James Rohan received his B.Sc. (1988) and M.Sc. in fuel cell research (1990) from UCC before completing his Ph.D. in 1993 at Southampton University, UK. He then spent 2 years in the United States as a Senior Scientist with EIC Laboratories as part of the USABC (United State Advanced Battery Consortium) developing lithium ion rechargeable batteries for electric vehicles before joining Tyndall National Institute at UCC. He has been lead or co-PI on over 75 medium to large-scale research programmes. This research has attracted in excess of €10 million in research revenue to date. His research interests include electrochemical materials processing and device fabrication for micro/nanoelectronics, energy storage and sensor applications. A recent focus has been on the templated deposition of nanomaterials for Energy and ICT applications. He is a funded investigator in the Research Ireland Connect Centre investigating energy storage for the smart things in the Internet of Things, www.connectcentre.ie. He has utilised microelectrodes to facilitate new knowledge for lithium battery electrochemistry, chemical reducing agent reaction mechanism analysis and most recently for enhanced sensors when integrated with local environment control. The optimised design, materials choice and implementation of electrochemical protocols with micro or nano sensors can lead to optimised control of the local environment around the sensing electrode and increase their sensitivity and selectivity. A key output has been the demonstration of localised pH control without the need to add additional chemicals resulting in a more sustainable sensing process. The work is supported by the Research Ireland Centres Connect, Vistamilk and by companies, including Analog Devices, Zoetis, Aerogen and Danaher Corp.