Mary Robertson is Emeritus Professor of Neuropsychiatry at University College London and Visiting Professor and Honorary Consultant Neuropsychiatrist at St George's Hospital and Medical School, where she is a member of the Tourette Syndrome (TS) clinic. She has authored four and edited two books, and over 300 medical publications. In 2006, she was awarded the Doctor of Science in Medicine Degree.

She is Honorary Medical Advisor to TS Associations in Canada, Germany, Ireland, Italy and the UK, and a member of the American Tourette Syndrome Association International Genetic Consortium. She regularly gives lectures nationally and internationally, and has been an advisor to the World Health Organization on stress in neurological disorders and TS.

She has been awarded numerous research prizes and grants and has supervised higher degrees on TS. She has appeared in the media about TS. In 1976, she sailed in a Transatlantic Yacht Race and a circumnavigation in square rigged sailing ship. She has had over 80 poems and 5 photographs published.