Mary E. Ahern, P.E., - Specializes in Traffic Engineering and Traffic Signal System Design and Optimization. As an Expert Witness, Ms. Ahern has experience in determining causes of vehicle accidents, investigating pavement markings, assisting in case direction and traffic solutions, preparing sight distance calculations and accident site photography analysis. She also teaches traffic engineering and geometrics as an adjunct instructor for Northwestern University.

Areas of Expertise:Red Light Cameras

Traffic Engineering Traffic Counts Traffic Warrant Studies Traffic Signal and System Design Video Vehicle Detection Audible Pedestrian Signal Design Emergency Vehicle Preemption Design Accident Analysis

Red and Amber Clearance Interval Calculations Accident Site Photography Accident Site Video Production Sight Distance Calculations Dilemma Zone Issues Procedure Development Sales Roadway Design

Steven P. Viani, PE has over 35 years of Engineering and Construction experience, including senior level positions in construction, consulting and government entities. He has managed, directed or performed projects ranging from $3000 Phase 1 Preliminary Site Assessments to $20 Million site remediations, including many large and significant environmental and geotechnical construction projects. Over 15 plus years, Mr. Viani has managed business units or departments with total P+L responsibility and staff management up to 35 people. He has developed various submittals including Storm Water Pollution Prevention Plans, Work Plans, Safety Plans, Erosion Control Plans as well as technical submittals, and has worked nationwide and internationally in Asia and Europe. Mr. Viani is available for Litigation Support, Depositions and Expert Testimony.

Projects have included Superfund Sites, slope failures, buildings, waste water treatment plants, slurry walls, soil mixing, jet grouting, other hazardous waste sites, tunnels, bridges, offices, and military construction.

Services & Areas Expertise include:

• Construction Disputes
• Project Management and Construction oversight
• Cost Estimating, Scheduling and Claim Preparation
• Forensic Engineering
• Waste Treatment
• Hazardous Waste Engineering and Construction
• Earth Retention Engineering and Construction
• Geotechnical and Foundation Engineering / Construction

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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.

B.E.C. Consulting, LLC was established in 1982. Since that time, we have provided top-level consulting engineering services and accident reconstruction to our clients; law firms, insurance companies, state and local agencies, manufacturing companies, and clients who are seeking product design analysis and other engineering related services.

Our engineers represent a broad range of engineering disciplines which enables us to work on a variety of cases using the team approach. The teams at B.E.C are comprised of Engineers, Technical Specialists, Graphics Specialists as well as Research and Administrative Personnel, so that each case is given personal attention and is handled efficiently and effectively. We are located in Tallahassee, Florida, but are active in AL, GA, MS, TN and SC. We have worked in almost every state in the United States, including Alaska.

Areas of Expertise:

All Areas of Accident Reconstruction

Failure Analysis

Product Design

Product Development

Product Delivery

Material Handling System

Computer Animation, Electronic Graphics and Video Reenactment

Every aspect of our firm is designed to serve our clients needs; conference rooms for mediations and depositions, a research and testing lab, secured evidence storage, facilities for expert inspections, and easy access to airport and hotel facilities for our out-of-town clients. We are truly a full service engineering firm.

Because of this team approach and a commitment to customer service, B.E.C. has attained regional and national recognition as a leader in forensic engineering services and new product development. This excellent example and tireless dedication to serving our client’s needs has resulted in a devoted client base and reputation second to none.

Dr. Charles Benedict, P.E. founded Benedict Engineering Company in 1982. He has over 35 years experience in the fields of product and machine design and analysis, vehicular accident reconstruction of all types, and product and system failure analysis. He has designed, developed, manufactured, and tested more than sixty different products and machine systems. Dr. Benedict is well respected in the fields of forensic engineering, product and machine system design and analysis and patenting.

