He is to replace Jayantha De Silva, who will be leaving as the Secretary to the newly-created Ministry of Technology.
At the time of his appointment, he has been serving as a Board Member of ICTA and is also the Chairman of the Technical Committee for the Sri Lanka Unique Digital Identity project.
He was also the chief architect in establishing the Sri Lanka Institute of Information Technology (SLIIT) in 1999 and is currently holding the position of its Vice Chancellor and CEO.
An Electronic and Telecommunication Engineering graduate from the University of Moratuwa, Prof. Gamage also holds a PhD from the University of British Columbia, Canada, where he is also an Affiliate Professor. In 2000 he won The Outstanding Young Person of the year (TOYP) award for Academic Leadership.