Canada’s Largest Forensic Engineering and Fire Investigation Firm

Origin and Cause is the leading provider of all major forensic investigation and engineering disciplines in Ottawa: Fire and explosion investigation, mechanical engineering, electrical engineering, materials engineering, structural engineering and chemical engineering. We have been engaged by insurance companies, law firms, independent adjusters, manufacturers and corporate risk managers, completing more than 30,000 cases.

We are also leaders in forensic litigation, with involvement in over 1,500 legal cases across Canada, throughout the United States and around the world. Choose us and get the benefit of working with highly trained, extremely skilled professionals with years of hands-on experience.

Our reputation is built on our integrity and commitment to the facts.

Our Forensic Experts

A cross-disciplinary team of forensic engineers and fire investigators that has completed over 30,000 cases, helping clients discover the truth by determining the facts. We provide cross-disciplinary forensic engineering services across Canada, having been a trusted leader for over 25 years.

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Peter Hamilton

Fire & Explosion Investigator and Atlantic Canada Manager

Designation: CFEI

Peter is a Certified Fire and Explosions Investigator (CFEI) and specializes in fire scene investigation. He is also a qualified expert in both general division and provincial division courts. His professional experience includes 20 years with the Toronto Police and eight years with the Office of the Fire Marshal. He has completed over 645 forensic fire scene investigations which have included fire fatalities, large losses, residential and commercial losses.

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Meet Nabi Goudarzi

Forensic Structural Engineer

Designation: Ph.D., P.Eng.

Nabi specializes in the forensic structural investigation of buildings and the design of retrofitting schemes for damaged or under-designed structures. In the course of his career, Nabi has conducted structural assessments of existing steel, concrete, masonry and wood buildings under gravity loading, vibration and seismic forces. He has also designed steel and concrete structures, including high-rise residential and office towers, commercial retail units, and long-span steel trusses. Nabi holds a MSc. in Earthquake Engineering from Sharif University of Technology and a Ph.D. in Structural Engineering from the University of Alberta.

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Meet Darren Keuhl

Drone Operator/Collision Reconstructionist

Designation: NA

Darren is a Remotely Piloted Aerial Systems Operator specializing in pre-loss and post-loss site inspections, field investigations and aerial scene mapping using Pix4D and Drone Deploy software. He is also a Level 3 Traffic Collision Investigator and a Level 4 Collision Reconstructionist with over 30 years of policing experience.

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Meet Tristan Delorme

Forensic EIT

Designation: B.Sc, B.A.Sc, EIT

Tristan is a Forensic EIT with a dual degree in Electrical Engineering and Biomedical Science from the University of Ottawa. His professional experience includes conducting failure analyses and examinations. He has attended and assisted in over 41 fire investigations and 64 mechanical, electrical and metallurgical lab examinations.

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Meet Jimmy Fata

Fire & Explosion Investigator

Designation: CFEI

Jimmy is a certified Fire and Explosion Investigator. His professional experience includes 22 years as a FireFighter with the Ottawa Fire Service and 10 years as a Fire Investigator with the Ottawa Fire Department, Fire Investigations Unit. He has performed over 200 investigations and assisted in a further 12 investigations with The Ontario Fire Marshal’s Office, three of which were fatal fires and one a large explosion. Jimmy has been accepted as an expert witness in Ontario Provincial and Civic court.

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Rapid Response, Evidence-Based Opinion

Our qualified experts determine the facts of a case and provide evidence-based opinion. Meticulous field and lab work make all the difference to insurance claims and legal outcomes.We respond rapidly to incidents, ensuring quick site attendance and frequent updates to our clients.

Our Services

We provide services across all major forensic investigation and engineering disciplines. We are also leaders in forensic litigation, with involvement in over 1,500 legal cases across Canada, throughout the United States and around the world.

Commitment to the Facts

We guarantee unbiased opinions based on factual evidence determined through scientific methodology, examination and laboratory testing. Our qualified experts are trusted to determine the facts of a case and provide accurate, evidence-based opinions. Origin and Cause has built a reputation on our integrity and commitment to the facts.

Leadership Team

Mazen Habash

President & Consulting Forensic Engineer

Shauna Hall

Branch Manager

George Costandi

Director – National Sales and Marketing

Vladimir Chlistovsky

Forensic Engineer and GTA Operations Manager

Art Beleda

Vice President Eastern Canada and Fire & Explosion Investigator

Peter Hamilton

Fire & Explosion Investigator and Atlantic Canada Manager

Steve Klimpel

Fire & Explosion Investigator and Operations Manager – Northern and Eastern Ontario/Atlantic Canada

Matthew Obach

Forensic Engineer and Branch Manager

Ryan Dobson

Fire & Explosion Investigator and Branch Manager

Said Ismail

Operations Manager – Ancaster, Electrical Forensic Engineer and Fire Investigator

Adam Lohonyai

Structural Forensics Practice Lead