Dr. Mahanamahewa holds Doctorate, Master’s and Bachelor’s degrees in Law from the University of Queensland (Australia), University of Melbourne (Australia) and the University of Colombo (Sri Lanka), respectively. He is an attorney-at-law in the Supreme Court of Sri Lanka and has membership in the International and the Sri Lanka Bar Association.
He was senior lecturer, Faculty of Law, University of Colombo in Sri Lanka.
A former Human Rights Commissioner of Sri Lanka, he represented the World Sri Lankan Association in the recently concluded 39th Session of The United Nations Human Rights Council (UNHRC) in Geneva.