Lusia Sefo Leau is the CEO of PWWA and has held this role since late 2016; she helped establish PWWA as a permanent regional organization for Pacific water and wastewater in Samoa. She has held senior leadership roles in a number of government Ministries, including CEO of the Ministry for Revenue, Deputy CEO, Ministry of Finance, and Deputy Secretary for the Ministry of the Prime Minister and Cabinet—leading major institutional and capacity building reforms and projects including government-wide programs and some regional organizations.

Norbert is an associate professor at the Institute for Water Quality, Resources, and Waste Management at TU Wien. He is involved in international postgraduate courses on various aspects of river basin management and the education of Austrian wastewater treatment plant (WWTP) operators.

Jörg is a full-time professor for water quality at TU Wien (Technical University of Vienna), where he leads a 40-strong research group for water quality management. His career covers 25 years of experience in biological wastewater treatment, aeration technology, membrane technology, and energy efficiency. He has a wide range of practical experience with different types of wastewater treatment plants (WWTPs), focused mainly on activated sludge plants and trickling filters.

Damir is the Professor of Sanitary Engineering at IHE Delft and an Endowed Professor at the Delft University of Technology. He is also a Co-founder and Director of the Global Sanitation Graduate School and Co-founder of the Global Partnership of Laboratories for Fecal Sludge Analysis. His areas of expertise include pro-poor and emergency sanitation, fecal sludge management, urban drainage, and wastewater treatment.