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Our Board of Directors

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Mark Stewart

Mark Stewart

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Mark was appointed a director in 2025 and is the Group Chief Operating Officer at Southern Cross Healthcare. He has led large national teams and driven innovative, market-led strategies in complex environments. His leadership has been instrumental in guiding large national teams towards operational and strategic excellence. Prior to joining Southern Cross Healthcare, he played a key role in PwC’s work with Whakarongorau Aotearoa during New Zealand’s Covid response and spent a decade at NZ Post overseeing strategy and operations for over 5,000 staff. Mark holds a BSc (Hons) and a PhD in Management Science/Operations Research from the University of Canterbury.

Renate Swart

Renate-Swart

Renate was appointed a director in 2026 and is the Interim Chief Financial Officer at Southern Cross Healthcare. She is a Chartered Accountant and highly experienced executive leader with extensive expertise in finance, strategy, and organisational leadership across New Zealand, Australia, and the United Kingdom. Prior to joining Southern Cross Healthcare, Renate was a Partner at PwC New Zealand. She has also held senior finance leadership roles at Bank of New Zealand, including COO Finance, GM Financial Control, and GM Planning and Performance.

Renate brings over 20 years of experience leading large, complex organisations through transformation, performance improvement, and sustainable growth. Her background spans financial leadership, strategic planning, and operational excellence across a broad range of sectors.