Dr Lee Yingshan is a Senior Consultant at the Department of Endocrinology in TTSH. After completing her medical degree in the National University of Singapore in 2008, she went on to complete her training in Family Medicine in 2012. She completed and obtained her Endocrinology specialist accreditation in 2016. In 2019, she completed a fellowship in Obesity Medicine at Austin Health, Australia, under the tutelage of Professor Joseph Proietto.

She now runs a multidisciplinary Obesity service in TTSH, and is the Vice-President of SASO (Singapore Association for the Study of Obesity).