Sharon Johnston grew up in Sault Ste. Marie and graduated with a degree in physical and occupational therapy from the University of Toronto. She completed a doctorate in rehabilitation science from McGill University and ran a horse-training business called Chatterbox Farm. Among her many duties as the wife of Governor General David Johnston, Her Excellency finds time to recount the struggles of veterans adjusting to life in Canada after the Great War. Presently, she resides at Rideau Hall in Ottawa.