Bella is a chartered accountant, a member of the Association of Corporate Treasurers UK, has a Masters in Management Studies from Waikato University, and has more than 17 years’ experience in energy and utility industries.

Bella has held executive positions in iwi and corporate organisations, and is now a full time professional director. She is a trustee of Maniapoto Māori Trust Board and North King Country Development Trust. She holds directorships on Crown and commercial entities, including Te Ohu Kai Moana, ACC, Lines Company, Crown Infrastructure Partners and Te Kupenga o Maniapoto. Bella is also a member of the group audit and risk committee for Waikato-Tainui.