Dr Sujith Wijerathne graduated from University of Colombo, Sri Lanka in 2008 and joined the National University Hospital (NUH), Singapore in 2009 as a house officer. He started his training in General Surgery at NUH in 2010 and obtained the qualifications of MRCS (Edinburgh) in 2012 and MMed (Surgery, NUS) in 2016. 

He completed his advanced specialist training in General Surgery in 2017 and obtained his Fellowships for General Surgery from Royal College of Surgeons of Edinburgh (FRCS) and Academy of Medicine Singapore (FAMS). Dr Sujith was accredited as a specialist in General Surgery by the specialist accreditation board, Singapore in 2017.

Dr Sujith has been a Clinical Lecturer for the Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore since 2015 and has a keen interest in both undergraduate and post graduate education and training. He has organised a number of basic laparoscopy, advanced laparoscopy and suturing workshops for surgical residents at NUH.

He is an active member of the Singapore Medical Association (SMA), Endoscopic & Laparoscopic Surgeons of Asia (ELSA), Asia Pacific Hernia Society (APHS) and Society of American Gastrointestinal and Endoscopic Surgeons (SAGES). Under the ELSA outreach programme, he has contributed to a number of international basic and advanced laparoscopy workshops in the South and Southeast Asian region as an instructor. 

Dr Sujith has authored several publications and book chapters on minimally invasive surgery and hernia surgery. He has also presented his research work frequently at international meetings and has won several awards for his work at these meetings as well. 

Dr Sujith has been involved in the setting up and development of the general surgery services at Alexandra Integrated Hospital, Singapore since June 2018. Leading the clinical services planning for surgical services at Alexandra Hospital, he also plays a key role in the integration of the surgical services in the NUHS cluster. His specialty is General Surgery and he has special interests in Minimally Invasive Surgery, Complex Hernia Surgery, Diagnostic and Therapeutic Endoscopy.