Sue is a prominent psychiatrist and psychotherapist who took her degree in English literature at Cambridge before qualifying as a doctor. She worked in the National Health Service for many years, becoming the lead clinician for psychotherapy in Hertfordshire. She currently teaches at The Tavistock Clinic in London and is consultant to the DocHealth service. She is married to Tom Stuart-Smith, the celebrated garden designer, and, over 30 years together, they have created the wonderful Barn Garden in Hertfordshire. Her book, The Well Gardened Mind analyses the relationship between gardening and mental health.