Pedestrian Expert Witnesses: 6

Areas of Expertise: Accident analysis, testimony and mediation in vehicle and pedestrian accidents involving transit, paratransit, schoolbus, motorcoach, special education, non-emergency medical transportation, taxi, shuttle, child transport systems and services; slips and falls; crossing, boarding and alighting; wheelchairs; seatbelts; ADA and accessibility; passenger safety, security and sexual abuse; vehicle design, specification, crashworthiness, quality assurance and product liability; industry standards and practices; driver training and vehicle operation; management, monitoring, supervision and enforcement; maintenance; NHTSA, FTA, FMCSA and USDOT regulations; vehicle testing and certification; contract negotiation and compliance; risk management; planning and system design.

The Firm: Transportation Alternatives is a passenger transportation and automotive consortium engaged in consulting and forensic accident investigation and analysis (more than 600 cases). Specializes in elderly, disabled, schoolchildren. 

Education: MURP (Urban and Regional Planning): George Washington University, 1975 BA, English Literature: Rutgers University, 1969 

Professional Experience:

• President, Transportation Alternatives (1980 to present). Consulted to USDOT, transit agencies, private contractors, social service agencies, municipalities and school districts. Designed several major transportation systems
• Chairman/General Manager, PTS Transportation (1982-1992). Directed operations of a 70-vehicle paratransit system for physically and developmentally disabled individuals and a non-emergency medical transportation (NEMT) service
• President, TAM-USA (1989-1995). Formed and directed a U.S.-Slovene joint venture company which coordinated the design, testing, certification and marketing of a European-manufactured school bus and motorcoach. 

Appointments and Memberships:

• American Public Transportation Association
• National Association of Pupil Transportation
• United Motorcoach Association
• American Bus Association
• Community Transportation Association of America
• Association Internationale pour la Sécurité du Transport des Jeunes
• National School Transportation Conference (1995, 2000, 2005)
• Committee on School Transportation Safety, National Academy of Sciences
• Bus Industry Safety Committee (ABA)
• Access Committee (APTA)

Kristopher J. Seluga, PE, is a Mechanical Engineering, Accident Reconstruction, Biomechanics, and Safety Expert with over 20 years of experience. He received his Bachelor’s and Master’s degrees from the Mechanical Engineering department at MIT where he worked on the development of novel three-dimensional printing technologies.

Mr. Seluga is also a licensed Professional Engineer in New York and Connecticut, and has served as a member of the ANSI engineering committee for the Z130.1 and Z135 standards for golf cars and PTV’s. His research interests and peer reviewed publications span the topics of Motor Vehicle Dynamics, Product Safety, and Biomechanics.

Litigation Support - Mr. Seluga has been working as a forensic engineer at Technology Associates since 2001. He has investigated 100s of accidents for both plaintiffs and defendants. Mr. Seluga has been qualified to testify as an expert in state and federal court and is experienced in testifying in depositions and trials. He has successfully defeated Daubert / Frye challenges and can prepare and explain compelling exhibits at trial.

Areas of Expertise:

Donald L. Hess, President of DLH Associates, Inc., has been providing expert witness services to attorneys and other clients, including Analysis of Vehicle Crashes since 1996. His specialty is crashes involving Commercial Motor Vehicles, including trucks, tractor-trailers, and buses.

With two million miles of safe cross-country trucking experience, followed by over 25 years as a driver trainer and creator / administrator of commercial driving programs, Mr. Hess is well-qualified to provide analysis of what drivers are trained to do in specific situations and circumstances, what federal and state regulations call for and require, and all aspects of the safe and proper operation of commercial motor vehicles. As a motorcyclist with over 45 years of riding and training experience, he is also qualified to comment on accidents involving motorcycles.

Mr. Hess has been nationally recognized as a leader in safety and training issues, is a winner of the American Trucking Associations Million Mile Driving award,and was a recipient of the Truckload Carriers Association Lee Crittenden award. Over his long and successful career in trucking and education, he has held numerous national board and officer positions in trucking and education.

Litigation Support - Mr. Hess is uniquely qualified to analyze and comment on driver behavior in virtually any situation,and has established a solid reputation as an expert witness in crashes involving trucks and commercial vehicles for both Plaintiff and Defense in over 500 hundred cases across the country since 1996. His experience includes significant deposition and trial testimony.

He possesses a unique combination of training, hands-on experience, and education that combine to position him as a leading expert in all facets of trucking. Mr. Hess still maintains a valid, current Commercial Driver License fully endorsed for Combination Vehicles, Doubles-Triples, Tankers, Hazardous Materials, Motorcycles, and Buses. He also holds a USDOT Medical Exam Certificate. His CDL and medical certificate have been maintained without interruption or fault since 1971.

Areas of Expertise:

View Donald L. Hess' Consulting Profile.

Carl Berkowitz, PE, Ph.D., AICP, is a Transportation and Traffic Engineering expert with almost 50 years of expertise. He's held various managerial and administrative positions in the transportation industry, government, private, and academic sectors.

Dr. Berkowitz has extensive multi-modal experience in planning, design, engineering, safety, security, construction, maintenance, operations, and management. He has written and edited numerous reports, studies, articles, and columns for major publications, journals, newspapers and scholarly periodicals.

Background Experience:

• Transportation and Traffic Engineering Consultant, 1988 - Present
• New York City Department of Transportation, New York, 1970 – 88
• New York State Office of Planning Coordination, New York, 1967 - 70
• New York State Department of Transportation, Babylon, NY, 1963 - 67
• New York City Transit Authority, New York, 1962 - 63

Litigation Support - Dr. Berkowitz has served as a litigation consultant since 1997.  He has the background and experience to make him ideally suited to contribute important information at every stage in the litigation process. Dr. Berkowitz is able to explain complex issues in layman terms, suggest strategies, investigate and uncover facts, perform literature reviews, research, and prepare safety evaluations. He has been deposed / testified over 50 times in the last 5 years.

Christopher J. Kennedy holds a BS in Industrial Engineering and is an ACTAR-accredited Accident Reconstructionist with EIT and AEP credentials. He integrates engineering analysis, EDR data interpretation, UAV-based mapping, and human factors evaluation to reconstruct collisions, assess visibility, and quantify perception response. His work relies on validated measurement, objective modeling, and data-driven engineering principles to deliver clear, defensible forensic conclusions.