Expertise:

Biomechanics Occupant Kinematics Vehicle Restraint Systems Vehicle Controlability Material Handling Patent Infringement

Automobile Accidents Pedestrian Accidents General Engineering Product Design Fire and Explosion Analysis Tractor / Trailer Accidents Electrical Issues

Dr. Jim Dobbs, P.E. is a principle in the organization and has been practicing forensic engineering for the past 12 years. He was a design/development engineer at General Electric for a decade prior to coming to BEC Consulting. He has extensive experience in product development and design and hold several patents. He is nationally known for metallurgical failure analysis and accident reconstruction. He has particular experience and knowledge with motorcycles and tractor-trailer accidents.

Expertise:

Metallurgy Medical Devices Railroad Accidents Seat Belts and Airbags Seatback Analysis Automobile Accidents

Pedestrian Accidents General Engineering Product Design Slip / Trip / Fall Tractor / Trailer Accidents

Dr. Brian Pfeifer, P.E. is also a principle with BEC Consulting, and has been practicing forensic engineering for over 15 years. He holds several patents on roadside safety devices and studied roadside safety at the University of Nebraska. He has considerable knowledge about maintenance of traffic plans and traffic engineering. He is equally knowledgeable about accident reconstruction, especially involving tractor-trailer accidents.

Expertise:

Roadside Hazards Vehicle Controllability Occupant Kinematics Roadway Design Guardrails and Bridges Biomedical Engineering

Automobile Accidents Pedestrian Accidents Tractor / Trailer Accidents Slip / Trip / Fall Product Design General Engineering

Dr. Ying Lu

Expertise:

Biomedical Analysis Occupant Kinematics Injury Causation Low Speed Accidents Recreational Injury Sports Injury General Engineering

Accident Reconstruction Pedestrian Accidents Bicycle Accidents Slip / Trip / Fall Product Design Ergonomics Human and Environment Interaction

Mrs. Traci Campbell, P.E.

Expertise:

Industrial Accidents Safety Analysis Product Design / Failure Analysis Slip / Trip / Fall Guarding / Warnings Workplace Safety Bicycles

OSHA Regulations Pedestrian Accidents Automobile Accidents Tractor / Trailer Accidents Fire and Explosion Theme Parks Airbag and Black Box General Engineering

Mr. Chris Yates, P.E.

Expertise:

Black Box Analysis Motorcycle / Bicycle Mechanical Design Product Guarding Design Fire and Explosion Seat Belt Analysis

Automobile Accidents Pedestrian Accidents General Engineering Product Design Tractor / Trailer Accidents Slip / Trip / Fall

Donan Engineering Co., Inc., a family owned company founded in 1947, provides full-service Forensic Engineering and Fire Investigation Services. For over 60 years, Donan Engineering has been providing unbiased answers to their client’s complicated questions. Their team of licensed and experienced forensic experts provides investigative services in the fields of engineering investigations, fire and explosion origin & cause, roofing investigations, and component testing. The diversity of their multidisciplinary staff allows them to provide not only a complete service, but a complete service whose conclusions can be successfully and completely supported.

Donan Engineering has become a richly diverse, industry leader with over 190 employees operating from 36 offices in 19 states including Alabama, Arkansas, Florida, Indiana, Illinois, Iowa, Kansas, Kentucky, Michigan, Mississippi, Minnesota, Missouri, Ohio, Tennessee, Wisconsin, Georgia, North Carolina, South Carolina, and Pennsylvania. Throughout their growth, Donan Engineering has maintained their commitment to providing exceptional customer service, unparalleled quality, unmatched integrity, and timely reporting. Most importantly, they pride ourselves on delivering their clients quality services at an affordable price.

Services Include:

Engineering Investigations
Bridges Foundations and Basements Geotechnical / Sink Holes Lightning Low and High Voltage Mechanical Systems Retaining Walls	Steel Construction Trusses Vehicle Mechanical Studies Vibrations: Earthquakes and Blastings Water Infiltration / Mold Wood Frame Construction
Fire / Explosion Origin and Cause Commercial Fires Equipment Fires Vehicle / Residential Fires	Roofing Investigations Commercial Residential - Asphalt Shingle Residential - Slate, Tile, Etc.
Heavy Trucks Motorcycles	Passenger Vehicles

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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Dr. Barzegar is a registered Professional Engineer with 25 years of experience as a Civil/Structural Engineering & Forensic Consultant, Construction Project Manager and Educator. He has been retained by insurance companies, law firms, construction, high-tech, mining and manufacturing industries, governmental and educational institutions, engineering and architectural firms, and individuals. He provides services to insurance companies, defense counsel and plaintiff attorneys.

