Dr Khan is a Consultant Hepatologist and Adjunct Reader at Imperial College London. He qualified from Guy’s Hospital Medical School in 1994 and underwent specialist training in the Northwest London. He was awarded a PhD for studies on liver cancer from the University of London in 2003. Dr Khan is the lead author on the British guidelines for cholangiocarcinoma and co-author for the ILCA guidelines. He has published extensively, including original research articles, reviews and book chapters. Dr Khan is also Director of Clinical Studies at St Mary’s Hospital and Admissions Tutor panel for Imperial College London Medical School.