Experts
We Deliver the Facts
Origin and Cause is Canada’s largest consulting forensic engineer and fire investigation firm. Our national presence – with 16 offices across the country – allows us to serve clients from coast to coast and field highly qualified, trusted experts in every major engineering disciple: Fire and explosion investigation, mechanical engineering, electrical engineering, materials and metallurgical engineering, structural engineering, chemical engineering and drone services. 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.
Our engineers, investigators and technical experts possess a wealth of practical experience and a depth of knowledge within their respective fields. Our multidisciplinary approach works to the benefit of our clients to ensure complete investigations, from fieldwork to analysis, reporting and litigation support. Our team has cumulatively completed over 30,000 forensic investigations, and our experts have an average of 25 years of experience.

Mazen Habash
President and Consulting Forensic Engineer

Art Beleda
Vice President Eastern Canada and Fire & Explosion Investigator

Ryan Dobson
Vice President Western Canada and Forensic Investigator

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

Matthew Obach
Forensic Engineer and Branch Manager

Peter Hamilton
Fire & Explosion Investigator and Atlantic Canada Manager

Vladimir Chlistovsky
Forensic Engineer and GTA Operations Manager

Said Ismail
Operations Manager – Ancaster, Electrical Forensic Engineer and Fire Investigator

Michelle Holden Bradley
Forensic Engineer

Richard Kooren
Consultant

Chris K. Panasiewicz
Consulting Forensic Engineer

Dinu Matei
Senior Consulting Forensic Engineer, Materials Engineering

Adam Lohonyai
Structural Forensics Practice Lead

Eduardo Mari
Fire Protection Practice Lead & Materials Forensic Engineer

Martin Coles
Forensic Engineer

William “Bill” Hiscott
Fire & Explosion Investigator

Michael Owens
Fire & Explosion Investigator

Mark Mason
Fire Investigator and HVAC/Fuels Specialist

Allen Bauer
Fire & Explosion Investigator

Matt Roberts
Fire & Explosion Investigator

Chris Needham
Fire & Explosion Investigator

Stephen L. Martin
Fire & Explosion Investigator

Darren Keuhl
Drone Operator/Collision Reconstructionist

Melanie Cairns
Forensic Engineer

Tristan Delorme
Forensic Engineer

Nabi Goudarzi
Forensic Structural Engineer

Gary Jarrett
Fire & Explosion Investigator

Keith B. Ellwood
Fire & Explosion Investigator

Jimmy Fata
Fire & Explosion Investigator

Sid Murray
Canine Expert Trainer

Jeff Inch
Drone Operator/Collision Reconstructionist

Ryan Norton
Fire & Explosion Investigator

Alexa Grittani
Fire Investigator EIT

Hasan Robah
Structural Designer and Forensics Investigator

Mike Goldberg
Fire Investigator and HVAC/Fuels Specialist

Andrea Gaynor
Fire & Explosion Investigator

Cody Zebedee
Fire & Explosion Investigator

Simon Nguyen
Forensic Structural Engineer

Kevin Abbott
Fire Investigator and Fuels Specialist

Hussein Robah
Structural Designer

Paul Emadi
Forensic Engineer

Jennifer Wiens
Vehicle System Forensic Investigator

Mesbah Shahamirian
Forensic Structural Inspector

Kylee Martin
Fire & Explosion Investigator

Chase Wang
Forensic Engineer and Fire Investigator

Benjamin McFadgen
Architectural Technologist

John McCutcheon
Fire and Explosion Investigator, Fuels/HVAC Specialist

Raina Chamberlain
Fire Investigator – Electrical Engineering

Kelly Doyle
Fire & Explosion Investigator

Tyler Rocheleau
Architectural Technologist