Jamie Sinclair was appointed chief executive of Watercare in June 2025, following an extensive career in both the public and private sectors across New Zealand and the United Kingdom. Prior to stepping into his current role, Jamie served as deputy chief executive and chief corporate services officer at Watercare, where he led finance, people and culture, legal, and health and safety functions.

A qualified accountant with a degree in management studies from the University of Waikato and a postgraduate diploma in environmental management, Jamie brings a unique blend of financial expertise and environmental insight to the role. His career has spanned audit, change management, and executive leadership, including seven transformative years with Ngāti Whātua Ōrākei, where his positions included chief executive of the Trust.

Jamie is passionate about people, partnerships, and performance. He is leading Watercare through a period of significant change as it becomes a financially independent and fully regulated utility. With a $13.8 billion investment plan over the next decade, Jamie is focused on delivering for Aucklanders while strengthening relationships across the sector, with mana whenua partners and key stakeholders.