instructions, Advertising
• Opinion on Likely Intrepretation of Sexual Resistance/Consent Messages and Behaviors
• Social-scientific testing of expert opinion (his and others')

View Consulting Profile.

Donald L. Hess, President of DLH Associates, Inc., has been providing expert witness services to attorneys and other clients, including Analysis of Vehicle Crashes since 1996. His specialty is crashes involving Commercial Motor Vehicles, including trucks, tractor-trailers, and buses.

With two million miles of safe cross-country trucking experience, followed by over 25 years as a driver trainer and creator / administrator of commercial driving programs, Mr. Hess is well-qualified to provide analysis of what drivers are trained to do in specific situations and circumstances, what federal and state regulations call for and require, and all aspects of the safe and proper operation of commercial motor vehicles. As a motorcyclist with over 45 years of riding and training experience, he is also qualified to comment on accidents involving motorcycles.

Mr. Hess has been nationally recognized as a leader in safety and training issues, is a winner of the American Trucking Associations Million Mile Driving award,and was a recipient of the Truckload Carriers Association Lee Crittenden award. Over his long and successful career in trucking and education, he has held numerous national board and officer positions in trucking and education.

Litigation Support - Mr. Hess is uniquely qualified to analyze and comment on driver behavior in virtually any situation,and has established a solid reputation as an expert witness in crashes involving trucks and commercial vehicles for both Plaintiff and Defense in over 500 hundred cases across the country since 1996. His experience includes significant deposition and trial testimony.

He possesses a unique combination of training, hands-on experience, and education that combine to position him as a leading expert in all facets of trucking. Mr. Hess still maintains a valid, current Commercial Driver License fully endorsed for Combination Vehicles, Doubles-Triples, Tankers, Hazardous Materials, Motorcycles, and Buses. He also holds a USDOT Medical Exam Certificate. His CDL and medical certificate have been maintained without interruption or fault since 1971.

Areas of Expertise:

Commercial Driver Training Truck Driver Training Federal Motor Carrier Safety Regulations Commercial Driver Theory Commercial Driver Backing City Driving Federal Hours of Service Requirements Tankers

Highway Driving Extreme Weather Operations Live Skid Pad / Skid Prevention and Recovery Emergency Driving Skills Warehouse Issues Loading Dock Issues Forklifts Hazardous Materials

View Donald L. Hess' Consulting Profile.

H. Landis “Lanny” Floyd II, PE, CSP, CMRP, CRL, CESCP, Life Fellow IEEE, has over 45 years of experience in Electrical Safety in the Workplace. His work has advanced the application of Human Factors Engineering, Electrical Technology, and Safety Management Systems in preventing occupational electrical injuries. Mr. Floyd retired from DuPont in 2014, holding the positions of Principal Consultant - Electrical Safety & Technology, and Global Electrical Safety Competency Leader. 

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Background Experience - For the past 35 years, Mr. Floyd focused on electrical safety in the construction, operation, and maintenance of industrial and commercial facilities worldwide for DuPont. This included safety management systems, competency renewal, work practices, and the application of technologies critical to electrical safety performance. From 1992 to 2014, he led the team that designed and facilitated implementation of a strategy for continuous and sustainable improvement in occupational electrical safety for DuPont Global Operations. This work enabled breakthrough performance in prevention of serious injuries and fatalities from electrical energy in DuPont facilities worldwide. In 2013, Mr. Floyd was invited to join the faculty at the University of Alabama at Birmingham, where he teaches in the Advanced Safety Engineering and Management Master of Engineering degree program. 

Litigation Support - Mr. Floyd has been providing expert witness services and litigation support for over 10 years. His expertise is available to counsel representing both plaintiff and defendant. Mr. Floyd's services include consulting, site inspections, testing, reports, depositions, and trial testimony when necessary. 

Areas of Expertise:

Workplace Electrical Safety Electrical Shock Arc Flash Electrical Safety Management Systems Electrical Codes and Standards NFPA70E & National Electrical Safety Code National Electrical Code Electrical Testing Instruments

Electrical Injury Electrocution Electrical Reliability Electrical Maintenance Electrical Construction Occupational Electrical Safety Electric Power Systems Overhead Power Lines

View Lanny Floyd's Consulting Profile.

