Ralph Aronberg, P.E., has reconstructed over 1,500 accidents and has testified in over 150 jury trials, since founding the firm in 1983. He provides Expert Witness services in the areas of:

Traffic accident reconstruction (cars, trucks, motorcycles and pedestrians).

Vehicle occupant kinematics (seatbelts)

Biomechanics

Traffic engineering design (geometrics, signing, markings, signals and lighting)

Sight distance analysis

Hazardous roadway conditions

Work Zone Traffic Control evaluation

Evaluation of roadway curvature

Traffic signal operations

Pedestrian safety

Computerized accident reconstruction and simulation

Vehicle "black box" data retrieval (certified>

Mr. Aronberg is published in the fields of pedestrian / bicycle / motorcycle accident reconstructions, and 3 Dimensional Animations and Scientific Visualizations through the Society of Automotive Engineers. Mr. Aronberg is a Fellow member of the National Academy of Forensic Engineers, and certified as a Diplomat in forensic Engineering.

David B. Spiegler, CCM has more than 40 years of proven experience in providing expertise across a broad spectrum of activities involving Meteorology, Climatology, and the Environment. Since the 1980s, he has provided expert analysis for more than 50 law firms and insurance companies on weather related legal and/or insurance claims. Mr. Spiegler has worked on cases in a number of states and has testified in district and superior courts, at arbitration hearings, and at environmental regulatory hearings. He has always been found to be qualified by the court.

Mr. Spiegler's cases range from slip and fall accidents, to motor vehicle, aircraft, and boating accidents, wrongful death and homicide, as well as cases for which damage to – or loss of – property from wind , snow, heavy rain, flooding, and ocean waves occurred. For many cases, he visited the site of the event and evaluated the physical and terrain factors. For all cases, he acquired, analyzed, and interpreted the weather data, reconstructed the weather at the time and location of the event/incident and/or damage or loss, and provided expert opinion and rationale for the opinion.

Services Offered:

Forensic Meteorology - build legal and insurance cases

Weather Industry Consulting - increases market share and profits

Weather and Climate Analysis - yields informed business decisions due to the impact of weather and climate

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Ellis Litigation Support (ELS) is headed by Dr. J. Nigel Ellis a leading authority on fall protection. Dr. Ellis has more than 35 years of safety engineering experience. Based upon his unsurpassed experience and knowledge, Dr. Ellis has performed fall hazard assessments in hundreds of facilities and construction sites and has been retained as an expert witness in approximately 1000 fall-related cases nationwide. Dr. Ellis’ participation has led to multi-million dollar settlements/awards in a number of cases and exoneration of defendants in others.

Through his work with OSHA and as an ANSI and ASTM committee member, including providing comments and testimony before OSHA hearings, Dr. Ellis has been instrumental in the development of various OSHA regulations and ANSI standards. Dr. Ellis has written the seminal textbook, Introduction to Fall Protection currently in its third edition and published by the American Society of Safety Engineers and available for purchase on the ELS web site www.FallSafety.com.

Dr. Ellis is a founder and board member of the International Society for Fall Protection and is a frequent speaker at the national conventions of the American Society of Safety Engineers and the National Safety Council. Dr. Ellis also is a published member of the National Academy of Forensic Engineers and is a regular contributor to Compliance Magazine and the Greyhouse Safety Directory.

ELS also draws upon its sister company, Ellis Fall Safety Solutions (EFSS), to offer expertise in a wide range of engineering related matters.

ELS Areas of Expertise:

Fall Protection – all areas where fall hazards exist

OSHA, ANSI and related building codes, standards and regulations

Ergonomics/Human Factors

Structural Engineering

Slips, trips, friction co-efficients

Hunter’s Tree Stand Cases

Confined Space Rescue

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Dr. Daniel W. Vomhof, Ph.D. is a Certified Accident Reconstruction Specialist with specialized knowledge in Traffic Signal Timing. Dr. Vomhof has been a full time reconstructionist since 1992. He has been engaged in over 20 cases to determine the signal sequencing in “who had the green?” cases.

Dr. Vomhof has reconstructed over 3,000 accidents and appeared in over 500 trials as a testifying expert witness.

Areas of Expertise:

Traffic Signal Timing related to Vehicle, Pedestrian, and Motorcycle Accidents

Reconstruction of Vehicle, Pedestrian, and Motorcycle Accidents

Pedestrian / Facility / Walking Surface Interactions

Measurement and Evaluation of Lighting as it Affects Perception of Hazards

Measurement and Evaluation of Sound Levels

Documentation of Vehicle Evidence and Scene Conditions through Photography and Measurements

Preparation of Scale Scene Diagrams / Exhibits for Use in Depositions, Arbitration Hearing, Trial

Reanalysis of Blood and Urine Samples for Alcohol, Typing of Blood Samples

Review of DUI Arrest Reports for Determination of Driving Behavior

Dr. George Govatos has provided Engineering Analysis for attorneys, both plaintiff and defense, and Engineering Design / Analysis for public and private clients for over 27 years. He also lectures in the fields of Accident Reconstruction and Collision Analysis, Highway Safety, the mechanics of whiplash, structural collapse, and engineering aspects of product liability.

