Davis began studying the immune system at Harvard University with Jack Strominger, after obtaining a PhD in Physics in Glasgow, UK. Currently, he is a Professor of Immunology at Manchester University and Director of Research in the Manchester Collaborative Centre for Inflammation Research. Prior to this, he was the Head of the Immunology Section at Imperial College London in South Kensington. He has published well over 120 academic papers, cited over 10,000 times, including articles in Nature, Science and Scientific American. His work has helped establish new concepts in how immune cells communicate with each other and how they detect signs of disease in other cells. He became a Fellow of the Academy of Medical Sciences in 2011 and currently chairs their selection panel for immunology candidates. He is also the author of a popular-level book THE COMPATIBILITY GENE, about the MHC system, which was picked by Bill Bryson as a Guardian Book of the Year. His new book THE BEAUTIFUL CURE will be published on February 1st, 2018. Davis also gives regular talks at science, literary and music festivals.