Envista Forensics is a global leader in Forensic Engineering & Recovery Solutions. They provide Cause & Origin, Failure Analysis, Fire and Explosion Investigations, Accident Reconstruction, Damage Evaluations and Equipment Restoration Services following disasters of all kinds. Envista has offered Consulting Services to the insurance, legal and risk management industries, as well as businesses, public entities, and universities for over 25 years.

Their Experts travel globally from 30 offices located across the U.S., Canada, Mexico, the U.K., Australia and Singapore. Envista's experience counts when equipment, systems, structures, or data have been threatened by catastrophe or litigation. Their experts and advisors determine cause and responsibility, and identify the nature and extent of damage or loss and provide a full range of solutions to protect their assets.

Envista's technical professionals are trusted advisors and industry leaders. Their expertise is broad and deep, capable of withstanding all forms of scrutiny. Envista's services are available globally so that certainty is assured no matter where in the world it is needed. As the recovery from disasters has grown more complex, Envista has developed a comprehensive array of services to help their clients and has associates located around the globe to provide assurance no matter the type of loss or location of the disaster. Envista helps attorneys quickly get to meaningful answers on the many technical issues at the center of a dispute. Their engineers have decades of experience working with both defendants and plaintiffs.

They offer effective Expert Witness Testimony, with the ability to communicate effectively, build rapport with juries and judges, and maintain adherence to structured, methodical approaches in drawing conclusions are all extremely critical. Envista Forensics understands how critical the selection of an expert can be, and we understand what makes experts effective. Their court qualified experts have extensive experience providing expert testimony on a wide variety of engineering and technical matters.

Areas of Expertise:

Aviation & Aerospace Biomechanics Construction Defects Digital Forensics Electrical Injury & Electrocutions Causation Chemical Computer / Network Equipment Failure Construction Defect Disputes over Reparability of Damage Electrical Failure Equipment Restoration Fire & Explosion Analysis Equipment Restoration

Industrial / Manufacturing Equipment Materials Failure Mechanical Accidents Mechanical Failure Medical / Laboratory Equipment Product Failure / Liability Project Management Structural Failure Subrogation Utility & Energy Valuation of Structures or Equipment Vehicle Accident Investigation Workplace / Premises Accidents

View Envista's Consulting Profile.

Albert Ferrari, PE, CSP. is a Mechanical Engineer and Safety Professional experienced in both the micro and in the macro focus. Mr. Ferrari is particularly sensitive to reliability, safety, and function. His Forensic Engineering experience includes 30+ years in Accident Reconstruction, Causal Analysis, Failure Analysis, Codes, Standards and Regulations, Consulting and Testimony.

Mr. Ferrari provides Expert Witness Consulting and Testimony services to Defense attorneys, Plaintiff attorneys, Claims adjusters and Insurance companies. 

Engineering Work Includes:

• Automotive Engineering
• Pedestrian Facilities
• Machine Design
• Thermal and Mechanical Energy Analysis
• Structural Load and Stress Analysis
• Piping and Tanks
• System Safety and Human Factors Analysis for Design of Hazardous Equipment

Evaluations Include

• Cause of Injury, Loss and Damage
• Adequacy of Products, Systems, Materials, Practices
• Standard of Care of Design, Manufacturing, Use, Maintenance

Services Include:

• Investigation and Consultation
• Diagnostics, Testing and Analysis
• Technical Photography and Video
• Literature and Standards Studies
• Codes and Regulations Analysis
• Reports and Testimony
• Evaluations

Ken Tannar’s Golf Expertise is unique in the legal world. As an Errant Golf Ball expert, Mr. Tannar can analyze and give advice on potential damage produced by errant golf balls. With an increase in residential developments built around golf courses, errant golf balls will almost certainly cause damage to property and/or persons. 

