I have 28 years of experience and specialize in the field of fire explosion analysis with specific knowledge in the areas of fire origin and cause, building and life safety codes, fire department operations and procedures, firefighter fatalities and injuries, and EMS procedures. I have published on such topics as evidence collection. I have testified 99 times on topics such as fire origin and cause, fire codes, building codes, smoke detectors and fire department procedures. I have hands-on experience as well as formal training and education coupled with knowledge of science and accepted standards.