4CA Consulting & Reconstruction is a General Accident Reconstruction Company, providing Expert Services in the field of Accident Reconstruction, including:

• A complete an unbiased accident investigation, using the latest investigative means such as Crash Data Retrieval & Analysis.
• Crash Scene Analysis and Documentation: Vehicles, light trucks, motorcycles.
• Seat Belts and Child Safety-Seats usage analysis
• Occupant injury kinematics, speed determination, time - distance, drag factor with use of Vericom Vehicle Computer System.
• Traffic Studies.
• Crash Animation / Simulation, Map scenes, Crash Zone, CAD.

About Kevin Forcier: ACTAR Certified Reconstructionist: #2054. Retired from the Pennsylvania State Police in April of 2010 after 25 years of service. Accident Reconstructionist since 1990, last four years as a full time Crash Analysis and Reconstruction Specialist responsible for the coverage of 3300 square miles of Northwestern Pennsylvania. Qualified Expert Witness in the field of Crash Reconstruction and related services.

Richard Stripp, PhD, is a nationally recognized expert in Toxicology providing services in all aspects of a Clinical and Forensic Toxicology. He has served as an expert consultant in 100’s of cases in the field of toxicology and pharmacology for attorneys, investigators, and physicians involved in forensic and clinical toxicological evaluations associated with ethanol, drugs of abuse, prescription medications and chemical exposure.

Dr. Stripp provides unbiased expert case reviews involving drug effect on human performance, toxicity of iatrogenic/ therapeutic agents, lead and other toxic metals, carbon monoxide and environmental/occupational hazards. These services include, impartial evaluations involving drug impairment, overdose, toxic chemical exposure, medical issues associated with drug therapy, poisoning, and the role of drugs, alcohol, or chemical exposure in civil and criminal litigation. This covers a full breath of forensic medical-legal cases including:

• Analytical Toxicology and Laboratory Operations
• Review and Interpretation of Toxicology Reports
• Assessment of Impairment and the Role of Drugs/Alcohol in fatalities, accidental injury, overdose, MVA / DWI / DUI, criminal and civil litigation
• Insurance Claims
• To Serve as an Expert Witness: Experienced in Depositions and Court testimony
  • Forensic Toxicology Case Reviews
  • Litigation Support
  • Workers' Compensation
  • DUI/DWI
  • Drug and Alcohol Effects
  • Pharmacology Evaluations
  • Environmental/Occupational Chemicals & Toxic Chemical Exposure
  • Interpretation of Analytical Results and Drug Testing Cases
  • Continuing Education and Lectures
  • Chemical and Product Safety

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.

Murat Okcuoglu is an Automotive Engineer and Designer with over 30 years of experience. He has worked with most United States and European automotive manufacturers.

Mr. Okcuoglu has invented and developed QuadraDrive, VersaTrak, and various other traction control and all wheel drive systems which went into production on many make and model vehicles including Jeep Grand Cherokee, Ford Mustang Cobra R, Dodge Viper R/T, Buick Rendezvous, Pontiac Aztec, Saturn Vue, Chevrolet Venture, and Oldsmobile Silhouette.

Driving race cars for 40 years, Mr. Okcuoglu has tested and developed vehicles with all major U.S. and most European manufacturers and manufacturers' on proving grounds around the world. He has unparalleled experience on both the hands on and academic aspects of automotive engineering and vehicle systems.

Mr. Okcuoglu has produced several publications and papers and has been awarded 9 U.S. and over 7 foreign Patents. He currently works as an independent consultant, doing research mostly on Vehicle Dynamics and Electronics.

Litigation Support - Murat Okcuoglu provides expert witness services to attorneys representing both plaintiff and defendant. His experience includes approximately 70 depositions and testimonies in Federal and State courts. Mr. Okcuoglu's services include site review, thorough reporting, depositions, and trial testimony as needed.

Areas of Expertise:

Automotive Research Automotive Design Automotive Testing Automotive Forensic Analysis Automotive Drivetrains Automotive AWD 4x4 design Automotive Transmission Design

Automotive Engine Design Automotive Emission Controls Automotive A/C Design Handling Stability / Skidding Rollover Propensity Electronic Systems & Components (ESC) Autonomus Vehicle Systems

Dr. Richard Collins, Former University Professor of Biomedical and Human Factors Engineering, Professor of Medicine, Professor of Mechanical and Aerospace Engineering. Dr. Collins has Demonstrated Accuracy in Research and Scientific Analysis in Mechanical and Biomechanical Engineering and Regulatory Assessments.

