Martin is a licensed professional engineer specializing in electrical engineering and fire investigation. With more than 15 years of experience, he has performed over 600 fire investigations as well as electrical failure analyses, site reviews and code consultations. Martin is qualified as an expert witness in the Supreme Court of British Columbia.

Mazen is the president of OCI Group and specializes in fire investigation, electrical and electronic failures, product liability and alarm system analysis. With over 40 years of experience in the industry, he has performed over 3,400 fire, product liability and alarm system investigations. Mazen is a licensed professional engineer and designated consulting engineer, and has qualified as an expert witness in both civil and criminal courts in four Canadian provinces and in the Commonwealth of Massachusetts, USA. He is also certified at two levels by the Canadian Alarm and Security Association as an alarm technician.