Pat Lonergan is Professor of Animal Reproduction at University College Dublin. His research focuses on understanding the regulation of embryo development in vivo and in vitro, embryo maternal communication and the establishment of pregnancy in cattle as well as aspects of bull fertility including in vitro prediction of field fertility and the contribution of the sire to embryo mortality and overall herd fertility.

He is a long-time member and Past President of the International Embryo Technology Society, and has served on the board (and as Secretary) of the Association of Embryo Transfer in Europe (AETE). In addition, he has served on the Editorial Boards of Biology of Reproduction and Reproduction Fertility and Development. Together with his students and collaborators, he has published over 300 peer-reviewed papers, reflected in a h-index of 100 (based on 30479 citations). He was awarded a DSc degree on Published Work (2005) and elected Member of the Royal Irish Academy (2012), the highest academic honour in Ireland. He has supervised >30 PhD and >20 Research Masters students to completion.