Andrew Sawilski is the Wastewater and Reuse Manager (South) at the P&T Alliance (SUEZ / SA Water). He has 14 years of experience in the water industry in South Australia, working across a variety of roles including maintenance, capital projects, operations, drinking water, and wastewater. He is currently responsible for managing the operation and maintenance of the southern metro wastewater and reuse plants, consisting of three wastewater treatment plants and two ultrafiltration plants. His focus is on working closely with SA Water to achieve strong operational performance, effective maintenance, process improvements, and successful capital delivery across the sites.

Liam Tothill is the Water Production Engineer at the P&T Alliance (SUEZ / SA Water). He has 13 years of experience at SA Water, with a focus on water treatment and water quality operations. Liam has worked across a large number of water treatment plants at SA Water in Adelaide and in regional South Australia. He is currently responsible for the process optimisation and improvement across the five sites supplying drinking water for metro Adelaide. His focus is on achieving efficiency, improving water quality and reducing operational costs.