His work has been Extensively Published in National and International peer-reviewed Literature. He is an Internationally recognized engineering and medical expert, having earned his Ph.D. from the University of California, Berkeley. Dr. Collins is qualified as an expert witness in civil and criminal courts.

Areas of Specialization:

Wrongful Death, Medical Malpractice, Medical Device / Product Liability

Head and Spine Injury Cases in Motorcycle, Bicycle Collisions, Protective Helmet Liability

Accident Reconstruction / Failure Analysis - Serious Personal Injury and Trauma

Analysis / Injury Biomechanics: Automotive, Traffic Safety, Aircraft Crashes, Train Crashes, Forklift Turnovers, Elevator Failures, Sports Impacts, Sports, Recreational and Safety Equipment, Sports and Industrial Injuries, Ergonomics, Repetitive Stress Cases, Slips and Falls

Dr. Jeffrey Buckholz is a practicing design engineer with over 40 years of experience in Traffic Engineering, Traffic Signal Timing, Signal Design and Signal Construction. He is also proficient in Pavement Marking Design, Roadway Signing, and Work Zone Traffic Control. Dr. Buckholz has authored 3 national training manuals in signal design, construction and inspection. He is a PE in 6 states: FL, GA, CA, MA, MI, OH and is a Professional Traffic Operations Engineer. Dr. Buckholz has been chief engineer of his engineering company for 30 years and was an Adjunct Professor at the University of North Florida from 2005 through 2007. He has served as an expert witness in over 180 cases.

Past Project Experience:

• Traffic Studies
• Traffic Signal and ITS Design
• Traffic Signal Timing
• Signing and Pavement Marking Design
• Work Zone Traffic Control Design

David B. Spiegler, CCM has more than 45 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

Christopher Gayner is the CEO of Expert Reconstruction Company and has more than 30 years of professional experience with over 1300 Traffic Accident cases involving Automobiles, Trucks, Buses, Trains, Motorcycles, Bicycles and Pedestrians. Mr. Gayner has testified over 300 times in trials, depositions, mediations and arbitrations. He is ACTAR certified and a Member of the Society of Accident Reconstructionists and the Society of Automotive Engineers. Areas of Specialization:

• Accident Reconstruction (Manual and Computer-Aided)
• Human Factors
• Occupant Dynamics
• Bio-Mechanics
• Restraint Systems (Seat Belts & Air Bags)
• Product Defects
• Crashworthiness
• Vehicle & Scene Inspections
• Accident Scene and Vehicle Crush Damage Assessment
• Crash Data Retrieval
• Photographic Documentation and Interpretation
• Expert Witness Testimony
• Neutral Expert Mediation Services

Geoffrey A. Negin, MD is Fellowship Trained in Neuroradiology and MRI. Actively practicing general radiology for over 20 years with fellowship training in Neuroradiology. He is a Senior Member of the American Society of Neuroradiology. Dr. Negin specializes in Injuries and Disorders of the Brain and Spine. He is currently the Director of Outpatient Imaging at Florida Radiology Consultants, a 19 person radiology practice, where he oversees research, clinical trials, and imaging protocols.

Dr. Negin has been performing medical-legal case reviews for over 20 years including matters related to personal injury, medical malpractice, traumatic brain injury and non accidental trauma. Dr. Negin has extensive experience in depositions and trial testimony. He is available to attorneys for both Plaintiff and Defense. References relating to medical expert and trial testimony expertise are available upon request.

Areas of Expertise:

Brain and Spine Imaging Musculoskeletal Imaging Head, Neck and Spine Imaging Musculoskeletal Imaging Personal Injury Imaging Traumatic Injury Imaging

Medical Malpractice Imaging Child Abuse Imaging General Radiology Imaging TBI/Dementia Imaging Standard of Care Injury Causation Assessment

View Dr. Negin's Consulting Profile.

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

Ray Helmer has acted as an Expert Witness and as a consultant to both plaintiffs and defendants and their representing counsel in the resolution of numerous cases. He has been called as a consultant in cases involving insurance companies, utility companies, state highway departments, railroad companies, private companies, and land and commercial developers.

As an Expert Witness/Consultant, Mr. Helmer enjoys a reputation for his rigorous attention to detail and professional expertise. He spends a considerable amount of time inspecting the sites where the alleged instances occurred, taking photographs, preparing detailed surveys, and reports, reviewing witnesses' statements and depositions, and using his professional knowledge and expertise to provide accurate and impartial assessments.

