Holds a BSc., MSc, and PhD in Food Science from the University of Minnesota, St Paul, Michigan State University and Rutgers University - The State University of New Jersey, in the USA, respectively. She serves a dual role in Food Industry Asia (FIA), Head, Scientific & Regulatory Affairs and Director to the ASEAN Food & Beverage Alliance (AFBA). She was formerly the CEO of Unipeq Sdn. Bhd., a wholly- owned company of UKM Holdings. Unipeq provides training, consultancy and laboratory services to the food and related industry. Prior to that, she was an Associate Professor at the Food Technology Programme in UiTM.

She has more than 20 years training and consultancy experience, first as an academician and later as a continuous professional development trainer for the food industry and government personnel in Malaysia. Her forte is in Food Safety and Quality courses like GMP, HACCP, Shelf-life, Food Packaging, and Halal.

Apart from teaching, Dr Siti also sits in several committees in the Malaysian Ministry of Health, such as the Codex Working Committee in Food Contaminants and Food Additives. She is also the current President of the Malaysian Institute of Food Technology (MIFT), a professional body for the Food Science & Technology profession in Malaysia.