Eng. D. Abeysiriwardena is a Chartered Civil Engineer and presently working as Director of Irrigation for the subject of Water Management in the Irrigation Department. In addition to above official responsibilities, he is the present President of Association of Public Service Engineers which is the professional association having membership of entire Public Sector Engineers. He has extensive experience in the field of Civil Engineering for more than 28 years mainly in the Government Sector and about 3 years in Private Sector.
He is graduated from University of Peradeniya, BSc Eng in Civil Engineering and member, Institution of Engineers Sri Lanka. He is a leading character in the Public Service and contributed a lot to developed Engineering Profession and Technical Services such as introducing a government circular to recognize Chartered Engineers by giving special allowance, restructuring of Technical Departments and preparation of Scheme of recruitment (SOR) etc.
He has written books on Irrigation Management, Irrigation Projects, Hydraulics Civilization of Sri Lanka and Public Service Engineers. And also he has published many paper articles about engineering profession in national news papers. He is a part time lecturer for Engineering Diplomats at Irrigation Training Institute (ITI), Galgamuwa and Kothmale International Irrigation Training Institute (KITI).