Māori and Pasifika people are over-represented as clients in the Te Korowai Whariki services.To support recovery a kaumātua and whaea lead the services for Māori. A kaumātua and kuia are also based the Regional Rangatahi unit.

Te Korowai Whāriki employs specialist Māori staff.  The Service has a Maori cultural facility, Ruaumoko, to support culturally based programmes for clients.  Ruaumoko provides an environment that acknowledges, supports and strengthens one's Maori identity to assist and promote recovery for tangata whaiora at Te Korowai Whāriki.  Ruaumoko provides sustainable, culturally appropriate, assessment, management, treatment and rehabilitation in hospital, prison and in community for tangata whaiora.

Kuni Shepherd is the kaumatua for Te Korowai Whāriki and is also a member of the Kaumātua Kaunihera. Kuni, along with his colleague, Areta Koopu, are responsible for the Māori component of the service.

Kuni provides support, guidance and direction to the operations managers and other senior staff on Māori protocol, and is also a mentor to the many Māori (and non-Māori clients) who attend programmes at Ruaumoko.

Kuni is a respected member of the wider community.   He has tribal affiliations to Te Whānau-a-Apanui, Ngāti Kahu, Ngāti Porou, Whakatohea, and Ngai-Te-Rangi.

Areta Koopu is a trained mental health nurse with many years of experience working in different areas of mental health.

In her role as whaea she supports the kaumātua and Māori staff and provides support and advice to the operations manager and other senior staff at Te Korowai Whāriki.

She is a member of the Kaumātua Kaunihera group. Areta's tribal affiliations are Ngāti Kahungunu.