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Professor of Psychiatry, UNSW Sydney

Qualifications: MB.BS. (Hons), FRANZCP, MD.

Current Positions:
Professor, School of Psychiatry, University of NSW
Academic Chair, Psychiatry, St George Hospital
Clinical & Research Psychiatrist, Black Dog Institute, Sydney.
Director of ECT, Wesley Hospital, Kogarah

Colleen Loo is a psychiatrist and clinical academic researcher of the University of New South Wales, based at St George Hospital and the Black Dog Institute. She is an active clinician and researcher, with a particular interest in improving treatments for severe depression : electroconvulsive therapy (ECT) and novel treatments for mood disorders, including Transcranial Magnetic Stimulation (TMS), transcranial Direct Current Stimulation (tDCS) and ketamine. She established the first randomised controlled trials of TMS, tDCS and ketamine in psychiatry in Australia. Her team of researchers is also studying the use of brain stimulation to enhance cognitive functioning (in mood disorders and healthy ageing), and neuroplasticity in mood disorders.


  • –present
    Professor of Psychiatry, University of New South Wales and St George Hospital
  • –present
    Research Psychiatrist, Black Dog Institute
  • –present
    Director of ECT, Wesley Hospital