I have 20 years of experience and specialize in the field of chemical engineering with specific knowledge in the areas of automotive airbag failures, explosions and fires, environmental contamination and worker exposure to hazardous chemicals. I have published on such topics as automotive airbag defects, epidemiology of hazardous chemicals and design of heat transfer equipment. I have testified 38 times on topics such as automotive airbag defects and failures, explosions and fires, and environmental contamination and worker exposure to hazardous chemicals.