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

James Zender, PhD, is a Clinical and Forensic Psychologist with over 30 years Trauma experience, the last 15 of which he specialized in Auto Accident Trauma Treatment and Care. This involves helping accident survivors cope with physical and emotional conditions such as posttraumatic stress disorder, traumatic brain injury, chronic pain, anxiety and depression. Dr. Zender knows from experience that therapy can help auto accident survivors become more comfortable with their new normal, and from there, move forward on the path to thriving and enjoying life once again.

Dr. James Zender on The Extensive And Often Hidden Mental and Physical Trauma Caused By Auto AccidentsBackground Experience - Prior to private practice, he worked as a clinical psychologist at Providence Hospital and Ypsilanti Regional Psychiatric Hospital. He was the founding director of the Center for the Prevention and Treatment of Psychological Trauma at Detroit Receiving Hospital and University Health Center—one of the premier trauma hospitals worldwide— where he also served as Instructor in Psychiatry.

Dr. Zender has been brought in to evaluate, consult, and train following some of the world’s major traumatic events. While much of his community and disaster work is confidential, the list includes:

• Terrorist Acts, such as Bombings
• Industrial Plant and Community Explosions
• Law Enforcement Critical Events
• Airline Crashes
• Civil War and Mass Refugee Scenarios
• Political Asylum Processes from more than a Dozen Countries in South America, Africa, Asia and Central America

Dr. Zender is the Founding Director of the Center for the Prevention and Treatment of Psychological Trauma at Detroit Receiving Hospital. He is a Member of the American Psychological Association, International Society for Traumatic Stress Studies, Brain Injury Association of Michigan, National Safety Council, International Pain Society, among others. Dr. Zender is also a Contributing Editor for The Forensic Examiner, Journal of the American College of Forensic Examiners. He has also been named in Outstanding Scientists of the 21st Century, 1st Edition and in Outstanding Intellectuals of the 21st Century, 1st Edition.

Litigation Support - Dr. Zender provides Forensic Psychological Services for plaintiff and defense. He Works in the area of accident prevention and promoting transition to autonomous vehicles. Dr. Zender administers Independent Psychological Evaluations for the following:

Post Traumatic Stress Disorder (PTSD) Traumatic Brain Injury (TBI) Auto Accident Trauma Depression Anxiety Psychotherapy

Pain Psychology Family Injury Veterans Addiction Autonomous Vehicles

View Dr. Zender's Consulting Profile.

Timothy W. Monsees, is a partner with the firm of Monsees & Mayer, P.C. For over 30 years, he has focused his practice on litigating complex Personal Injury cases.

Background - Mr. Monsees graduated with honors from the University of Missouri-Columbia School of Law in 1981. He is admitted to practice in Missouri, Kansas and Texas. Mr. Monsees is recognized by Best Lawyers in America, Missouri Super Lawyers, Kansas City Business Journal “Best of the Bar”, and for many years has been recognized by Martindale-Hubbell with an “A/V” rating. He regularly presents at seminars helping to instruct other attorneys on trial practice skills.

Mr. Monsees restricts his practice to representation of injured parties in litigation of product liability, construction & industrial accidents, professional negligence, and medical malpractice. Mr. Monsees’ firm has received national recognition for litigation related to injuries from defective sporting equipment and from defective firearms.

Litigation Support - Mr. Monsees provides expert witness services for counsel representing injured parties. He addresses issues related to rules violations, time limits, discovery omissions, trial strategies, procedure, standard of care, and ethical violations.

Areas of Expertise:

• Legal Ethics
• Legal Malpractice
• Medical Malpractice
• Personal Injury
• Demonstrative Evidence / Exhibits

View Timothy Monsees' Consulting Profile.

Mukul K. Verma, PhD in Mechanical Engineering and Applied Mechanics, brings more than 35 years of industrial, academic and R&D experience to his consulting practice. This extensive experience includes various engineering and management assignments in the development and testing of new automobiles at a major manufacturer of vehicles. He has led the implementation of technical advances in multiple fields of vehicle design and automotive safety, some examples being in areas such as - performance of airbag systems, pedestrian’s protection, car-to-SUV crashes, telematics for crash notifications, post-crash protection, heavy truck rollovers, motorcycle handling, etc. During period, Dr. Verma was additionally appointed by the automobile manufacturers’ associations and other research organizations to lead an international team of experts which then successfully developed engineering solutions to the urgent problem of safety of occupants in passenger cars when involved in crashes with heavier SUVs or pickup trucks.

His recent academic experience has been in the field of sustainable transportation and he has taught graduate courses in mechatronics systems in vehicles and intelligent tire-and-vehicle systems.

