Sean Caldwell, P.E. – Forensic Engineer & Reconstructionist

Sean Caldwell, P.E. - Forensic Engineer & Reconstructionist

Sean CaldwellBorn in Boulder, CO in 1984, Sean graduated high school at 17 years old and, following September 11th 2001, enlisted in the US Army with the approval of his parents. Sean had seen on MTV of all places, that the 82nd Airborne Infantry Division was deploying to Afghanistan to fight Al Qaeda and their supporters the Taliban.

Upon arriving at Fort Bragg after basic infantry training and airborne school, Sean was assigned to the 325th Airborne Infantry Regiment. In March 2003, he deployed to Saudi Arabia and was part of the initial battle group to invade Iraq. Sean completed two tours of duty in Iraq during his four-year service reaching the rank of Sergeant and leading a heavy machine gun team during his second tour where he received the Army Commendation Medal with 'V' Device for valor in battle.

After the Army Sean started and ran a company with a friend called the Boulder Compost Company and attended college where he graduated with honors from University of Colorado Denver with a bachelor of science in mechanical engineering.

In the spring of 2013 Sean joined Ponderosa Associates and began to train and work in forensic engineering and specialize in complicated, in-depth accident reconstructions. Sean obtained his Professional Engineering license in 2015. He continues to focus on education and training through continuing education relevant to forensic engineering and continuing his formal education at the University of Colorado to obtain his masters of science in mechanical engineering.

Sean Caldwell - Forensic Engineer and Reconstructionist

Engineering Specialties

  • Motor Vehicle Accident Reconstruction and Causation
    • High and Low Severity Impacts
    • Rollovers
  • Heavy Truck Accident Reconstructions
  • Multi-Vehicle Accident Reconstruction
  • Pedestrian, Motorcycle, Bicycle Impacts
  • Instrumentation & Measurement, including Digital Signal Processing
  • Airbag control module (vehicle black box) downloads and analysis 

Education & Accreditation

  • B.S., Mechanical Engineering, University of Colorado Denver, 2012
  • Graduate study, Mechanical Engineering, University of Colorado Denver, 2013-Present
  • Professional Engineer (PE), State of California, State of Wyoming
  • Crash Data Retrieval (CDR) Certified Download Technician
  • Crash Data Retrieval (CDR) Certified Data Analyst


  • Forensic Science and Accident Reconstruction since 2013
  • Fire Team Leader, Sergeant, 82nd Airborne Infantry, United States Army, 2001-2005

See Sean's CV

For inquiries, please email Sean. 

Email Sean