Dr Kotawila Withanage Supun Tharaka Wijayawardena, MBBS, MD, is an Acting consultant Endocrinologist attached to the District General Hospital, Chilaw.

He was a Senior Registrar in Endocrinology attached to the Sri Jayewardenapura General Hospital, Sri Lanka.

He graduated from the Faculty of Medicine, University of Sri Jayewardenapura with first-class honours with distinctions in clinical medicine, Paediatrics, Obstetrics Gynaecology and Microbiology in the year 2015. He was awarded the gold medals for the best performance in the final MBBS 2015 and Paediatrics. He obtained MD (Medicine) in 2021 from the Postgraduate Institute of Medicine University of Colombo, 2021.

His research interests are Adrenal disorders, calcium and bone disorders.