AREAS of EXPERTISE

• Expert Consulting & Witness; Insurance Claim, Legal Support, Peer Reviews

• Buildings, Structures & Materials: Residential, Commercial, Institutional & Historic; Bridges, Towers, Stacks/Chimneys, Containment Vessels, Grain Silos, Conduits & Pipelines, Retaining Walls, Foundations, Slabs & Pavements; Concrete, Steel, Composite, Wood, CMU, Brick Masonry & Adobe

• Design, Construction, Performance, Repair & Retrofit Issues

• Construction Defects & Accidents; Defective Concrete; OSHA Standards

• Code Compliance; Seismic Resistant Design; Errors & Omissions; Standards of Care

• Damage & Failure Investigation; Due Diligence; Non-Destructive Testing; Analysis/Report

• Vibration, Explosion, Impact, Earthquake, Wind, Fire, Hurricane & Flood Damage Investigations

• Pile Driving & Demolition Damage to Adjacent Facilities; Cracking & Settlement

• Dynamic, Stress & Thermal Analysis; Finite Element Method; Product Design; Failure Simulation/Reconstru

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

Dennis E. Wilson has over forty years of experience in Land Planning, Civil Engineering, and Land Surveying. His company, Horizon Consulting Service, specializes in Entitlements, In-Fill Projects, Civil Engineering, and Land Planning and Design for commercial, industrial and residential properties. Mr. Wilson works on both private and governmental projects.

As an Expert Witness, Mr. Wilson has participated in property line disputes, condemnation resolutions and land use issues.

Professional Memberships:

American Planning Association

Past Chair of Land Use Committee, National Association of Home Builders

Past Chair Land Use & Government Affairs, California Building Industry Association

Past Chair of BIACC PAC

Past Chair/Current Member on Land Use & Transportation Committee, Modesto Chamber of Commerce

Keystone Engineering Consultants, Inc. is a multi-discipline, broad-spectrum firm providing comprehensive and qualified forensic engineering, architecture, scientific, and fire/arson investigation expert services to the legal community, insurance industry, and the public and private sectors.

A professional evaluation by any of our 40+ professionals and consultants can help solve problems in a cost-effective way. We listen to the needs of our clients and offer unbiased, ethical, and professional opinions backed by education, experience and scientific testing.

We are available for consultation and review of the factual information involved with a case to determine the worthiness of the matter prior to committing to a full investigation.

Areas of Expertise / Practice Include: Accident Reconstruction; A/E Professional Liability; Amusement Park Rides; Aviation Issues; Biomechanics; Blasting, Quarry and Construction Explosions; Building Condition Assessments; Chemical, Civil, and Electrical Engineering; Geotechnical, Industrial, and Mechanical Engineering; Structural Engineering; Commercial Claims; Construction Accidents/Disputes/Failures; Electrical Systems and Controls, Electrocutions and Shocks; Elevators & Escalators; Environmental Issues; Fire, Explosion and Arson Investigations; Fire Prevention; Forensic Architecture; Hazardous Materials; Health and Safety Issues; Heating, Ventilation and Air Conditioning; Human Factors; Indoor Air Quality and Mold Investigations; Industrial Safety, Ladders and Scaffolds; Machine Guarding and Safety; Material Failure Analysis; Motor Vehicle Crashes; Non-Destructive Testing; Playgrounds, Parks, Health Clubs and Recreational Facilities; Personal Injury; Premises Liability; Product Liability; Property Damage; Roadway Design Issues; Slips, Trips and Falls; Subrogation; and Toxicology.

Offices serving Pennsylvania, Ohio, West Virginia, New Jersey, Delaware