Graduate of Oxford University (D. Phil., 1994). Postdoctoral Fellow, University of Cambridge, (1994-1996). Vice-Chancellor's Postdoctoral Research Fellow, UNSW (1997-1998). Lecturer, Flinders University of South Australia (1998). Appointed Lecturer at UNSW (1999), Senior Lecturer (2002), Associate Professor (2006), Professor (2006), UNSW Scientia Professor (2011). He is an ARC Australian Laureate Fellow, a Fellow of the Australian Academy of Science, a Fellow of the International Society of Electrochemistry, a Fellow of the Royal Society of Chemistry, a Fellow of the Royal Australian Chemical Institute and a FElow of teh ROyal Society of New South Wales.

NSW Young Tall Poppy Science Prize (2004), Alexander von Humboldt Fellowship (2005), University of Canterbury Erskine Fellow (2007), Royal Australian Chemical Institute Analytical Chemistry Division Lloyd Smythe Medal (2007), Eureka Prize for Scientific Research (2009), ARC Australian Professorial Fellow (2010-2104), Royal Australian Chemical Institute H.G. Smith Medal (2011), Royal Australian Chemical Institute Electrochemistry Division R.H. Stokes Medal (2012), Royal Society of Chemistry Australasian Lecturer (2012), NSW Science and Engineering Award for Emerging Research (2013). the Faraday Medal of the Royal Society of Chemistry Electrochemistry Division (2016), the  Biosensors and Bioelectronics Award (2016), the Walter Burfitt Prize for Science (2016) and Archibald Liversidge Medal for Chemistry (2016) both of the Royal Society of New South Wales, the 2017 Eureka Prize for Outstanding Mentor of Young Researchers and the 2017 Katsumi Niki Prize in Bioelectrochemistry from the International Society of Electrochemistry.

Chair, The Royal Australian Chemical Institute Electrochemistry Division 2006-2011, Inaugural Australian Representative of the International Society of Electrochemistry 2011-2012, Vice President International Society of Electrochemistry 2013-2015. He is a founding co-Director of the Australian Centre for NanoMedicine and the New South Wales Smart Sensing Network.