I have 15 years of experience, and specialize in the field of environmental engineering with specific knowledge in the areas of water and waste water treatment, ultraviolet light technologies and emerging contaminants. I have published on such topics as design of advanced water and waste water treatment, water quality, relating to micro-pollutants and ultraviolet light disinfection and oxidation. I have testified on water treatment technology patents, ultraviolet light disinfection and water quality disputes.