Mr Kumar is the lead HPB surgeon at the University Hospital of Wales and Senior Lecturer at Cardiff University. He started the Liver program in Wales in 2002, and Cardiff was recognised as the centre of excellence by the Welsh Government in 2010. The unit has grown to 4 HPB surgeons and 2 Clinical Nurse specialists. The results are excellent with a less than 2% mortality and 6 day hospital stay for patients undergoing liver resections. Mr Kumar is also the lead for HPB cancers in the Welsh Cancer Network.