Ngāti Porou, Ngāpuhi, Ngāti Tamaterā
Ko Herewini Te Koha te Kaiwhakahaere o Ngā Mātārae e mahi ana i te Kaunihera o Tāmakimakaurau ki te whakakaha i ngā hononga ki te mana whenua o Tāmaki Makaurau me ngā hapori Māori.
He whānui rawa te wheako rāngai tūmatanui o Te Koha i roto i te whanaketanga Māori me te tukunga ihotanga o te hautūtanga iwi kaha. Ko ētahi o ana tūnga o mua ko te Hekeretari Tuarua ki Te Puni Kōkiri, te Tumu Whakarae ki Te Māngai Pāho, me te Kaiwhakahaere Tuarua ki te Office of Treaty Settlements. Ko ia hoki te Tumu Whakarae o mua o Te Rūnanganui o Ngāti Porou.
Kei roto i ngā wheako mana urungi a Te Koha ko te mahi hei hoa hea o te rōpū mana urungi Manaaki Tairāwhiti, ā, ko ia tētahi o te tokotoru i kopoua e te rūnanga ki Te Haeata, te tīma whiriwhiri i ngā kerēme Tiriti o Waitangi o Ngāti Porou. I kopoua a Mr Te Koha ki te Taraipiunara i te tau 2021.