Jacintha O’Sullivan is a Professor in Translational Oncology, based at the Trinity Translational Medicine Institute (TTMI), Trinity College Dublin, St. James’s Hospital. She is the Director of the MSc in Translational Oncology, the Education lead for the Trinity St. James’s Cancer Institute, and the Education and Outreach Coordinator at TTMI. She graduated from University College Dublin in 1995 with a first-class honours degree in Cell Biology and Molecular Genetics. She then carried out her Ph.D. training at the Adirondack Biomedical Research Institute, Lake Placid, New York and at the University of Notre Dame, Indiana in the field of cancer cell biology. In 2000, she moved to the University of Washington, Seattle as an NIH-funded postdoctoral fellow. In 2003, she returned to Dublin to the Centre for Colorectal Disease, St. Vincent’s University Hospital/UCD as a Senior Scientist to establish and direct a translational gastrointestinal research program. She was appointed as Associate Professor in the Department of Surgery, Trinity College Dublin/St. James’s Hospital in 2010 and was promoted to Professor in 2016. She has 106 publications with 4503 citations and an h-index of 39 (Scopus, 30 November 2023).