John is theDepartment Head, Water & Wastewater Engineering for Ramboll in the US. He has over25 years' experience in the design and operation of industrial wastewater treatment facilities and has executed projects throughout the US as well as abroad in Europe, Asia, the Middle East and South America. John has significant experience in nitrification-denitrification biological treatment and project execution for the petroleum refining and steel coke industries. Additional industrial experience includes projects in the petrochemical, organic chemical, pulp and paper, food and beverage and alternative fuels industries.