Senior Leadership Team

Charlotte holds a PhD in Geology from the University of Auckland. In 2016, she was made an Officer of the New Zealand Order of Merit, in recognition of her contribution as an advocate and mentor for Māori Development and Science. 

Charlotte also has a wealth of experience in working with Māori business as a science advisor and in governance roles in energy, fisheries and farming entities. Prior to being appointed the Māori Trustee in September 2018, her governance leadership roles were primary and energy sector based.

Greg Shaw has been a practising lawyer for 35 years. 

Greg joined the former Māori Trust Office in 2009 as the Māori Trustee’s first General Counsel and was a member of the executive team responsible for overseeing the transition of the Māori Trustee to a standalone organisation and the establishment of the new office of the Māori Trustee – Te Tumu Paeroa.

Prior to 2009 Greg had been a lawyer in private practice. From 2004 his work included advice for and representation of the Māori Trustee and direct appointments from the Māori Land Court. Greg worked overseas for 10 years earlier in his career and is qualified to practice law in England and Wales, and in Brazil.

Over the last 20 years, Greg has been the Chief Legal Advisor to three separate Māori Trustees. His practice areas include Māori land law, trust law, landlord and tenant, company and commercial law, property law, wills and estates, resource management, public law, financial services law, litigation and dispute resolution. He has appeared as sole or senior counsel for the Māori Trustee before the Māori Land Court, Māori Appellate Court and High Court in over 20 reported cases.

Greg leads Te Tumu Paeroa’s Legal Team and Asset Management Team. He is also responsible for relationships with Te Puni Kōkiri’s Statutory Entities, Policy and Legal Teams, the judiciary of the Māori Land Court, the Office of the Minister for Māori Development, the Clerk of the Māori Affairs Committee and Vote Māori Development’s Sector Manager of the Office of Auditor-General.

Greg has been a member of Te Tumu Paeroa’s Investment Committee since 2019 and the Chair of the Committee since 2020. The Investment Committee sets strategy and monitors the performance of the Māori Trustee’s Common Fund and the General Purposes Fund, which together have a market value of over $350 million.

As Head of Legal, Greg has designed and structured all the General Purposes Fund’s enablement investments since 2009, which have included innovative equity primary sector partnerships and joint ventures with Māori landowners.

Greg was appointed to the statutory role of Deputy Māori Trustee in November 2018 and leads Te Tumu Paeroa in the Māori Trustee's absence.

Martin has been with Te Tumu Paeroa, Office of Māori Trustee since 2019. 

Prior to taking up this role, Martin worked mainly in the education sector, with around 10 years in consultancy in New Zealand and the Middle East, 10 years for tertiary providers, 10 years in government education agencies.

Sonya holds a Masters in Social Work from Te Herenga Waka | Victoria University of Wellington, and has a wealth of experience working across the government sector, predominantly advancing the interests of iwi and Māori. Sonya has governance roles with iwi and the primary sector.