Sustainability Assurance Team

Our People

Deep expertise. Practical insight. Real-world experience.

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Simon Love

Head of Sustainability Assurance

Simon has been working in sustainability since 2007, both in New Zealand and overseas. He has experience in delivering sustainability strategies, carbon footprints and life cycle assessments, and has a keen understanding of how sustainability translates into business value.

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Darren Patterson

Manager - Future Sustainability Programmes

Darren has over thirty years of work experience in sustainability in New Zealand and the United Kingdom. He has experience implementing and managing sustainability initiatives, including setting and monitoring science-aligned emissions targets, and undertaking audits for Sustainability-Linked Loans. He manages the Future Sustainability Programmes team, focused on developing new assurance and advisory initiatives. Darren is also an advisor to the Minister for the Environment on waste issues.

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Susanna Wills

Senior Specialist - Future Sustainability Programmes

Susanna has a technical background covering farming, freshwater, GIS, and indigenous biodiversity. In her role at AsureQuality, Susanna works with customers to facilitate the creation and rollout of new sustainability assurance programmes, as well as audit delivery and training support. Susanna lives on a sheep and beef station in Hawke’s Bay.

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Rosemary Taggart

Specialist - Future Sustainability Programmes

Rosemary supports the development, implementation, and ongoing operation of sustainability assurance programmes across the primary sector. She has particular expertise in assessing the equivalency of sustainability assurance programmes and relevant domestic and international requirements. Having grown up on a dairy farm in Mid-Canterbury, Rosemary has a thorough, hands-on understanding of intensive primary production systems.

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Henry Lissaman

Programme Specialist - Freshwater Farm Plans

Henry brings strong technical expertise in farm planning, water quality and sustainable land management across roles in New Zealand and the UK, including extensive experience engaging with farmers and regulators. His current focus is AsureQuality’s appointment programme for freshwater farm plan certifiers and auditors. Having grown up on an irrigated sheep and cropping farm in Marlborough, now developed into a vineyard, Henry brings a practical understanding of diverse farm systems.

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Grace Ransby

Delivery Lead

Grace brings a deep understanding of compliance, quality management, and service improvement to the Sustainability Assurance team. As Delivery Lead, she ensures effective project and process management practices, continuous improvement, and quality control. She ensures the team operates smoothly, meets performance goals, and delivers work on time and in budget. Grace is an ICAgile Certified Professional.

Why Choose Us

         
  Trusted by leading institutions.   We work with public and private organisations, including major banks in New Zealand, aligning work outputs to their identified sustainability goals.  
         
  Specialists with deep industry and assurance expertise.   Our team brings decades of experience across sustainability, auditing, and primary production, with recommendations grounded in data and sector best practice. You gain expert guidance, reduced risk of errors, and the confidence that your decisions and programmes are credible, defensible, and aligned with industry expectations.   
         
  Accredited assurance you can rely on.   As AsureQuality is a JAS-ANZ accredited Conformity Assessment Body, our services and processes meet international expectations, enhancing trust with customers, regulators, and global markets.  
         
  Accelerated progress and operational efficiency.   Our project management expertise, combined with deep technical insight, helps you focus on the actions that deliver the greatest benefit fastest - saving time and resources while driving meaningful, measurable sustainability improvements.