Deloitte's 2026 Climate Summit

Sarah is a Partner in the Assurance team at Deloitte. She has over twenty years experience in climate resilience, social impact and building digital products. Including direct experience working in Local and NSW State Government, Non-Profit and Property and Real Estate (Lendlease).

He is also a member of the firm’s National Executive Leadership Team and the Asia Pacific Audit & Assurance Executive Leadership Team. With nearly 25 years of multi-industry experience, David works with high-profile ASX100 clients, Australia’s largest superannuation funds, property groups, and innovative, globalizing challenger brands. His extensive advisory expertise spans strategy, internal audit, risk management, compliance, and complex transaction accounting. In his previous role, David served as the National Growth Lead Partner for Audit & Assurance, where he led initiatives to enhance Deloitte’s brand and market presence, securing brand-defining clients. Throughout his career, he has worked with multinational clients across Australia, New Zealand, and the UK. He also served as the lead relationship partner for one of Australia’s largest financial institutions, overseeing risk, financial systems, technology implementation, and consulting engagements. David’s experience and contributions to the industry have been recognised through his Fellowships at Chartered Accountants Australia and New Zealand (CA ANZ) and the Financial Services Institute of Australia (FINSIA). He holds a Bachelor’s degree in Commerce from the University of Canterbury and is an ASIC-registered company auditor.

Paul is the Asia Pacific Climate & Sustainability leader for the Audit & Assurance business unit. Paul is based in Sydney and has over 25 years’ experience working with clients across diverse sectors in Australia and the United Kingdom. Paul works with leading organisations supporting them to advance their sustainability and climate strategies and develop robust reporting to meet the complex needs of stakeholders. A trusted advisor, Paul brings deep expertise and commercial acumen to support his clients and teams across the region.

Jacquie is a Partner in Deloitte’s Climate & Sustainability practice and advises clients on how they can prepare, optimise, and use Environmental, Social and Governance (ESG) reporting as a catalyst to drive organisational change, build business resilience and trust and reputation with stakeholders. She is skilled in applying leading ESG frameworks and standards including the Taskforce on Climate-related Financial Disclosure (TCFD), International Sustainability Standards Board (ISSB), Global Reporting Initiative (GRI) and the UN Sustainable Development Goals, and in strategic communication. She takes a systems-based approach to helping clients solve complex challenges and influence change. Jacquie has spent her 20+ year career focused on sustainability, ESG and responsible business practice and brings first-hand experience in leading global sustainability and ESG strategies and teams having held senior roles within listed customer-centric companies. She founded and run her own successful sustainability consultancy and has embedded sustainability into large complex organisations. Jacquie has been appointed to the Australian Accounting Standards Board (AASB) Sustainability Reporting Advisory Panel, which is guiding how the draft ISSB standards will be implemented in Australia. She is an award-winning graduate of the Australian Institute of Company Directors (GAICD), a Governor of World Wildlife Fund (WWF), and former Non-Executive Director and Chair of the Business Council for Sustainable Development Australia, which is an affiliate partner for the World Business Council for Sustainable Development (WBCSD). She is also an affiliate member of Chartered Accountants Australian and New Zealand.