Undergraduate
- Senior Lecturer/Professor in the Paediatric course – since 1991 to date
- Examiner – Final MBBS examination of the University of Colombo – 1992 to date
- External clinical examiner for the Final MBBS examinations of the Universities of Ruhuna, Peradeniya, Sri Jayawardenapura, Kelaniya and General Sir John Kotelawala Defence University
- Facilitator and examiner in Streams, Modules and Elective appointment (Clinical Sciences Stream, Community Stream and Behaviour Sciences Stream and Modules on Growth, Development and Nutrition, Endocrine and Metabolism, Cardiovascular Medicine, Respiratory Medicine, Gastroenterology, Reproductive Medicine and Neurology)
- Examiner to the SLMC – Act 16 and ERPM examinations
- Visiting Lecturer, Faculty of Medicine, General Sir John Kotelawala Defence University – 2013, 2014, 2015