Up to September 2021, Gerrard has been the Chair of Ngā Tāngata Tiaki o Whanganui, the post-settlement governance body for Te Ati-Hau-nui-a-Paparangi/Whanagnui Iwi, established at settlement of the tribe’s claim over the Whanganui River in 2014.
Gerrard lead the negotiations with the Crown that resulted in the legal recognition of the Whanganui River as Te Awa Tupua - a living and indivisible, physical and metaphysical whole.
He has more than 25 years professional experience working in local government and for his iwi, in policy and practical application of environmental resource management.
Gerrard is a senior member of the Māori community and holds unique and insightful views on the Māori world view of innate connection between the natural environment and people as a pathway to a greater sense of community for care for rivers.
Te Awa Tupua - Managing People within a River's Context