Nick Post is an expert in sanitary engineering, with a focus on drinking water, tap water, hot tap water, circular and domestic water, foul water drainage, grey water, rainwater drainage, and legionella and bacteriological safety of installations. He has extensive knowledge of climate-adaptive building and the impact of sanitary installations on public health. With more than 20 years of experience in the Netherlands and New Zealand, he is (co)-author of many ISSO publications and specialises in circular water and related laws and regulations.