Professor Dr. Shireene Ratna Vethakkan obtained her MBBS from the University of Malaya, and Masters of Internal Medicine from Universiti Kebangsaan Malaysia. She then underwent endocrine training at the University of Malaya Medical Centre and a fellowship at the Department of Endocrinology and Diabetes, St. Vincent's Hospital Melbourne. This was followed by an MD(Doctorate of Medicine-Research) at the University of Melbourne focusing on the evaluation of islet-function and insulin-sensitivity post-islet transplantation in patients with Type 1 diabetes. Her expertise lies in the fields of diabetology and reproductive endocrinology, in particular human islet-transplantation, lipotoxicity and beta-cell function. She is skilled in the evaluation of beta-cell function/insulin sensitivity utilizing computer modelling and the IVGTT, and can also conduct clamp studies.

She was Head of the Division of Endocrinology&Diabetes , Department of Medicine, University of Malaya from 2012-2022. She holds several grants and has a passion for clinical research in the field of diabetes in pregnancy and metabolic associated steatotic liver disease. 

She has published papers in the  Bristish Journal of Obstetrics & Endocrinology, Clinical Endocrinology, Diabetes Research & Clinical Practice, Journal of Clinical Endocrinology and Metabolism, Journal of Clinical Lipidology,Clinical Nutrition,Transplantation, Endocrine Practice, Diabetic Medicine and Journal of Diabetes Investigation. She has also supervised to completion many PhD, Masters of Science, Masters of Medicine students and Endocrine Subspecialty Fellows. 

Dr. Vethakkan is also an experienced consultant endocrinologist/physician and runs several busy clinics including the combined antenatal endocrine clinic at the University of Malaya Medical Centre.