LIEN Wen Sze graduated with a bachelor's degree in Mathematics and Chemistry from the University of Singapore.  She continued to obtain her Ph.D. in Chemistry and a Post-Graduate Diploma in Business Administration from the same university.

She started her career in the Singapore Institute of Standards & Industrial Research (SISIR) for 7 years and her last position held was Manager of Analytical & Consultancy Services.  She joined Nestle R&D Centre Singapore Pte Ltd in 1982, first as the Laboratory Manager in charge of Instrumental analytical laboratories to support in-house research projects and development of new analytical methods, before rising to the position of Culinary Support Manager.  In this role, she led a team of professionals to create and industrialize new culinary products for Nestle group of companies in the Asia Pacific region covering 14 different countries.  Her last 4 years were spent overseas in the Nestle R&D Centre Shanghai Pte Ltd as Head of Culinary Products & Consumer Practices starting up the R&D Centre in Shanghai from scratch; leading a team of technologists and chefs to develop culinary products for retail and food services consumers in Greater China Region.  After this exciting stint, she is currently the Group Manager, Culinary, of Nestle R&D Centre Singapore Pte Ltd.

Dr LIEN Wen Sze is a fellow of the Singapore National Institute Chemistry and Royal Society of Chemistry & Chartered Chemists (UK).  She also served as a council member in several SIFST councils. She was an organizing committee member of SIFST events, such as the Food Microbiology symposium and the 7th World Congress of Food Science & Technology, and sat on the Food Product Award Committee.

She has contributed greatly to food science education and training through aspects, such as being the supervisor of post-graduate students from various Chinese universities (2001 to 2005), the Honorary Professor of East China University of Science and Technology in Shanghai (2002 to date) and Advisory board member of Singapore Temasek Polytechnic, School of Applied Sciences (prior to 2001).  Her other professional involvements include being the member of the International Life Sciences Institute (USA) and Advisor of functional food research program (prior to 2001).