Aaron (Al) Duncan II, ACTAR, is a Vehicle Collision Reconstructionist with Warren. He is accredited as a Traffic Accident Reconstructionist by The Accreditation Commission for Traffic Accident Reconstruction.
Background Experience - Prior to joining Warren, Mr. Duncan worked for 23 years as a South Carolina Highway Patrol Trooper to include 10 years as a Multi-Disciplinary Accident Investigation Team (M.A.I.T.) member. As a trooper, he investigated in excess of 1,000 vehicle accidents and incidents. Then, as a member of M.A.I.T. for 10 years, he was involved in over 1,000 detailed investigations and collision reconstructions. Mr. Duncan is a member of the South Carolina Association of Reconstruction Specialists (SCARS), the International Association of Accident Reconstruction Specialists (IAARS), and the Blue Knights International Motorcycle Group. He holds a Bachelor of Science Degree in Political Science from Lander University in Greenwood, South Carolina and completed the Law Enforcement Basic Program at the South Carolina Criminal Justice Academy in Columbia, South Carolina.
Mr. Duncan has testified multiple times in state courts and he has been court qualified as an expert in accident investigation and collision reconstruction. His expertise focuses on investigating and reconstructing vehicle collisions involving single and multi-vehicles, animals, pedestrians, motorcycles, heavy trucks, and commercial vehicles. Mr. Duncan is also a skilled user of Forensic Mapping Technology and Computerized Collision Diagramming Software for collision scene analysis. He is experienced in the data download and analysis of airbag black boxes (Crash Data Retrieval Units) in automobiles, pickup trucks, and SUVs.
Areas of Expertise:
Level 1 FMCSA inspections Commercial Motor Vehicle (CMV) post crash inspection CMV crash investigation Driver qualifications Safety Programs Trucking industry standards Cargo-tank truck incidents CMV loading/Off-loading cases (van, cargo-tank, flatbed) CMV wreck involving hazmats Loading rack explosions/disasters Litigation support Trial preparation consulting Courtroom testimony Commerical vehicle accident investigation NIMBY hazmat Highway construction zone incidents CMV loading and offloading investigation Level 1 FMCSA audits Load securement incidents
|New Jersey Office:|
PO Box 185
Blairstown, NJ 07825
P.O. Box 44
Specncer, TN 38585
Regularly working in OH, PA, MI, NY & nearby states.
James D. Madden PE has over 40 years of experience as an Engineer including 17 years of Engineering Design, Industrial Operations, and Construction assistance, and 30 years of Forensic Engineering experience. James D. Madden's background includes the application of mechanical and chemical engineering research, industrial operations, equipment design, and facilities design with emphasis on Safety Analysis, Safety Design, and Safety Operations. James D. Madden's Forensic Experience has been based on principles of mechanical and chemical engineering and the principles of:
Accidents Investigated by James D. Madden include:
James D. Madden has worked over 30 years as a forensic engineer. In this time, James D. Madden has prepared over 600 written expert reports, and over 60 expert affidavits with technical content in response to motions. James D. Madden has provided testimony in over 90 discovery depositions and has testified in over 75 trials in local, state, and federal courts in several states. James D. Madden's services initially include consultation, on-site investigation, inspections, data collection, and preliminary evaluation. In addition, James D. Madden also provides calculations, testing, research, accident analysis, equipment and facilities analysis, accident and crash reconstruction, and verbal and written expert reports. James D. Madden's expert witness testimony is available for depositions, arbitrations, hearings, and trials.
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
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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: