Professor Cullen received his bachelor’s and PhD degrees from University College Dublin, Ireland. Prior to joining the University of Sydney in 2019, he was a professor at the University of Nottingham in the UK. He has also held academic positions at UNSW Sydney and the Technological University Dublin. He has published over 190 journal articles and is designated as a highly cited author by Clarivate Analytics for 2017 – 2020.
PJ is also the CEO of PlasmaLeap Technologies and Technology director for Innopharmalabs.