[1] Ferguson served as vicar of St Matthew's Palmerston North and then as Archdeacon of Manawatu.
[3] She later served as the Bishop's Chaplain for Ministry Discernment in the Diocese of Wellington, and her final position prior to relocating to Australia, Ferguson was the Canon Registrar for the Diocese of Waikato and Taranaki.
In 2014 Ferguson moved to Australia, where she worked in the Diocese of Brisbane as Rector of the Parish of East Redland as well as Archdeacon of Moreton.
[2] Ferguson was consecrated as an assistant bishop in the Diocese of Adelaide on 21 July 2019.
[3] Ferguson is married to Martin, an army officer who put his career on hold to support her ministry training.