[1] After graduating from Dublin City University with a PhD in Medicinal Organic Chemistry, Lloyd worked as a Post-Doctoral Research Fellow in Trinity College Dublin and later in the pharmaceutical industry for De Novo Pharmaceuticals in Cambridge.
He returned to academia in 2004 to Trinity College Dublin where he was a appointed as the Hitachi Lecturer in Advanced Computing.
In 2007, he was appointed Dean and Vice President of Research, before becoming Bursar and Director of Strategic Innovation at Trinity College Dublin .
from Trinity College Dublin, an honorary Professorship from Tianjin University and is a Fellow of the Royal Society of Chemistry and a Chartered Chemist.
[4] In October 2024 Lloyd was announced as a contributing author (introduction and annotations, with Dr. Daryl Jones) for the Penguin Modern Classics special edition of Pratchett's novel Night Watch (Discworld)[5] In 2019, Lloyd was elected Fellow of the Australian Academy of Technological Sciences and Engineering (FTSE).