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

Richard Kooren
Consulting Forensic Engineer

Mario Delorme
Vice President Eastern Canada and Fire & Explosion Investigator

Ken Swan
Vice President Western Canada and Fire & Explosion Investigator

Vladimir Chlistovsky
Forensic Engineer and Mississauga Operations Manager

Peter Hamilton
Fire & Explosion Investigator and Atlantic Canada Manager

Art Beleda
Fire & Explosion Investigator, Senior Engineering Technologist and Branch Manager

Michelle Holden Bradley
Forensic Engineer

William “Bill” Hiscott
Fire & Explosion Investigator

Yasser Korany
Structural Forensics Practice Lead & Consulting Engineer

Dinu Matei
Consulting Forensic Engineer

Bill Osborne
Fire & Explosion Investigator

Michael Owens
Fire & Explosion Investigator

Joe Adams
Fire Investigator and HVAC/Fuels Specialist

Steve Klimpel
Fire & Explosion Investigator and Branch Manager

Chris K. Panasiewicz
Consulting Forensic Engineer

Ryan Dobson
Fire & Explosion Investigator

Peter Apsit
Fire & Explosion Investigator

Matthew Obach
Forensic Engineer and Branch Manager

Adam Lohonyai
Forensic Structural Engineer

Eduardo Mari
Forensic Engineer

Mark Mason
Fire Investigator and HVAC/Fuels Specialist

Allen Bauer
Fire & Explosion Investigator

Brent Fukuda
Forensic Engineer

Richard Bulley
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

Martin Coles
Forensic Engineer

Melanie Cairns
Forensic EIT

Tristan Delorme
Forensic EIT

Nabi Goudarzi
Forensic Structural Engineer

Tyson Morris
Fire & Explosion Investigator

Gary Jarrett
Fire & Explosion Investigator

Keith B. Ellwood
Fire & Explosion Investigator

Jimmy Fata
Fire & Explosion Investigator

Amir Jamshidi
Forensic Structural Engineer

Naz Abba
Building Envelope Investigator

Sid Murray
Canine Expert Trainer

Jeff Inch
Drone Operator/Collision Reconstructionist

Michael Rice
Drone Operator/Collision Reconstructionist

Ryan Norton
Fire & Explosion Investigator

Clinton Debroy
Fire & Explosion Investigator

Manny Garcia
Fire & Explosion Investigator

Mohtady Sherif
Forensic Structural Engineer

Said Ismail
Forensic Engineer

Alexa Grittani
Fire Investigator EIT

Neil Ralston
Fire & Explosion Investigator

Steve Holt
Fire & Explosion Investigator | Fuels Specialist

Hasan Robah
Structural Designer and Forensics Investigator