Dr. Verma has published more than thirty papers in peer-reviewed journals and at international conferences and has been active in professional organizations as invited speaker, session chairman and organizer. He is well-known for his expertise in Vehicle Engineering and Traffic Safety and his interviews and opinions have appeared in US and in international media on several occasions

Litigation Support – Dr. Verma’s recent litigation-related work has been in two fields:

1. Automotive forensics – accident investigation and product liability evaluation of automobiles. His work includes detailed incident analysis, evaluation of the performance of vehicle and airbag systems, preparation of expert reports, depositions and trial testimony.

2. Intellectual Property – analysis of a patent’s validity and evaluation of infringement claims for complex electromechanical and safety-related components. This includes literature search, prior art, detailed reports on validity & infringement and deposition and trial testimony.

His clients have included automobile manufacturers, large corporations, private citizens and government entities.

View Dr. Verma's Consulting Profile.

Steven A. Eisenberg, FSA, MAAA has 50 years actuarial experience. He offers litigation support nationwide with regard to personal injury and wrongful death economic damages, appropriate mortality, life expectancy (note: population tables, that have not been modified by an actuary for lifestyle, chronic illnesses, family history, result in unreasonably long life expectancies), interest (discount) rates, future increases in income (note: historical experience indicates that wage inflation rates are lower than discount rates). His litigation support also includes life insurance product design and pricing, COI development development and management, compensation, illustrations, administration and management services, policyholder tax issues, and product appropriateness.

Background Experience - Throughout his career, Mr. Eisenberg worked extensively in litigation support as an expert witness including actuarial design, administration and illustration of various life insurance and annuity products, both traditional and non-traditional, universal life (or excess interest products), and both general account and separate account variable insurance products. His expert work includes pricing these products and developing appropriate actuarial assumptions (e.g. mortality and life expectancy, interest and discount rates, agent or broker compensation and expense assumptions).

He is also a co-inventor of several patents dealing with financial derivatives(swaps) relating to longevity and mortality mitigation.

In 1986, Mr. Eisenberg pioneered the development of large case COLI and BOLI and unwind strategies that are still used today. He is a renown expert in designing, developing, and evaluating BOLI and COLI programs for insurance companies, banks, other financial institutions, brokers and litigation clients. This includes developing appropriate actuarial assumptions (mortality and longevity, COI management, lapses and surrenders, expenses, taxes, interest and discount rates, compensation, policy dividends and life insurance company profitability and investment exposure (disintermediation)). He also developed administrative procedures, sophisticated illustration systems (for example, utilization of policy loans and partial surrenders) and insurable interest issues. His expertise includes policy owner tax issues (e.g. Section 264, 7702, 7702A, 1035) and legislative changes. He has evaluated the appropriateness of these products (general or separate account including stable value) for corporate and bank policy owners, including the accounting and financial impact to the policy owners.

Mr. Eisenberg is a Fellow of the Society of Actuaries (1973) and a Member of the American Academy of Actuaries (1975). He has served as an Instructor of Actuarial Science at Georgia State University and delivers lectures and seminars to associations throughout the United States.

His services are offered to clients nationwide.

Litigation Support - Mr. Eisenberg currently provides expert litigation support for all aspects of life insurance and personal injury. He is a renowned expert in:

COLI / BOLI Product Design Assumptions & Contracts Tax History Broker Consultant Third Party Administrator

Marketing and Administration Compensation and Standards of Practice Benefit Funding and Financial Analysis life settlement Loss Determination Personal Injury economic Damages Life Expectancy and Mortality

View Steven Eisenberg's Consulting Profile.

Thomas J. Lepper has over sixteen years of experience as a consultant, inspector and tester within the automotive industry. He has more than ten years of experience as a forensic automotive consultant for nationally known insurance companies and law firms. Mr. Lepper is qualified to testify as an Expert Witness in the Superior Court for the State of California.

Areas of Expertise:

• Tire and Brake Separations and Failures
• Theft and Forced Entry Issues
• Fire Cause and origin
• Transmissions
• SDM Interrogation with CDR Tool
• Steering and Suspension Systems
• Seat Belt and Airbag Issues
• Mechanical Defects
• Throttle / Unwanted Acceleration Issues
• Wiring and Electrical Issues
• Racetrack / Racecar Incidents

Mr. Lepper's forensic, automotive fire, brake and tire expertise has been performed for major nationwide insurance companies, nationally known rental car companies and law firms. Please contact for fee schedules.