Richard D. Curtis, PE, is a Professional Engineer, Consultant, and Technical Expert with 40 years of significant contributions in the Freight and Passenger Vehicle Transportation industry. His experience includes design, development, procurement, leasing, operation and maintenance of locomotives, freight cars and rail passenger cars (intercity, commuter, transit & light rail). As a technical consultant to MBTA, CTA, NYCT, WMATA, Phoenix Valley Metro, NICTD, UTA, BART, CALTRANS, IDOT, and many more, Mr. Curtis has provided technical expertise in an oversight role to:
Mr. Curtis has also been responsible for industry leading innovative design and development on Double Stack Intermodal Cars, Auto Rack Technology, RoadRailer®, Unit Train Coal Cars, Covered Hoppers, and Heavy Duty Special Purpose Cars.
Litigation Support - As an expert witness with an MS degrees in engineering, his years of experience, and diversified background Richard Curtis offers a unique perspective to his clients. His services are available to insurance companies and attorneys representing both plaintiff and defendant. Mr. Curtis' services include site inspection, written reports, depositions, and trial testimony as needed.
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Christina Comisarek has over 40 years of experience in and around the Transportation industry, 25 of which have been spent driving over 2 million miles accident free. She is a Certified Director of Safety, Certified Driver Trainer, and has managed a small trucking business for over 10 years. Ms. Comisarek serves as a Transportation Consultant, Driver Safety Trainer, and Expert Witness.
Background: Ms. Comisarek gained first-hand experience, good business sense, and a strong, solid work ethic working for her family's two businesses. Over the years, she's had a variety of roles in the transportation industry, such as loading and unloading, local deliveries, linehaul, school bus driving, driver / safety training, and managing a small trucking company. Ms. Comisarek continues to drive part-time to stay current in the industry. She takes every opportunity to enhance her skills and background, either through first-hand experience or by attending courses such as Accident Investigation.
As a Consultant, Ms. Comisarek assists trucking companies in areas such as streamlining their operations, risk management situations, driver recruitment and retention, and Employee handbooks. Her Safety Training is done either in the classroom or on-site currently, and soon will be offered online.
As an Expert Witness, Ms. Comisarek has worked with top expert witness firms and is pleased to currently be working with NECSC, LLC, providing sound consultation to attorneys through report writing, depositions, and successful trial appearance.
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D. Larry Dunville has over 35 years of Overhead Crane experience. Mr. Dunville has built, installed, engineered, estimated, sold and serviced overhead bridge cranes. He has sat on the industry committees that wrote the crane specs for the steel industry, written articles, and taught professional architects and engineers about the special requirements to be aware of when designing buildings that will house overhead cranes. Larry was formerly the Executive Director of the Crane Certification Association of America and is currently on the ASME/ANSI B30.2 Overhead and Gantry Cranes Committee.
Mr. Dunville served as the Owner/President of Dearborn Crane & Engineering Co., a builder and installer of overhead cranes and crane runway systems, from 1975-2012. He was also the former Owner/President of Xcel Computer Systems, a CAD/CAM systems integrator. Mr. Dunville is currently the Owner/President of Digital Industrial Marketing, LLC (2014 to present) and Overhead Crane Consulting, LLC (2016 to present).
Larry speaks on crane safety, crane inspection and runway design. In the last year he has spoke to, AIST (American Institute of Steel Technology), CCAA (Crane Certification Association of America), CMAA (Crane Manufacturers Association of America) and FEWA (Forensic Expert Witness Association).
D. Larry Dunville's Video Introduction
Litigation Support - Larry Dunville offers expert witness services in crane cases involving industrial, manufacturing, and warehousing facilities, as well and power plants. His expertise is available to counsel representing both Plaintiff and Defendant.
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|Overhead Crane Arizona Office|
3606 N. Larrea Lane
Tuscon, AZ 85750
|Overhead Crane Michigan Office|
12666 Highland Shore Drive
Sawyer, MI 49125
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
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.
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