After obtaining his medical and basic surgical training in India, SN moved to the UK in 1997. He went on to train in Upper GI, Thoracic and Hepatobiliary surgery followed by 2 years of research in Transplantation. He was selected for the All Wales Higher Surgical Training Programme in Cardiff in 2002 with sub-specialty training in vascular surgery. In 2008, SN moved to London as a Senior Vascular Fellow at the Imperial College working at the Charing Cross and St Mary’s Hospital Vascular Units.
SN was appointed as a Consultant vascular surgeon at the University Hospital of North Staffordshire, UK, in April 2010. He left this post to move to Singapore in March 2011 as a Consultant Vascular Surgeon at the Tan Tock Seng Hospital where he served as the Chief of Vascular and Endovascular Surgery and Adjunct Asst Professor to the Yong Loo Lin School of Medicine for over 6 years. He was a Core Faculty Member of the National Healthcare Group Surgical Residency programme and is an MBBS examiner for the National University of Singapore.
SN current appointment is at the Harley Street Heart and Cancer Centre based at Gleneagles and Mount Elizabeth, Novena Hospitals (part of the Parkway Pantai Group of Hospitals) in Singapore
since August 2017 as a Senior Consultant Vascular and Endovascular Surgeon.
He has published on transplantation, vascular access, vascular and endovascular surgery and peer reviews for the International Journal of Surgery.
His interests in vascular surgery include advanced Thoracic and abdominal endovascular repairs with chimney stenting, angiosome-directed and hybrid peripheral vascular revascularisation. He is an internationally recognised key opinion leader and trainer in venous disease for glue ablation for advanced varicose veins, Intra Vascular Ultrasound (IVUS) and deep venous stenting for both occlusive and reflux venous disease and venous reconstruction surgery. He also has a special interest in advanced wound care.