Dr Tay is currently Professor and Head of Department of Vascular and Interventional Radiology at Singapore General Hospital. He is also the Deputy Head for Singhealth Duke NUS Vascular Centre. Dr Tay has authored and co authored more than 140 publications and 380 oral/poster presentations. He has delivered more than 350 invited lectures at national and international conferences and has 6 patents to his name. He is also the current Secretary General of APSCVIR.