Dr. Guangxue Wu is a University Galway Foundation supported Associate Professor in Civil Engineering, University of Galway. He received his PhD degree from National University of Ireland, Galway in 2009. He is expertized in biological wastewater treatment, including anaerobic digestion, autotrophic nitrogen removal, and sustainable development. He has authored over 200 peer-reviewed journal papers. He was the convener for the ISO standard: Water reuse in urban areas — Guidelines for centralized water reuse system — Part 1: Design principle of a centralized water reuse system (ISO 20760-1: 2018) and received the ISO excellence award in June 2020 in recognition of his valuable contribution.