Mr. Tannar provides litigation support services on all cases involving golf club / ball interactions. Having consulted on over 70 cases, he uses a highly accurate golf ball projectile model, Mr. Tannar can determine the “zones of danger.” including:

Golf Netting Safety Height - Topographic Errant Ball Analysis - Adjoining Property Errant Golf Ball - Safety Determination

Mr. Tannar has been providing expert advice to golf courses, driving ranges, residential properties and the courts for since 2000. He has advised on cases in Australia, Canada, Norway, Spain, UK and many of the US States.

Prof. Makarand (Mark) Hastak, PhD, PE, CCP, CRIS, is the Professor and the Dernlan Family Head of Construction Engineering and Management as well as Professor of Civil Engineering at Purdue University. Dr. Hastak has been involved with the construction industry for the past 35 years providing his expertise through consulting, research, teaching, and service to the industry. 

Dr. Hastak is a world renowned expert in the area of construction engineering and management including risk management, profitability of Construction companies, process improvement, disaster risk reduction, resilience and capacity building, infrastructure management, intelligent planning for the built environment, project control, project management decision-making, and strategic planning. As a Fellow of the American Council on Education (cohort of 2013-14) at Cornell University his work focused on the various facets of Hybrid RCM budget, engaged institution, and Public-Private Partnership in academia.

Dr. Hastak is a Professional Engineer (PE), a Construction Risk Insurance Specialist (CRIS), and a Certified Cost Professional (CCP). He  has worked on numerous projects sponsored by the Construction Industry Institute (CII), NSF, State DOTs, and City Agencies. He is the current President of CIB (International Council for Research and Innovation in Building and Construction) and the Chair of the Advisory Board of teh Global Leadership Forum for Construction Engineering and Management programs (GLF-CEM). He also serves as an Academic Advisor to the Downstream and Chemicals Committee of the Construction Industry Institute (CII).

Dr. Hastak  has authored over 200 publications in his areas of expertise. He has co-authored a widely used book on Infrastructure Planning, Engineering, and Economics (McGraw-Hill 2006 and 2015). Dr. Hastak served on the Education Board of the Association for Advancement of Cost Engineering (2004-2016). He was Editor for two AACE books, the Skills and Knowledge of Cost Engineering (6th Ed. 2015) and the CCP Certification Study Guide (2nd Ed. 2016). He was also the Editor-in-Chief of the ASCE Journal of Management in Engineering (2009-2016). 

Dr. Hastak has given over 50 keynotes and invited lectures around the world. As a prominent educator and consultant, he also engages in developing training material and workshops as well as regularly teaching professional courses for the A/E/C industry. His services include consultation, on-site investigation, data collection, assessment, and reporting. He has completed the 30-Hour OSHA Hazard Recognition Training for the Construction Industry 

Dr. Hastak Lectures at the 2015 International Conference on Building Resilience

Litigation Support - Dr. Hastak offers expert witness services to attorneys representing both plaintiff and defendant. He has served as an Expert Witness on twenty-six (26) cases since 2017 and was deposed on eight plus two evidence depositions. His services include case reviews, written reports, depositions, and trial testimony as needed. 

Areas of Expertise:

Construction Engineering Construction Management Cost Overruns Schedule Delays Construction Safety/OSHA Modular Construction Patent Infringement

Factory Built Construction Infrastructure Planning Data Center Construction Project Risk Management Disaster Recovery / Disaster Mitigation Trade Secrets Misappropriation Contracts & Warranties

View Dr. Hastak's Consulting Profile.

Harvey C. Voris’ entire engineering career has been devoted to the Fitness Industry. He has over 35 years of Fitness Equipment Design experience and has been issued 7 U.S. utility patents. Mr. Voris has a Bachelors of Science in Engineering from UCLA with a specialization in Bio Structural Mechanics. 

Mr. Voris' Masters in Engineering is from Cal State Long Beach where he specialized in Fatigue and Failure Analysis. He has spent 21 years devoted to the development and promotion of safety standards for the fitness industry. Mr. Voris has authored numerous standards and has chaired the ASTM committee devoted to fitness standards development since 1995. 

