Sean graduated with a BA in Human Genetics from Trinity College Dublin in 2013, and received his PhD from the University of Cambridge in 2018. For his PhD with Professor Mario de Bono at the MRC Laboratory of Molecular Biology, he identified genes and pathways that function in the nervous system using the small model organism C. elegans.
In 2020 he joined Professor Shankar Balasubramanian’s lab as a postdoctoral research associate at the CRUK Cambridge Institute, and in 2021 he was awarded a Leverhulme Trust Early Career Fellowship to investigate the biological functions of alternative DNA structures in the human genome.