Hertha teaches at: London Centre for Spirituality, St Edmund the King and Martyr Church, Lombard Street, London, EC3V 9EA.

Hertha Koettner-Smith has a Diploma in Fine Art (Slade) and a BA Humanities (Open University). She has worked as a healer within The Healing Trust since the early 1980s. She runs a Healing Trust Development Group in London for healers and student healers. Hertha is actively engaged in spiritual guidance as well as Energy Healing in London, and she is a regular contributor to Healing Today.