Professor Sir Mason Durie (Rangitane, Ngāti Kauwhata) is the Senior Advisor to Te Rau Matatini. Mason completed a medical degree at the University of Otago before undertaking postgraduate training in psychiatry at McGill University. Subsequently he became Director of Psychiatry at the Palmerston North Hospital, a Member of the Australian and New Zealand College of Psychiatry (1971), and a Fellow of the College (in 1979). In 1988 he was appointed Professor and Head of Te Pūtahi-ā-Toi, School of Māori Studies at Massey University and was appointed to the Chair of Māori Research and Development in 2002. Mason has now retired from Massey University. He continues to provide leadership and support to Te Rau Matatini.