Litigation Support - Mr. Voris provides engineering analysis and accident reconstruction related to consumer and fitness products and facilities. His services are available to attorneys representing both plaintiff and defense. With 35 years of experience, a biomechanics background, and extensive experience in design and product testing, Mr. Voris speaks with authority on the following critical issues:

Product Liability - Patent Development - Patent Infringement - Facility Risk Management - Standards Compliance

View Harvey Voris' Consulting Profile.

A Licensed Professional Engineer in 11 states, John Averrett specializes in Electrical Shock / Electrocution, Utilities, Lightning Strikes, and Grounding cases involving death, personal injury, industrial equipment failure, vehicular accidents, fire cause/origin, contract, and construction disputes. 

Areas of practice include: Alabama, Florida, Georgia, Mississippi, Tennessee, South Carolina, North Carolina, Kentucky, Arkansas, Louisiana, and Texas; other states by comity. 

John Averrett is Executive Vice President of Goodwyn Mills & Cawood headquartered in Montgomery, AL. He has more than 25 years' experience in plan development for governmental, municipal, industrial and commercial clients and is currently coordinating a group of twelve other electrical engineers and designers. In addition to his design efforts, Mr. Averrett's experience includes work with electric utilities that includes transmission, sub-stations, and distribution; work with investigating lightning strikes; work with investigating grounding insufficiencies; and work analyzing and providing solutions for arc flash hazards.

Litigation Support - Mr. Averrett offers expert witness services to attorneys representing plaintiff and defendant. He provides site review, thorough reporting, deposition, and trial testimony as needed nationwide.

Electrical Engineering Electrocution Lightning Lightning Protection Arc Flash Electrical Safety

Building Analysis Grounding Shock Electric Shock Drowning Breaker Coordination Electrical Utility Districution

Dr. Eric N. Brown, CIH, CSP, is a Certified Industrial Hygienist (CIH) and a Certified Safety Professional (CSP), with both certifications in good standing with the issuing boards. Dr. Brown holds a Doctorate in Public Health with an Industrial Hygiene specialization from the University of California at Los Angeles, and a Master’s degree in Public Health with an Occupational Health specialization from the Medical College of Ohio. He has over 20 years of experience in:

• Mold
• Health and Safety
• Industrial Hygiene
• Indoor Air Quality Exposure Assessments

Litigation Support - Dr. Brown has been a designated expert in hundreds of cases, been and has testified in both trials and arbitrations. His expertise has never been successfully challenged. His services are available to attorneys representing both plaintiff and defendant. 

Areas of Expertise:

Asbestos Bad Faith Construction Safety Environmental Ergonomics Hazardous Materials Human Factors Engineering

Industrial Hygiene & Mold Landlord / Tenant Lead Poisoning Occupational / Environmental Health OSHA Safety Wrongful Death

Areas of Expertise:

Accident Reconstruction Biomechanics Human Factors Safety Accident Prevention Adequacy of Warnings Building Codes Coefficient of Friction Construction Defect 3D Scans Failure Analysis

Industrial / Recreational / Structural OSHA Compliance Premises Liability Product Integrity / Testing Computer Animation and stimulations Defense and Plaintiff Cases Civil & Criminal Educational Seminars Litigation and Non-litigation Mediation / Arbitration Services Court Testimony over 2000 x's

Auto • Airbag • Bicycle • Boating • Bus • Chair Design / Safety / Failure • Diving and Drowning • Electrocution and Shock • Elevator • Escalator • Fires and Explosions • Forklift • Gate • Golf Cart • Highway Design and Safety • Ladder • Law Enforcement • Lighting & Illumination • Loading Dock • Metallurgy • Motorcycle • Paintgun • Playground Safety • Press • Ramps • Rollercoaster • Safety Guards • Scaffolding • Seatbelts • Slip / Trip and Fall • Spas • Stairs • Swimming Pool Design and Safety • Tractors • Trailers • Trucks • 3D Scans

Meyer R. Rosen, FRSC, FAIC, CPC, CChE, is a leading creative consultant for the Legal Profession and specialty Chemical / Personal Care Industries. He is the Founder & President of Interactive Consulting, Inc. (www.chemicalconsult.com). 

