I have 30 years of experience, and specialize in the field of failure analysis of engineered systems and products, including building forensics with specific knowledge in the areas of fires, explosions and code compliance, building, process and related systems construction defects and air contaminant control of CO, NOx, Silica and various hazardous compounds. I have testified 12 times on topics such as building forensics, CO exposure, ventilation, airborne silica, process reactors and systems, boilers, fires and explosions and codes and standards, HVAC, A/E malpractice.