Jayampathy Wickramaratne, PC is a Sri Lankan lawyer and politician. He was a national list member representing the United Left Front in the 2015 Parliament. A former director of Programs of the Institute of Constitutional Studies in Colombo, he has served as a Senior Adviser to the Ministry of Constitutional Affairs and was a member of the Sri Lankan Law Commission.
He entered parliament in 2015 General Election from the National List of the United National Front for Good Governance (UNFGG) coalition representing the United Left Front. He was also appointed as the Parliamentary Secretary to the Prime Minister to be in charge of the Constitutional Assembly process during the Yahapalana (Good Governance) government.
Wickramaratne was the key person behind the proposed 2018 constitution of Sri Lanka.
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