Harriet grew up worshipping in a cathedral community and first experienced a calling to priesthood as a teenager. She studied Music at university, followed by a Masters in History of Art, and worked in the arts and charity sector before training for ordination at Westcott House, Cambridge. Harriet has most recently been the Rector of a rural parish in the Chichester Diocese before her move to Portsmouth in 2023. During her time in Chichester, she was also an Assistant Diocesan Director of Ordinands and a member of Diocesan Synod.

In the Cathedral, Harriet is responsible for learning, participation, the Arts and education as well as being the Chapter Safeguarding Lead.