He is Research Director of the Oxford Centre for Sustainable Water Engineering at Oxford University, and is the Oxford Director of the Singapore-Peking-Oxford Research enterprise. He is a Chartered Chemical Engineer, with over 26 years of research experience in industry and academia. His research has focused on the application of membranes, colloids, surfactants and interfaces to sustainable processes for potable water and wastewater treatment. He has published over 40 refereed journal articles and three chapters in books. He is Co Editor in Chief of the Elsevier Journal of Water Process Engineering and sits on the editorial board of Desalination, Desalination and Water Treatment, and Water. He is the founding chairman and organizer of the Oxford Water and Membranes Research Event, which he has run biennially since 2006.