I tohua a Kaiwhakawā Michael Doogan ki te Kooti Whenua Māori i te 25 o Hānuere 2013.
Kei Te Whanganui-a-Tara ia e mahi ana, e whakarato tautoko ana ia mō ngā kōtitanga i te Kooti Whenua Māori o Te Rohe o Aotea me te whakawā i ngā kēhi i Taumarunui, Tūrangi, Te Papaioea me Porirua.
I puta te ihu o Kaiwhakawā Doogan i Te Kunenga ki Pūrehuroa me te Tohu Paetahi o ngā Toi Whānui i te tau 1983 ka whiwhi anō ia i tōna Tohu Paetahi Ture mai i Te Whare Wānanga o Ōtākou i te tau 1986. I tīmata tana mahi hei kaimahi tari mā tētahi Kaiwhakawā i Kirikiriroa i te tau 1986, ā, i mahi ia roto umanga ture tūmataiti me te kaunihera i Te Whanganui-a-Tara i mua i te neke ki Ingarangi i te tau 1990. I waenga i te tau 1990 me te 1995 i mahi ia rō umanga ture tūmataiti i Ingarangi i mua i te hoki mai ki Aotearoa ki tētahi tūranga i roto i te rōpū Ture Tūmatanui me Simpson Grierson i Te Whanganui-a-Tara. I te tau 1998 i whakauru i ki te Rōpū Take Tiriti me Ngā Ture o Tāwāhi i Te Tari Ture o te Karauna.
I te tau 2005 i tīmata a Kaiwhakawā Doogan ki te mahi hei poutoko ture i Te Whanganui-a-Tara. Hei poutoko ture, ko Kaiwhakawā Doogan te rōia mō ngā tūmomo kiritaki Māori maha i te Kooti me Te Rōpū Whakamana i Te Tiriti o Waitangi.