Fiona Walmsley is the General Manager of Sustainability at Virgin Airlines. She joined Virgin in June 2023, after over 7 years as the General Manager of Climate & Environment at Woolworths Group, during which she played a key role in transforming the business into a best-practice leader in sustainability. She has been working in sustainability-related roles for more than 20 years, including many years in professional services, and was as a Director in Deloitte’s Sydney Sustainability Services practice. Holding both undergraduate and post-graduate qualifications in engineering, she enjoys working on complex, interconnected problems.

Siobhan Leach is the Group Sustainability Officer for global health care provider, Ramsay Health Care. Ramsay Health Care provides quality health care through a global network of clinical practice, teaching and research. Employing over 90,000 staff, Ramsay Health Care’s global network extends across eight countries.

Working with the global sustainability leads, Siobhan’s role is to deliver the Ramsay Cares sustainability strategy across three sustainability pillars of: caring for our people, caring for our planet and caring for our community. Siobhan has worked in sustainability and environmental management for over 20 years and has a wide range of experience in sustainability strategy, reporting and governance.

Siobhan is excited to be working in the health care sector at this challenging time helping to deliver stronger communities, healthier people and a thriving planet.

Ricky Bridge is a highly experienced leader in environmental management and corporate sustainability, with a career spanning over 22 years across the private and public sectors. He holds a Bachelor’s degree in Environmental Science and a Master’s degree in Science and Technology with a specialisation in Environmental Management, Climate Change and GHG Emission Accounting, Circular Economy, Sustainable Finance, Corporate Sustainability Reporting, and Governance.

Since joining Downer in 2009 as an Environment and Sustainability Advisor, Ricky has significantly contributed to the company’s sustainability initiatives. In 2015, he was appointed as Group General Manager of Environment, Sustainability and Reporting, and in July 2024, he was promoted to the role of Executive General Manager, Environment, Sustainability and Reporting. Risk is responsible for leading Downer’s Sustainability and Environment function, delivering Downer’s ESG Strategy, Sustainable Finance, Environmental Management along with Downer Sustainability and Climate Change Reporting and Disclosures.

Richard is the Chief Sustainability Officer at Australis Post; a government business enterprise that plays a critical role connecting communities across Australia. Leading the team responsible for developing and embedding the sustainability strategy, Richard drives the integration of sustainability priorities within the enterprise strategy to achieve lasting change.

With over 25 years’ experience dedicated to sustainability, climate change and environment, Richard’s background spans various roles in listed organisations, professional services as well as industrial and consumer product sectors. Most recently, Richard joined Australia Post after nine years as Head of Sustainability at Cleanaway, Australia’s leading integrated waste management provider.

Richard is a passionate believer that integrating sustainability values and principles into business strategy is vital to long-term success.

Amanda is a purpose driven leader focused on creating and leading shared value. Amanda’s career began in assurance, followed by roles in learning and development, corporate responsibility, social impact, gender equality and consulting. As an experienced sustainability leader Amanda strongly advocates for the role business can play in contributing to positive and inclusive impact. As Head of Sustainability, Community, Diversity & Inclusion at Medibank Amanda leads a team who co-designs opportunities for Medibank to create sustainable, healthy futures for their customers, people, community and planet.

Amanda is a Graduate of the Australian Institute of Company Directors and member of Chartered Accountants Australia New Zealand. She has studied Executive Leadership at INSEAD and has a Master of Education and Bachelor of Accounting.

Nathan is currently Group Manager, Climate and Sustainability at Downer, and has ~9 years experience across industry and consulting roles within ESG. In this role, Nathan leads Downer’s sustainability reporting priorities and contributes to Downer’s sustainability strategy. Key priorities include navigating the complexities of climate-related reporting, as well as formulating and implementing Downer’s decarbonisation strategy.

Before joining Downer, Nathan spent ~5 years in consulting, specialising in sustainability, climate change, and financial assurance and advisory. These roles honed Nathan’s expertise in carbon accounting, sustainability reporting, and regulatory compliance across a wide range of industries.

Paolo is an Executive that has delivered industry leading programs and solutions at both a project and organisational level across real estate and energy sectors in multiple geographies over a 20-year career.

In November 2022, Paolo was appointed Frasers Property Limited inaugural Group Head of Sustainability. In this role, Paolo is responsible for sustainability strategy for the Group’s multinational and diversified operations.

Prior to this role, Paolo was the founding General Manager and Chair of Frasers Property’s Real Utilities, an energy retailer and utilities business, delivering carbon neutral energy to customers.

Prior to Frasers Property, Paolo held various sustainability and renewable energy roles, working on some of Australia’s leading green building projects and new business solutions.

Paolo is Vice Chair of the International Living Future Institute and Chair of the Property Council of Australia’s National Sustainability Roundtable.

Christina Wilson is currently the Chief People & Sustainability Officer for Team Global Express, where she leads the People and the ESG Teams. Prior to this she was at Russell Reynolds, a leading executive search and leadership advisory firm, where she led the global Transport & logistics practice, including supporting Industrial businesses in leadership solutions in the Asia Pacific region.

Christina has more than 20 years of global leadership experience in transformation, strategy, customer experience, sales, marketing and operations, including her role as Global Head of Marketing, Customer Centricity & Insights at Toll Holdings and senior executive roles with Origin Energy and General Electric Australia.

Most recently, she joined the UNHCR Bali GABF forum representing the supply chain businesses in Australia, committed to eradicating modern slavery in South Asia and Asean.

Christina holds a Bachelor of Engineering (Chemical) from the University of Melbourne and is a graduate of the Australian Institute of Company Directors, currently serving as a non-executive director and board member of Opportunity International Australia.

As Sustainability Lead at Colgate-Palmolive South Pacific, Hannah is at the forefront of progressing the company’s sustainability and social impact strategy across the South Pacific Region.

In this role, Hannah’s recent initiatives include achieving zero-waste manufacturing in Australia, providing local support for product teams to achieve the company’s packaging goals such as reducing reliance on virgin plastic and increasing the use of recycled content, as well as progressing growth projects that deliver more oral health education in communities that need it most.

Leveraging her commercial background, Hannah combines product and people focused strategies to support Colgate’s ongoing commitment to a more sustainable and healthier planet for all.

Kate Carroll is an experienced sustainability leader with expertise spanning environmental systems, resource management, business strategy and corporate sustainability. With an environmental science background and MBA, Kate combines scientific insight with strategic acumen to create impact and value. Having worked across mining and manufacturing, banking and finance and most recently within the fashion and retail industry, Kate is passionate about aligning business success with positive social and environmental impact. Kate is focused on fostering strong, collaborative relationships to leverage sustainability as a catalyst for innovation and systems change.

Gautham Ganesh is a Senior Corporate Account Manager at Strive by STX, the climate action division of STX Group, a global leader in environmental commodities trading.

In this role, he supports Australian corporates with bespoke decarbonization solutions leveraging environmental commodities. With a consultative approach, he supports companies to achieve their sustainability goals while navigating the complexities of evolving environmental markets and regulatory compliance, all while optimizing financial performance.

With nearly a decade of experience across Europe and Asia-Pacific, Gautham is an expert in sustainability strategy, market development, and corporate engagement. Before joining STX, Gautham held various commercial roles in industrial automation and climate advisory, fostering long-term partnerships with strategic accounts and supporting corporate transitions to low-carbon solutions.

Gautham holds a Global MBA in Sustainability and Strategy from ESSEC Business School France/Singapore and a Bachelor of Science in Mechanical Engineering from Karlsruhe Institute of Technology, Germany.