Dr Naryanan is a senior consultant vascular surgeon specialising in thoracic and abdominal aortic endovascular repairs, angiosome-directed and hybrid peripheral vascular revascularisation, and carotid surgery.

Besides medicine, Dr Narayanan enjoys music, cricket, world history, and politics. His biggest influences is his father's extraordinary sense of fairness and respect for others. He's also inspired by Professor Alun Davies' teachings, research, and drive to help patients. Dr Narayanan’s mission is to develop accessible treatment for all as the costs of medicine have left the less privileged behind due to technology and knowledge advances in healthcare. He believes in treating patients as people with fears and hopes and not just as a collection of symptoms and x-ray films.

Dr Sriram Narayanan studied medicine at JIPMER, India in 1993 and underwent basic surgical training at Sir JJ Hospital, India. He completed his Master of Surgery degree in 1997. In 1997, he participated in advanced surgical training in the UK and trained in gastrointestinal, thoracic and hepatobiliary surgery in Liverpool and Cornwall, followed by two years of research in transplantation in Nottingham.

In 2002, Dr Narayanan was selected for the All Wales Higher Surgical Training Program with subspecialty training in vascular surgery in Cardiff. He was awarded a Senior Vascular and Endovascular Fellowship at Imperial College, London under Professor Alun Davies (Chair of Academic Vascular Surgery, Imperial College of Medicine) in 2008. He trained at the Charing Cross and St Mary’s Hospital Vascular Units.

In 2010, Dr Narayanan was appointed Consultant Vascular Surgeon at the University Hospital of North Staffordshire, UK. A year later, he was appointed Consultant Vascular Surgeon at Tan Tock Seng Hospital where he was the chief of vascular surgery and a core faculty member of the National Healthcare Group Surgical Residency program.

Dr Narayanan pioneered describing the differences in vein anatomy in Asians and the work on venous glue ablation for venous leg ulcers. He is a key opinion leader, speaker, and Southeast Asian trainer for venous stenting, intravascular ultrasound and aortic surgery.

Dr Narayanan has published research on transplantation, vascular access, vascular and endovascular surgery and peer reviews for the International Journal of Surgery. He is the Chief Scientific Editor of Wounds Asia. He is also the author of book chapters in “Angiosomes: Applications in Critical Limb Ischemia” (2013) and “Diabetic Foot – the Asian Perspective” (2017).

Dr Narayanan has co-supervised PhD and MSc research with Nanyang Technology University School of Mechanical and Aerospace Engineering on computer modelling of Asian aortic aneurysms. He collaborates with A-STAR on research in advanced wound care technologies. He is also an Adjunct Assistant Professor at NUS Yong Loo Lin School of Medicine and an examiner for the final MBBS examinations.