DJS Associates Technology

Our Technology

State-of-the-art technology utilized by DJS provides a comprehensive approach for evaluating, analyzing, preparing and presenting our cases.

Learn More…

24/7 Response

24/7 Response

DJS Associates’ Rapid Response Team is available at a moment’s notice to investigate and document a collision or site when needed.

Learn More…

DJS Associates 3D Animations

3D Animations

The ability to accurately replicate and visualize the scene in a 3D world provides the opportunity to evaluate a limitless number of scenarios.

Learn More…



The professionals at DJS share a common commitment to providing honest and accurate assessments, and rendering ethical opinions.

Learn More…


Who is DJS Associates?

For over 50 years, DJS Associates, Inc. has been, and continues to be, a trusted source of quality forensic consulting and litigation support services for the legal community, insurance industry, government entities, and the public and private sectors. Our global experience in all aspects of forensic investigation, comprised of forensic engineering, technologies and animations, is further complemented by an independent storage, inspection and conference facility to secure, test, analyze and document accident and crime scene evidence.

Learn More About DJS Associates



Expert Spotlight

DJS Associates provides scientific investigation and expert testimony to the insurance, legal and engineering professions, as well as government entities. Our forensic experts are nationally recognized, board-certified specialists. The professionals at DJS Associates share a common commitment to providing honest and accurate assessments, and rendering ethical opinions.

Our broad range of expertise can assist with most types of investigations including, but not limited to:

  • Accident / Collision Reconstruction
  • Automotive / Motorcycles / Trucking
  • Transportation / Traffic Engineering
  • Biomechanical / Human Factors
  • Aquatics / Recreation
  • Premise Liability / Security
  • Slip, Trip and Fall
  • Product Liability / Material Failure
  • Electrical / Mechanical
  • Civil / Structural / OSHA
  • Medical / Nursing / Nursing Homes
  • Toxicology / Pharmacology
William J. Birks Jr. - Security Expert Witness
Security Expert Witness
William J. Birks, Jr.

William J. Birks Jr. specializes in providing security advice and litigation support to business, industry and laws firms in the areas of security adequacy, forseeability of crime and premises liability. His practice specializes in identifying, avoiding, mitigating, and managing security related risk and is dedicated to delivering quality, objective and cost-effective results.

Bill has been a security professional by both training and education since 1979 where he began his career as a contract undercover operative. During his security career, Bill held numerous positions in both industry as well as national security organizations. His thirst for industry specific knowledge was rewarded with added responsibility including becoming the Director of Security, Senior Director of Security/Safety and Chief Security Officer for national, international and Fortune 15 organizations.

Bill is board certified by examination through ASIS International as a Certified Protection Professional (CPP) and has been since 1985. Since obtaining the designation he has successfully renewed the credential nine consecutive times. He is also board certified by examination as a Certified Security Consultant (CSC) through the International Association of Professional Security Consultants (IAPSC). During his career, Bill has had the opportunity to be a guest speaker, lecturer at many colleges, universities, businesses and law firms.


Send William J. Birks, Jr. A Message




From the Scene to A 3D Animation

With the use of 3D laser scanners and 3D computer applications, DJS Associates has the ability to quickly and accurately replicate the incident scene into a three-dimensional environment, providing clients the opportunity to evaluate a limitless number of scenarios without the constraints typically found in the actual scene recreation.

Car Accident Reconstruction Photograph



DJS Happenings


An Overview of Forensic Engineering in 2018: New Technology and Ethical Considerations
An Overview of Forensic Engineering in 2018: New Technology and Ethical Considerations

On Wednesday, January 17th, Steven Schorr, PE, and Justin Schorr, Ph.D., will be attending and presenting to the American Society of Highway Engineers at their annual Ethics Meeting. Their presentation, “An Overview of Forensic Engineering in 2018: New Technology and Ethical Considerations,” will discuss the potential ethical considerations with technology used in forensic engineering. The discussion will also cover ethical considerations in the application of technology for autonomous vehicles. To learn more about these topics and DJS Seminars, please contact Steven or Justin at or 215-659-2010.



Steven M. Schorr Accident Reconstruction Expert
Steven Schorr, PE, Will Be Giving A Presentation to A National Insurance Carrier

On Friday, November 10th, Steven Schorr, PE, will be giving a presentation to a national insurance carrier and their in house counsel in Philadelphia, PA. Steven’s presentation will focus on The Use of New Technology in Collision Reconstruction.

To learn more about DJS presentation topics and educational seminars, contact Steven Schorr, PE, at or via phone at 215-659-2010.