Prof. Timothy Martin Cox is an Emeritus Professor of Medicine at the University of Cambridge. He is also a Life Fellow of Sidney Sussex College and an Honorary Consultant Physician at Addenbrooke’s NHS Trust Hospitals. He pursued clinical and scientific training at London, Oxford, and the Massachusetts Institute of Technology, USA. Beyond his clinical and teaching duties, he also founded and directed the first MB/PhD program in the UK. He has authored more than 300 original articles including reviews and research publications. He is an Editor and Author of The Oxford Textbook of Medicine. His research interests are in the biochemical genetics of inborn errors of metabolism, with special reference to lysosomal diseases.