Dr. Govatos uses the quantitative methods of mathematics and physics to provide investigative and analytical services to private individuals, attorneys, insurance companies, corporations and governmental agencies to determine causative factors. He is a Registered Professional Engineer in Delaware, Maryland, and Pennsylvania, and has personally investigated over 1700 cases. Through his education, training and experience, Dr. Govatos has been accepted as an expert in Federal and State Superior level trial courts.

Forensic Work:

Vehicular Accident Reconstruction

Product Defects

Structural Failures

Building Code Analysis

Drainage and Flooding

Construction Claims

Road Design

Traffic Analysis Structural Design

Design of Sanitary, Storm Water Pipelines, Pumping Stations

Hydraulic Network Distribution Analysis

Building Inspections

Environmental Studies

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Firm Profile: Global Technology Experts is a leading engineering and scientific consulting firm providing solutions to complex technical problems. We have been in the engineering and scientific consulting business since 1996, offering our clients an array of experts that spans virtually all engineering and scientific disciplines. We provide a wide array of services, ranging from accident reconstruction and failure analysis, specifically product liability, personal injury, and slip/fall cases, metallurgical research, and investigations involving aerospace and automobile products, including bicycles, to electrical failures including battery, motor & generator.

Areas of Expertise:

Electrical Failures Motor/Generator Failures Battery Failures Accident Reconstruction Tire Defects Machinery & Equipment Failures Construction Equipment Failure

Aircraft Engine/Structural Failure Structural Engineering Mechanical Metallurgy/Materials Failure Fatigue & Corrosion Product Failure Analysis Bicycle, Ladder, Slip/trip & fall Building Construction & Defect Analysis

Education: We have highly experienced and qualified staff:

PhD, Engineering Science & Materials, Virginia Tech

PhD, Electrical Engineering, Georgia Tech

PhD, Mechanical Engineering, Auburn University

BS, Structural Engineering, Century University

BS, Civil and Construction Engineering, Kansas State University

BS, Mechanical Engineering, S.U.N.Y., Buffalo, NY

MBA, Technology Management, Florida Institute of Technology

Certifications:

PE – Registered Professional Engineers

CMfgE – Certified Manufacture Engineer

Professional Affiliations:

Southern Law Association

Atlanta Claims Association

American Society of Mechanical Engineers

Institute of Electrical and Electronics Engineer

American Society of Civil Engineers

American Society of Materials

American Society of Nondestructive testing

American Welding Society

American Society of Testing Materials

Society of Aerospace, Materials and Process Engineers

Principals:

Dr. Ash Thakker, PhD, PE, FASM,FSME, CMfgE (Structures, Materials, Fatigue, Fracture, Composites, Damage Tolerance)

Mr. George Kremer, BSME, AAS (Metallurgy, Corrosion, Coatings and Mechanical Failures)

Dr. Nicholas Propes, PhD (Electrical Machinery Failures, Maintenance Systems, Testing and Analysis)

Dr. Freeman Rufus, PhD (Battery/Motor/Generator Failure)

Dr. Seungkoo Lee, PhD (Electrical System,)

Dr. Jyoti Ajitsaria, PhD (Mechanical Failures)

Mr. Mike Healy, BS (Civil, Construction Engineering, Buildings)

Mr. Ralph Cunningham, BS (Physical Testing, Accident Reconstruction)

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Ray Helmer is a Licensed Professional Engineer in the states of Texas, Oklahoma, Alabama and Ohio. He is available to perform Expert Witness Services in all 50 states.

At present, Mr. Helmer enjoys working in depth on Water & Wastewater cases such as: water supplies, toxic contamination, industrial pollution, water intrusion, and flooding.

