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Prof. John Barrett is Head of Academic Studies at the Nimbus Research Centre. In this role, he manages academic activity including postgraduate research quality, undergraduate projects, the Nimbus Summer Internship Programme, and delivery of teaching by the  research centre staff.

His own research is focused particularly on systems integration. The packaging, miniaturisation and embedding of smart systems in materials, objects and structures with emphasis on reliability in challenging and harsh application environments. He has been a lecturer and researcher in CIT since 1999 and was previously Assistant Director of the Irish National Microelectronics Research Centre, now Tyndall National Institute. He has been active in Irish and European R&D projects in the areas of packaging and systems integration for almost 35 years and has over 100 publications in topics related to his field.

He is a member of and has acted as Chair of the CIT Postgraduate Research Board and is also a member of the CIT Academic Council and the CIT Research and Innovation Committee. He is an Academic Research Associate of Tyndall National Institute.

He is also active in communication of emerging technologies to a wide variety of audiences and has acted as an invited keynote and expert speaker at events across the world. His TEDxCIT talk on the Internet of Things has over half-a-million views. He shares his experience in public speaking through his CIT Communication Skills training module.