Mr. Thumilan is one of Sri Lanka’s youngest successful businessmen, and heads many successful enterprises in very diverse fields of activity. He is the Chairman and CEO of the Achievers Group and also director and consultant to many other leading companies in Sri Lanka.

He is a member of the Institute of Chartered Accountants of Sri Lanka and Chartered Institute of Management Accountants of UK and also many other professional bodies

He has been actively involved in numerous committees of professional institutes He is a leading lecturer in the professional Accountancy courses (CA, CIMA, ACCA & etc.) lecturing many subject for the final level students in Sri Lanka and overseas.

He has exposure to various functions in organizations while specializing in manufacturing, marketing, corporate finance & planning and human resources management.