Dr Wroth graduated in medicine from the University of Sydney in 1981 and became a Fellow of the Royal Australasian College of Physicians in 1992. She began her longstanding involvement in medical care for older Australians in 1990.

Dr Wroth is a Senior Staff Specialist in Geriatric Medicine at Royal Prince Alfred Hospital. She has been extensively engaged in clinical teaching especially in Geriatric Medicine and is a Clinical Senior Lecturer in the Faculty of Medicine and Health, University of Sydney. She has been a consultant to the NSW Medical Council and is a senior member of the Guardianship Division of the NSW Civil and Administrative Tribunal.