Priyantha Jayawardena is a sitting Judge of the Puisne Justice of the Supreme Court of Sri Lanka.
In 1994 after pursuing a master's degree in commercial law from the University of Aberdeen United Kingdom and returning to Sri Lanka he joined Attorney-General's Department as a state counsel.
During his time in the UK having completed Qualified Lawyers' Transfer Test he was enrolled as a Solicitor of the Courts of England and Wales.
He was also a visiting lecturer of commercial law at the University of Moratuwa (Department of Building Economics).
Jayawardena serves as board member, director, legal consultant for many government organisations and private sector institutes.