"It's the legacy, what do we want to leave our kids?"
The project would focus on health issues that had affected Maori at higher rates.
Mr Rahiri said a lot of the programmes directed at Maori were not helping to improve health.
"It's a new approach for us. This time we're running it," he said.
Steph O'Sullivan, chief executive of Ngati Ranginui Iwi Society, said the aim was to increase health engagement and involvement with Maori in the area.
The project would entail promoting healthy eating and lifestyles, through plans such as the establishment and upkeep of gardens on maraes and activities such as fun runs up Mauao, to "confidently engage" Western Bay of Plenty Maori.
"We are wanting pathways for healthy lives for our people," Ms O'Sullivan said.