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Empowering Businesses to Build a Sustainable Future
About Us
At ESG Strategy, sustainability isn’t just what we do, it’s who we are. Founded by industry leaders Lee Stewart, Ann Austin, and Mark Lyster, our team combines passion with a proven track record of driving transformative change in some of the world’s most influential companies. We understand the pressures of a rapidly evolving world and are here to help your business not only adapt but thrive.
Who We Are
With decades of experience as former heads of sustainability, we know firsthand the challenges businesses face. Our tailored strategies integrate sustainability into your operations, empowering leaders and building in-house expertise to create lasting growth, resilience, and success.
Our Team
ESG Strategy unites global experts with deep industry knowledge in sustainability, ESG risk, and climate action. Our team has led award-winning projects across diverse sectors and is driven by a shared mission: making sustainability practical, impactful, and achievable.
Founding Directors
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Ann Austin
Ann has played pivotal roles in the formation of industry groups such as the Materials and Embodied Carbon Leaders Alliance (MECLA) and the Construction Industry Culture Taskforce (CICT).
Mark Lyster
Mark has developed responsible investment frameworks and ESG systems for leading institutions across finance, insurance, and asset management, including CBA, ANZ, IAG, and Colonial First State.
Associates
Miranda Siu
Miranda is passionate about business being a positive driver for change and sustainable business models.
Karl Check
Karl leverages his extensive expertise to empower organisations in navigating complex issues like climate change.
Frank Hubbard
Frank is a seasoned expert in driving ESG strategies across multiple sectors.
