Prof. Georg A Holländer was trained in both Paediatrics and Experimental Immunology in Switzerland and the U.S. He held academic positions at Harvard Medical School, Boston, U.S. and the University of Basel, Switzerland, before he joined the University of Oxford, UK (2010). He is interested in the development and function of the immune system in health and disease. His particular scientific focus concerns the molecular and cellular control of thymus development and function.