Ms Lim obtained a Bachelor of Science degree with Honours in Human Nutrition from the University of Otago, New Zealand, where she was awarded the prestigious Muriel Bell Memorial Prize. She gained a fellowship to pursue a Master degree in Community Nutrition at the University of Queensland.

Ms Lim has extensive experience in nutrition research at an international level as well as having pioneered intervention and educational programs here in Brisbane. She has been the nutritional consultant for the Heart Beat Centre, the Clear Mountain Health Lodge, and the Aboriginal and Islander Community Health Service. She is a board member of the Oceania College of Clinic Nutrition. She is author of the nutrition course run by the Open Learning Institute of TAFE.