Liz Macdonald is a perinatal psychiatrist who has worked in Maternal Mental health for many years. She is Clinical Head at the Mother and Baby service at Princess Margaret Hospital Christchurch, where she leads a team that provides in-patient and out-patient treatment for pregnant and post-partum mothers with mental health disorders in the South Island. Liz is particularly interested in maternal mental illness's effects on infant development. She has a post-graduate diploma in Infant Mental Health from the University of New South Wales.