Stewart Bull (Ngāi Tahu, Kāti Māmoe, Waitaha) is a respected environmental leader whose lifelong dedication has helped shaped some of Aotearoa New Zealand’s most significant conservation efforts. A founding member of Predator Free Rakiura,this project aim is to eradicate mammalians from Rakiura/Stewart Island. Also a founding member of Te Ao Marama inc, the natural resource management group overseeing local iwi interests in RMA and local govt.A founding member of the Fiordland Marine Guardians since 1995, he has been central to protecting the Fiordland marine environment through collaborative governance, policy leadership, and deep community engagement. His long-standing stewardship also extends to Rakiura, where he serves as Chairman of the Rakiura Tītī Committee and a founding member of the Rakiura Tītī Islands Administering Body.

As part of Stewart’s guidance, predator eradication has now been achieved on around 70% of the Tītī Islands, enabling the steady return of native species including tīeke, tūī, and bellbird etc. A strong advocate for sustainable utilisation of natural resources, he has been a consistent voice calling for the protection of Southland’s waterways and ecological balance.also is active as a Tangata Tiaki kaitiaki managing local customary fisheries but also is involved with management of various commercial fisheries. A past long-term member of the Southland conservation board alongside the Whenua hou komiti and kaitiaki roopu managing flora and fauna to better accommodate our indigenous species. was Recognised with the Queen’s Service Medal in 2018, Stewart continues to champion thoughtful, community led conservation that protects our natural world for generations to come.