Professor Tay is a senior consultant Obstetrician and gynecologist providing a full range of gynaecological services encompassing conventional and minimally invasive surgeries, with special interests in gynaecological tumours and cancers, colposcopy and management of cervical screening abnormalities (positive Pap smear and HPV tests), and endometriosis.

Professor Tay graduated MBBS from University College London, UK and was awarded the Doctorate of Medicine (MD) by the University of London on a thesis entitled “Local Cervical Immune Reactions to Human Papillomavirus Infection and Its Associated Neoplasia”. His specialist training in obstetrics & gynaecology was completed in London where he also received subspecialty training in colposcopy and laser treatment of pre-invasive disease of the cervix by Professor Albert Singer PhD, Dphil (Oxon), FRCOG. He also took a fellowship of the Ministry of Health, Singapore for a special interest in immunotherapy of gynaecological cancer at the MD Anderson Medical Centre and Institute of Tumours, Houston, Texas, USA in 1993.  Professor Tay was admitted to the fellowship of the Academy of Medicine, Singapore (FAMS) in 1989 and the Royal College of Obstetricians and Gynaecologists London (FRCOG) in 1998. He was conferred Clinical Associate Professor by the Yong Loo Lin School of Medicine, National University of Singapore in 2000 and, later, Clinical Professor, at Duke-NUS Medical School. Prof Tay is a faculty member in the academic clinical program for training of residents in obstetrics and gynaecology. He is a medical educator and author of three books: “Cervical cancer: Its Causes and Prevention”, “Gynaecology Clinics Illustrated “, and “Hysterectomy for Benign Conditions”. He has also contributed chapters to many text books in gynaecology.

Professor Tay has a carrier-long research interest and clinical expertise in human papillomavirus infection and women’s cancer. He has published more than 110 research papers in peer reviewed medical and scientific journals.

Professor Tay has previously held positions of President, Society for Colposcopy and Cervical Pathology, Singapore and Associate Editor of Annals, Academy of Medicine Singapore. He has served as Chairman, Committee for Clinical Privileges and Credentialing, Singapore General Hospital, Director of Research, and member of Medical Board, Singapore General Hospital. He is also a qualified mediator serving as a court appointed volunteer mediator, States Courts of Singapore and Principal Mediator of Singapore Mediation Centre.