A. R. Rasiah possesses several decades of experience in finance and commerce at a senior level, both internationally and locally, being on the boards of several public and private companies in Sri Lanka as Executive and Non-Executive Director. Most recently, he was a Visiting Lecturer on Finance and Accounts for Nestle SA for the Africa-Asian and Oceanic Regions, travelling overseas extensively. He was also a Visiting Lecturer at The Institute of Chartered Accountants of Sri Lanka and for MBA students at the Post Graduate Institute of Management (PIM). He is a former President of the Benevolent Society of the Institute of Chartered Accountants of Sri Lanka and Immediate past Chairman of Sri Lanka Institute of Directors.