Prof. Egan graduated from UCG in 1990 (M.B., B.Ch., B.A.O.), and completed internship, house officer and registrar training, based at University College Hospital Galway. He received Membership of RCPI in 1992, and Masters in Medical Science from UCG in 1994. From 1994 to 1999, at the Mayo Clinic in Minnesota he completed further training in Internal Medicine, Clinical Pharmacology & Gastroenterology, receiving American Board certification in those 3 disciplines. NUI Galway conferred an MD in 1999. Prof. Egan then undertook post-doctoral training from 2000 to 2002, in the Laboratory of Mucosal Immunology at the University of California, San Diego, before returning to the Mayo Clinic to take up a consultancy in Gastroenterology, with joint appointment in the Department of Molecular Pharmacology and Experimental Therapeutics. In 2005, NUI Galway and the Health Service Executive Western Region appointed Prof. Egan as Professor of Clinical Pharmacology/Consultant Clinical Pharmacologist. His clinical practice focuses on Inflammatory Bowel Diseases and his research focuses on the role of inflammation in colon carcinogenesis.