He was President of the Institute of Certified Public Accountants of Singapore (now known as Institute of Singapore Chartered Accountants) from 1982 to 1992. He is currently Chairman of Stirling Coleman Capital Ltd and holds non-executive directorships in several other companies. He is on the Board of Singapore International Chamber of Commerce of which he was Chairman from 1995 to 1997. He has also served as Adjunct Professor in the School of Accountancy and Business of Nanyang Technological University.