Meyer is a Forensic Litigation expert for both plaintiff and defense in hazardous chemicals, products liability, personal injury, fires and explosions, intellectual property and trade secret cases. He also provides Technical Marketing, New Business Development, Technical Consulting and Professional Editing services internationally to the Specialty Chemical, Personal Care, Cosmetic, Pharmaceutical, Medical Device, and Allied Industries. 

Meyer also has 15 years of experience as a Professor of Fire Technology at Westchester Community College. Mr. Rosen is Editor- in- Chief of Harry’s Cosmeticology, 9th Ed. A 2,600-page trilogy on all aspects of the cosmetic industry (www.harryscosmeticology.com)’ as well as being Emeritus-Editor-in-Chief for EuroCosmetics magazine (Germany) and Editor-in-Chief of the Delivery System Handbook. 

Technology Expertise (Intellectual Property/Chemical Industry): Mr. Rosen provides consultation and litigation support in patent infringement, trade secret issues, and licensing matters. His scientific areas of expertise include, but are not limited to:

• Organosilicones: Surfactants, Emulsions, Foams, Antifoams, Silane Coupling Agents
• Water Soluble Polymers, Poly(ethylene oxide), Polyethylene Glycol, and Poly (acrylamide) and Water Insoluble Polymers
• Colloid and Surface Chemistry: Stability of Dispersions, Wetting & Spreading Phenomena, Suspensions & Emulsions, Clays, Paint & Coatings, Personal Care, Cosmetics
• Flocculating and Coagulating Agents
• Applied Rheology, Rheology Modification of Aqueous & Non-Aqueous Media

Certifications:

• Chartered Chemist and Fellow: Royal Society of Chemistry – London
• Nationally Certified Professional Chemist and Professional Chemical Engineer
• Fire and Explosion Expert (Advanced Training)
• Fellow: American College of Forensic Examiners
• Fellow: American Institute of Chemists
• Diplomate: American Board of Forensic Examiners
• Diplomate: American Board of Forensic Engineering and Technology

View Meyer Rosen's Consulting Profile.

John R. Bell II, is an Aviation Management Consultant who offers Professional Pilot Services. His background includes 35 years of experience in corporate aviation development, implementing and managing the needs of various companies and individuals.

Mr. Bell’s background experience since 2000 has included a number of international ferry flights with North Atlantic and Pacific crossings. He has supported a number of operators in Indonesia, Malaysia, and South Korea. The support he has provided includes qualifying their crewmembers (IOE/SOE) to meet their Air Taxi requirements as per Civil Aviation Authority (CAA) and qualifying their Flight Attendants.

Certifications, Ratings, and Flight Times:

• Airline Transport Pilot - Airplane Multiengine Land
• Type Ratings: CE500, CE525S, CE560XL, CE650 and CE680 Sovereign
• Commercial Privileges - Airplane Single Engine Land & Sea
• Flight Instructor (Gold Seal) - Airplane Single and Multiengine Instrument Airplane
• Flight Times - (Updated: December 31, 2015) Total: 16,128 PIC: 15,372- Turbojet: 7,372- Turboprop: 4,465- Multiengine: 13,382- Piston: 2,563

Litigation Support - Mr. Bell provides expert witness services to counsel representing both Plaintiff and Defendant. He has been a FAASTeam Representative (Formerly FAA Accident Prevention Counselor) since 1984.

Areas of Litigation Expertise:

• CFR Title 14 Federal Aviation Regulations (FAR’s)
• Cessna Citation Aircraft
• Advanced Avionics Systems including Glass Cockpits, GPS, FMS, TAWS, TCAS Systems
• Aircraft Aerodynamics
• Aircraft Systems
• Airspace – Domestic and International (MNPS, RVSM, RNP, PRNAV, BRNAV)
• Aviation Weather Decision-making
• Cold Weather Operations
• CRM (Cockpit Resource Management) and Crew Decision-making
• Flight Instruction – Fixed-wing
• International Flight Operations and Procedures
• IOE / SOE (Initial Operation Experience/Supervised Operation Experience)
• Pilot Decision-making
• Windshear Operations in the Cockpit

View John Bell's Consulting Profile.