Trevor is of Ngati Porou Ngati Awa Ngati Kahungunu descent.

He has worked extensively to promote Māori and indigenous development in governance, operation, and policy-making. His leadership experience across the public service, private sector and Iwi includes roles in Te Reo Maori revitalisation, in wananga, education, international indigenous networks and trade, Maori broadcasting, and Maori business, Iwi and economic development. He has been Co Chair of WINHEC- World Indigenous Higher Education Consortium.

Trevor is currently Poutiaki – Director Te Ao Māori Strategy and Performance at the New Zealand Treasury, working from the Office of the Executive, since October 2014; on building Māori capability and leading Crown Māori engagement, relationships and tax trade investment the Māori Economy regional development and policy. He is committed to making contributions of significance (such as lifting living standards for all New Zealanders). He actively supportsCrown Maori partnerships and collaborations in tackling “BIG” challenges and building prosperity. He also serves as Chair of the Ngati Kahungunu Assets Holding Company Group which manages fishing quota and other assets and relationships including seafood exports to key markets.