She was educated at the University of California (BA Physics & Chemistry, 1978) and King's College London (MA, 2001) in Youth Ministry and Theological Education. In 1978, she travelled to the UK while she was on tour (as a sound engineer) for a musical called The Witness. She was a sound engineer for 12 years.
She was appointed Dean of Guildford in 2013 and instituted at Guildford Cathedral on 15 September 2013. She was the first female Dean of Guildford and is one of the most senior female priests in the Church of England (alongside four other female Deans).
She has three children (including a daughter who died in infancy) and her husband is a graphic designer.
- Chapel Studios. "Diocese of Guildford | Could 2014 be the year for Women Bishops?". Cofeguildford.org.uk. Archived from the original on 2014-01-04. Retrieved 2014-01-03.
- BST, Quentin Vacheron Wed 1 May 2013 3:46. "Dianna Gwilliams to be new Dean of Guildford Cathedral". www.christiantoday.com. Retrieved 2019-06-02.
- Surrey Life
- Administrator (2016-04-20). "Dianna Gwilliams - Chair". Inclusive Church. Retrieved 2019-06-02.
- "Dianna Gwilliams to be new Dean of Guildford - Women and the Church". womenandthechurch.org. Retrieved 2019-06-02.
- Newbold, Words Victoria Lazarevic | Photos Andy. "Guildford Cathedral's Dianna Gwilliams, one of Britain's only female deans". Surrey. Retrieved 2019-06-02.
- "Dianna Lynn Gwilliams". Crockford's Clerical Directory (online ed.). Church House Publishing. Retrieved 30 November 2015.
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- "Appointment: Dean of Guildford". GOV.UK. Retrieved 2019-06-02.
- Diocese of Guildford – New Dean of Guildford announced Archived 2013-08-14 at the Wayback Machine
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