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Ngā Tumu are responsible for the day-to-day leadership of the organisation.

Dr. Jim Mather

Te Taiurungi / Chief Executive
BBus, MBA, PhD, ACA
Ngāti Awa, Ngāi Tūhoe

Jim has held a number of chief executive roles at crown entities and brings a strong commitment to indigenous development and whānau transformation.


John Whaanga

Te Taituarā / Deputy Chief Executive
BA, MEd
Ngāti Rakaipaaka, Ngāti Kahungunu, Ngāti Rongomaiwahine

John has extensive experience working with and for Governement and Māori across a range of sectors, notably education, health and indigenous development.


Tracey Hook

Tumutahua / Executive Director – Finance
BBS, CA
Te Āti Haunui a Pāpārangi,  Ngā Wairiki

Tracey had a 14-year career with Tainui Group Holdings, the commercial arm of Waikato-Tainui, where her most recent role was the Acting Chief Financial Officer.


Keri Milne-Ihimaera

Tumuratonga / Executive Director Tauira Services
BA, DipTchg, Higher Diploma Teaching
Ngāi Tahu, Ngāti Mamoe

With more than 25 years of leadership experience in primary and secondary education, Keri brings an in-depth understanding of the needs of our tauira and the challenges that they face.


Leesah Murray

Tumutaumatua / Executive Director, Quality & Corporate Services
BBIM, MBA
Ngāti Maniapoto, Ngāti Tūwharetoa

Leesah brings a wealth of experience across all areas of the organisation’s operation including governance, executive management, strategy, performance, quality, communications and stakeholder management.



Hone Paul

Tumukahuroa / Executive Director Marketing
GradDipBus, BBus
Ngāti Manawa, Ngāi Tūhoe, Ngati Awa, Te Arawa

Hone has developed many successful campaigns for well-known media brands in New Zealand and Australia. He brings extensive experience in advertising, brand strategy and consumer engagement.


Brent Sincock

Tumuwhanake / Executive Director People

Brent brings more than 25 years of national and international expertise in human resource management and leadership across a range of sectors including health, banking, insurance and tertiary education.


Grant Strang

Tumuhangarau / Executive Director Information Technology

MBA, DipBS, MIIE, MIITP, CITP

Grant has held Executive ICT and Management positions for a number of significant New Zealand organisations including, Telecom NZ, Genesis Energy, the New Zealand Racing Board and Tauranga and Dunedin City Councils and brings best practice ICT experience.


Nepia Winiata

Tumuaramātauranga / Executive Director Education Delivery Services

Ngāti Raukawa

Nepia has held senior management roles at Te Wānanga o Aotearoa and has more than 30 years of experience across the corporate, finance, processing and education sectors.


Pakake Winiata

Tumuakoranga / Executive Director Programmes & Development

BMA (Hons), MMM, Te Panekiretanga o Te Reo

Ngāti Raukawa, Ngāti Awa, Ngāti Whakaue

Pakake has taught te reo Māori and mātauranga Māori up to tertiary level for more than 30 years and has held management roles within the tertiary sector.


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