In 1975 Sethia became a House Surgeon in the Department of Cardiothoracic Surgery at
St Thomas’ Hospital, London. This was followed by house officer and registrar posts in Dorset, Birmingham, Surrey, Cambridge, Hampshire, Scotland and London with a brief interlude as a medical officer with the
Royal Flying Doctor Service of Australia in 1977/78. In 1987 he was appointed Consultant Cardiac Surgeon at Birmingham Children’s Hospital NHS Trust. There he was Clinical Director of Surgical Services from 1995 – 1999. In October 1999 he was appointed Consultant Cardiac Surgeon at the Royal Brompton and Harefield NHS Trust where he is an educational supervisor for congenital heart surgery. In June 2012 he was appointed Honorary Senior Lecturer at
Imperial College London. He is an Honorary Consultant Cardiac Surgeon at Makassed Hospital in East Jerusalem as well as past Honorary Consultant Cardiac Surgeon at Bous Ismail Children’s Hospital, Algeria. Sethia has published widely in the area of congenital heart disease and has given or directed approximately 150 presentations to learned societies during the past 20 years. He is regularly invited to lecture at specialist conferences in the UK and overseas. == Humanitarian work ==