Compass Consulting Engineers P.C.

Compass Consulting Engineers P.C.

Colin Wein

10875 Dover St. 900 Westminster, CO 80021

About the Expert

Licensed Professional Engineer specializing in the analysis and reconstruction of motor vehicle accidents throughout the United States. Initial case reviews, vehicle and crash scene inspections, vehicle testing, Event Data Recorder ('black box') downloads, photogrammetry, 3-D laser scanning and drone flights. Scientifically accurate graphics and animations to illustrate the complex aspects of the reconstruction.

Areas of Expertise

Accident Reconstruction
Airbag Control Module
Bicycle Accident
Collision Reconstruction
Computer Animations
Crash Data Retrieval
Drone Flights
Engineering Forensic Disciplines
Event Data Recorder
Forensic Sciences
Heavy Truck
Low Speed Impacts
Mechanical Engineering
Motor Vehicle Accident
Motorcycle Accident
Pedestrian Accident
Products Liability
Vehicle Testing

Expert's Profile

Since 2014, Mr. Wein has been involved in the analysis and reconstruction of hundreds of motor vehicle crashes throughout the United States. Cases include rollovers, multi-vehicle impacts, heavy trucks, motorcycles and pedestrian impacts. Analysis and reconstruction includes, but is not limited to, the following:

- Vehicle and crash scene inspections consisting of 3-D laser scans and/or drone flights to create scaled 3-D models of damaged vehicles and crash sites.

- Photogrammetry analysis to reconstruct destroyed physical evidence and damaged vehicle geometry.

- Analysis using the physics simulation software HVE.

- Event Data Recorder ("black box") downloads and analysis.

- Mathematical analysis of crash dynamics including vehicle speeds, Delta-V and PDOF

- 3D graphics and animations

- Technical reports and exhibits for litigation

Mr. Wein is a licensed Professional Engineer in Colorado and California and an ACTAR Accredited Traffic Accident Reconstructionist. Mr. Wein is a licensed commercial drone remote pilot and a certified Bosch Crash Data Retrieval download technician and analyst. Mr. Wein holds a Bachelor of Science degree in Mathematical and Computer Sciences and a Bachelor of Science degree in Mechanical Engineering from the Colorado School of Mines.

Prior to this career, Mr. Wein was an actuary providing probability and statistical analysis for large corporations. He returned to school to obtain a second degree, a Bachelor of Science in Mechanical Engineering, with the sole purpose of a career in vehicle accident reconstruction.

Personal Achievements


  • Bachelor of Science Degree in Mechanical Engineering (Colorado School of Mines, 2014)
  • Bachelor of Science Degree in Mathematical and Computer Sciences (Colorado School of Mines, 2005)


  • Licensed Professional Engineer, Colorado #56822
  • Licensed Professional Engineer, California #M 385765
  • ACTAR Accredited Traffic Accident Reconstructionist #3482
  • Commercial Drone Remote Pilot
  • Crash Data Retrieval (CDR) Certified Data Analyst
  • Crash Data Retrieval (CDR) Certified Download Technician

Special Training

  • HVE Forum by Engineering Dynamics Corporation, 2017 & 2019
  • Volunteer Expert: Colorado Defense Lawyers Association, Trial Academy, 2014, 2016 & 2018
  • Full Scale Vehicle Testing of a Chevrolet Impala, 2018
  • Full Scale Vehicle Testing of a Chevrolet HHR, 2017
  • HVE Forum by Engineering Dynamics Corporation, 2017
  • HVE Simulations Training Course by Engineering Dynamics Corporation, 2015
  • 40 hr. Bosch Crash Data Retrieval (CDR) Data Analyst Course, 2016


  • Society of Automotive Engineers (SAE)
  • National Society of Professional Engineers (NSPE)
  • National Association of Professional Accident Reconstruction Specialists, Inc. (NAPARS)

More Information

Listed in the Following States

Compass Consulting Engineers P.C. is listed with ExpertPages in the following jurisdictions: Alaska, Arkansas, Colorado, Idaho, Kansas, Louisiana, Missouri, Montana, New Mexico, Oklahoma, Oregon, Tennessee, Texas, Washington, Wyoming