Gareth Williams, BBiotech, IABTI, CFI

Senior Investigator


Manchester - England
A headshot image of Gareth Williams

Gareth is a Senior Investigator with experience in fire and explosion investigations in many different settings. Throughout his career, he has investigated over 500 fires in the UK, Europe, Australia, the Pacific and South East Asia. These have included numerous fatal fires, large commercial fires including a film studio in Hungary, a gas plant in Nigeria, dust and gas explosions, and large high-rise fires in the UAE. Gareth has been part of investigation teams following large criminal bombings in Indonesia, Thailand, and the Philippines. Gareth has presented expert evidence in Court in Australia, and the UK on many occasions, including for murder trials, Coroner’s Court matters into fatal fires, criminal arson trials, and civil matters. Gareth has been awarded the Certified Fire Investigator designation from the IAAI and the Certified International Post Blast Investigator designation from IABTI.

Gareth also carries out Escape of Water investigations and manages the Manchester Forensics team.

Education / Certifications

  • Biotechnology (Hons), Flinders University
  • Member, Chartered Society of Forensic Sciences
  • Certified International Post Blast Investigator, Intl. Assoc. of Bomb Technicians and Investigators
  • Certified Fire Investigator, Intl. Assoc. of Arson Investigators
  • Member, United Kingdom Assoc. of Arson Investigators
  • Member, Intl. Assoc. of Bomb Technicians + Investigators
Areas of Expertise
Water Intrusion Fire + Explosion Investigation Wildland Fires Origin + Cause Marine Fire Investigation

See Insights from Gareth

Blog + Whitepaper
Two people with hard hats examine the inside of a machinery, one pointing, one holds a flashlight.

Joint Inspections of Forensic Evidence

The joint inspection is for the involved parties to come together to establish facts and attempt to ascertain the cause of the incident. Learn more about instructing investigators' attendance at join inspection and its activities.

Blog + Whitepaper

Back Boiler Explosion Risks

Jensen Hughes investigates many back boiler fires. Though less common now, they still happen, causing injuries or death to occupants of properties

Blog + Whitepaper
Aerial view of a fire burning at a warehouse

Dispersed Explosion Investigations – What Came First, the Fire or the Bang?

Determining the sequence of events in an explosion can have significant consequences in an investigation.