I have 34 years of experience and specialize in the field of microbiology with specific knowledge of biodeterioration, microbial contamination control and microbially influenced corrosion. I have published on such topics as fuel microbiology, metalworking fluid microbiology and cooling water microbiology. I have testified 9 times on topics such as metalworking fluid microbiology, sewage sludge composting and fuel microbiology.