Dr Toh is an Associate Professor at the Nanyang Technological University, Founder Chairman of Goodwins Law Corporation, author of Paperless International Trade: Law of Telematic Data Interchange (Butterworths Asia, 1992) an editor of Electronic Commerce Law Review and a member of the international advisory panel of e-Business World (International Chamber of Commerce). Dr Toh advises various companies and the Dubai Internet City on the legal issues of information technology and Electronic Commerce/Electronic Business (EC).

Dr Toh is a former Singapore Member of Parliament and former Chairman of Aljunied Town Council (population 100,000 plus). He sits on Singapore Committees such as the National Trust Council and the National Internet Advisory Council. At the same time, he is a member of the International Chamber of Commerce (ICC), Asia Pacific Council for Trade Facilitation and Electronic Business (AFACT) and International Organisation of Standards (ISO) Working Groups on issues relating to eCommerce. As an entrepreneur, Dr Toh is founder Chairman of Tinyred.com Pte Ltd, IOEC Pte Ltd, CommerceTrust Ltd, and CommerceNet Singapore Limited (part of a global consortium of EC companies). Dr Toh is also actively involved in promoting EC and education in EC issues.