Areas of Expertise:

Civil, Structural and Forensic engineering

Highway engineering, roadways, sight distance

Concrete and Asphalt Pavements

Highway / Street lighting

Traffic engineering, signals, signs, striping

Traffic noise studies

Accidents – automobile, train, motorcycle, pedestrian

Traffic accident testimony involving city / County / State DOTS

Hydraulics, hydrology, drainage, flooding

Sanitary engineering, sewers, overflows

Water treatment, distribution, pumping

Water disinfection byproducts (DBPs)

Wastewater treatment plants, lift stations

Soil expansion, contraction, settlement

Foundation failure, structural damage

Plumbing, leaks, water intrusion

Airports, FAA standards, runways, taxi ways, ramps

Bridges, buildings, corrosion, concrete cracking

Construction defects, fraud, accidents, delays, estimates

Traffic Engineer Expert Witness / Motor Vehicle Accidents

EDUCATION:

Undergraduate - UCLA (1967)

Graduate - Yale University (1968)

SPECIALTY:

Traffic accidents - maintenance, design, geometrics, controls, signage, sight distance, parking, motorcycle, bicycle, pedestrians, governmental agency procedures

Over 100 cases since 1979

Largest settlement $2,000,000 in solo vehicle accident case against Caltrans

FORMER EMPLOYMENT:

Los Angeles County Road Department

Riverside County Road Department

City of Irvine

Federal Highway Administration

Nik Ellis, Managing Director of Laird Assessors, specialises in Accident Investigation Services, providing quality independent, comprehensive reports to the insurance and legal industries, examining vehicles and accident sites throughout the UK. Mr. Ellis comes from an Engineering Background having served eleven years in the Crash Repair Industry prior to moving over to consultancy work in 1997. Laird Assessors is now one of the market leaders in thier field, with staff engineers covering all major cities and counties throughout England.

In the last twelve months alone, their highly experienced engineers have examined over £75 million worth of vehicles. All of their engineers are members of either the Institute of Automotive Engineering Assessors or the Institute of the Motor Industry but normally both, amongst a host of other qualifications, and are fully conversant with Audatex, Glassmatix and most other estimating systems.

As expert witnesses, their reports comply fully with Civil Procedures Rules. They regularly support their contents in County, Magistrates and Crown Court and are often instructed as a Single Joint Expert. Laird Assessors aims to provide an independent, honest and clear report backed by technical accuracy.

Services Offered: Laird Assessors prides themselves in the rapid but accurate turnaround from your initial instructions to the final completed report. Typically they will contact your client within one hour of instruction, examine the vehicle anywhere in the UK within 48 hours and produce a full colour comprehensive report within 24 hours of examination.

Accident Damage Reports

Accident Reconstruction

Causation

Diminution in Value

Fraud Investigation

Locus Reports

Repair Authority

Salvage

Video Imaging

Crash Group at Robson Forensic

The crash group at Robson Forensic consists of Experts in Crash Reconstruction, Vehicle and Highway Engineering, as well as Commercial Trucking and Fleet Operations. We have experts who specialize in all types of vehicles, including trucks, buses, motorcycles, trains, bicycles, and forklifts. When appropriate, the Crash Group is supported by specialists in disciplines that impact vehicle crashes such as conspicuity, lighting, meteorology, biomechanics, human factors, and dram shop.

Our Crash Group consists of more than 20 experts across 17 locations. Please contact one of our experts directly to discuss your case and determine which of our experts is most appropriate to assist with your matter.

Thomas P. Lacek, P.E.
Crash Reconstruction & Occupant Kinematics

Tom can piece together a vehicle from start to finish: the brake system, transmission, shocks, engine, power steering, air conditioning, fuel systems. He has 30 years experience in automotive engineering with expertise ranging from used and new vehicles to antiques and classics. His vehicle expertise also includes areas of product liability, specializing in engine, transmission, ABS, sudden acceleration, brakes, steering, suspension, seat belt, air bag and other vehicle failures. Tom is a Professional Engineer, a member of the Society of Automotive Engineers, and the Association for the Advancement of Automotive Medicine and is ASE certified. View Curriculum Vitae

Erin M. Shipp, P.E.
Heavy Truck & Bus Engineering

Erin brings more than 35 years experience designing, testing, and building heavy trucks, buses, motor homes and passenger vehicles. Specializing in vehicles as small as the Chrysler Pacifica and as large as Thomas Built Buses and Freightliner trucks; Erin's experience includes engines and emissions; chassis; bodies and sleeper boxes, including handicap accessibility; as well as overall structural stability for crash performance. Erin is a Professional Engineer with experience testifying in heavy truck cases. View Curriculum Vitae



Erin B. Higinbotham, P.E.
Motorcycle & ATV Expert

Erin is a two-time national champion with the American Motorcyclist Association. He has more than 30 years experience with operation, maintenance and design of motorcycles and ATV's. As a Project Engineer for the Automotive Testing Laboratories and TRC Inc., he completed federal regulatory testing on motorcycles and ATVs. He has completed contract testing for several US and foreign motorcycle manufacturers. Erin has completed plaintiff and defense casework across the United States and Canada. View Curriculum Vitae