Mission Profile

John & Geetha Warner

Esther George

John Warner trained at Moore Theological College and was ordained in the Diocese of Sydney in 2003. Before accepting the role with BCA, John worked as an evangelist, pastor and church planter with Holy Trinity Adelaide. John is assisted in the SA/NT office by Esther George. John is married to Geetha and they have four adult children.

The South Australian/Northern Territory Regional Office Team
John Warner – Regional Officer
Esther George – Administrative Assistant



The SA/NT region incorporates four Dioceses – Adelaide, The Murray, Willochra and the Northern Territory. In 2021, 1.8 million people were living in SA, with almost 450,000 people in rural, regional, and remote SA. Over 250,000 live in the NT with 11,000 outside the greater Darwin area.


The SA/NT team's Prayer Points for September 2025

  • Pray the SA Christian Vocation (CV) Ministry Conference (26–27 September) will be well attended and many moved to minister in rural, regional and remote Australia.
  • Pray for BCA Sundays at Largs & Tea Tree Gully Anglican, Trinity Brighton & Campbelltown.

    The SA/NT team's Prayer Points for October 2025
  • Pray for the 2025 Roxby Mission, as well as the MOVE NT 2025 Conference on 11 October at Nungalinya College. May many 18–40 year olds be transformed.
  • Pray for Pat & Issy O’Keeffe’s commissioning on 18 October and BCA Sunday at Christ Church Darwin on 19 October.

    The SA/NT team's Prayer Points for November2025
  • Pray as BCA partners with AFES to send a team of uni students on a mission to the Northern Territory. Pray that many will want to live and work in rural, regional and remote communities.