Margaret is Professor of Māori Studies at the University of Auckland where she teaches and conducts research on Māori language, tikanga (law), history and traditions, rights and sovereignty, Te Tiriti o Waitangi and treaty claims against the English Crown, constitutional transformation and Māori-Chinese encounters.
She holds a BSc in mathematics, an MPhil in Māori Studies, a PhD in Māori Studies specialising in linguistics and a DipTchg. She has published three books, one on the history and traditions of her hapū, Te Whānau Moana, one on the grammar of the `Ua Pou dialect of Marquesan and her most recent, The State of Māori Rights. She has also published numerous articles and book chapters and is called on frequently by local, national and international media to provide information and expert commentary.
Margaret is the chair of her iwi (nation) parliament, Te Rūnanga-ā-Iwi o Ngāti Kahu of the Far North and of two of her marae. She has been a mandated representative of Ngāti Kahu and of Māori in a number of national and international fora. She has three children, six grandchildren and a huge extended family.