Darren Sun obtained his PhD degree in Chemical Engineering from The University of New South Wales, Australia in 1993. His research interests include (1) environmental applications and implication of nanomaterials, (2) membrane separation for desalination, water reclamation and water quality control, (3) engineered hybrid multifunctional membrane for sustainable production of water and energy. Darren is IWA Fellow and was the recipient of the IWA Innovation Award 2008 (East Asia and Pacific) from International Water Association (June 2008), Prestigious Engineering Achievement Award 2008 from Institute of Engineering Singapore (Sept 2008) for excellence in pilot scale water research using hybrid nanostractured TiO₂ microsphere and membrane system, Nanyang Award for Innovation and Research 2009 by Nanyang Technological University (Feb 2010) for excellence in fabrication of flexible TiO₂ nanofiber/tube/wire membrane, Distinguished Award 2011 from Singapore Accreditation Council (June 2011) and President Award from President Akira Fujishima of Tokyo University of Science (March 2013). Externally, Darren is a Chair for International Water Association (IWA) Specialist Group on Chemical Industries, Editor for Water Science and Technology. Darren is also a Shimizu Visiting Professor at Environmental Engineering and Science Program, Stanford University, USA.