Mr Mangala Samarajeewa joined SLT in 1997 and holds a BSc (Eng.) in Electronics and Telecommunications from the University of 
Moratuwa, Sri Lanka and holds Master of Business Administration (MBA). He is a Chartered Engineer and corporate member of The Institution of Engineers Sri Lanka. With 27 years of work experience in various capacities, he has strong managerial and technical skills to provide leadership to SLT’s Network Group. As a professional in the telecommunication industry, he has participated in many overseas trainings, seminars, and various forums organised by international training institutions, top ranking telecommunication service providers, and reputed telecommunication equipment vendors. As Chief Network Officer he has overseen the entire network operation and planning of SLT including transport and access, Global transmission network operations and projects, network services, data centre and cloud services, Power and AC, Service Operations. 

Presently he holds the position of Chief Innovation Officer, he has proven excellence in management of technology and programme management as a senior manager. His major achievements are leading the implementation of National Broadband Network (i-Sri Lanka Programme), Lanka Government Network (LGN) and the SEA-ME-WE-5,6 Submarine Cable System. He has overseen the operations of the Field Services Projects Unit in SLT for fast deployment of the network in the Northern and Eastern Provinces of Sri Lanka and also held a range of positions in operations and maintenance of the SLT network at regional level. He has also sponsored the National fiberisation Programme and initiated the accelerated fiber network development programme.