Dr Gillian Lim is a Senior Consultant Psychiatrist at the Institute of Mental Health (IMH) and currently serves as Chief of the Central Region. She is also the Head of the Perinatal Mental Health Service within the Department of Mood and Anxiety. She obtained her MBBS from Singapore in 2011 and completed specialist training in psychiatry with the award of MRCPsych (UK) and MMed (Psychiatry) in 2014. 

She was accredited as a Specialist Psychiatrist in 2017. Dr Lim's clinical interests lie in perinatal psychiatry and community and general adult psychiatry. In addition to her clinical leadership, Dr Lim holds multiple administrative and programme leadership roles, including Chairperson of the Collaborative Prescribing Committee, Clinical Lead for the Virtual Ward Programme, and Co-Lead for NHG ASCATs. 

She is actively involved in service development, integrated care models, telemedicine, and community mental health partnerships. Dr Lim is deeply committed to medical education. She is a Core Clinical Faculty member in the NHG Psychiatry Residency Programme, an Adjunct Lecturer at Lee Kong Chian School of Medicine and Clinical Senior Lecturer at NUS Yong Loo Lin School of Medicine.