I have 25 years of experience, and specialize in the field of manufacturing and construction engineering, workplace safey with specific knowledge in the areas of toxic exposure, industrial engineering and cost engineering. I have published on such topics as toxic exposure, workplace safety and work methods. I have testified 20 times on topics such as toxic exposure, workplace safety and work methods. I have hands-on construction experience with most trades at levels from construction laborer to construction executive. This has proved to be invaluable in analysis and testimony.