Nick Walmsley is Technical Co-ordinator for Water New Zealand following a 40 year international career in the water industry. His background includes water and wastewater systems, treatment and disposal as well as general infrastructure projects. His project experience includes advising on the treatment and discharge effects of industrial wastewaters, odour control, sludge/biosolids management and their regulatory controls in several countries. He has worked with the dairy, meat, timber, pulp & paper, chemical, oil & gas and pharmaceutical industries. He has also held a teaching fellowship from Massey University and co-authored several national guidelines.