Gunawardhana graduated from the University of Moratuwa in Computer Science and Engineering with honours and obtained the Associate Membership of the Institute of Bankers of Sri Lanka. Gunawardhana acquired a Masters Degree in General Management from the University of Colombo and is a member of the project management institute of USA. Gunawardhana holds an Executive Diploma in General Management from Sloan Business School of MIT USA. Gunawardhana is also a passed finalist of the Chartered Institute of Management Accountants (CIMA) of the UK. Gunawardhana is the Chief Information Officer of the Commercial Bank of Ceylon PLC and the Managing Director of CBC Technologies (PVT) Ltd. Before joining Commercial Bank, Gunawardhana worked at HCL Sri Lanka, Virtusa Corporation, Millennium IT, Pramuka Bank, Standard Chartered Bank and JB Stock Brokers. Being in the industry for more than 30 years, Gunawardhana has a vast experience in Technology transformation, Business growth and change management, IT Operation, Business law and contract negotiation and Stakeholder Management.