​Dr. Lee Huei Yen graduated from the Royal College of Surgeons in Ireland (MBBCh), and subsequently returned to Singapore to pursue her postgraduate training in Psychiatry. She was awarded the MMed (Psychiatry) by the National University of Singapore (NUS).

She joined SGH in 2004 as an associate consultant.  She was awarded the SGH Fellowship (Eating Disorders) and worked with Professor James Lock at the Eating Disorder Unit, Child and Adolescent Psychiatry in Stanford University from 2005-2006. She was the director of the Eating Disorder Programme at SGH from 2008-2015, then she became the Head of Psychiatry from 2016 to 2022.

She is an adjunct assistant professor with both the NUS Yong Loo Lin School of Medicine and the Duke-NUS Medical School. She is also part of the core clinical faculty of the National Healthcare Group Psychiatry residency programme.

Dr Lee sees most general psychiatry cases and has a special interest in eating disorders.