He has taken over the reins from Vipula Wanigasekera, who acted in the position for two years from March 2011-March 2013. Prior to him, the post was held by S. Kalaiselvam. Wanigasekara continues in his permanent position as the General Manager of the Sri Lanka Conventions Bureau.
http://www.ft.lk/2013/04/24/treasury-official-is-new-dg-at-sltda/