As ICAEW’s annual global flagship sustainability event, the Sustainability Summit brings together finance professionals, business leaders, policymakers and experts to help you strengthen decision-making, enhance reporting and assurance, and respond confidently to emerging sustainability challenges. Through practical insights, real-world examples and expert perspectives, you'll explore how taking action on sustainability can enhance trust, competitiveness, resilience and market quality – helping to enable people everywhere to do business with confidence and supporting the transition to sustainable economies.
Highlights
Stay Ahead of Change
Explore the latest developments in climate, nature, reporting, assurance and AI.
Learn from Global Leaders
Hear insights from leading experts, policymakers, investors and standard setters.
Turn Insight into Action
Gain practical guidance you can apply in your organisation straight away.
AI, Finance & Sustainability
Understand how AI can support business transformation while managing sustainable impacts.
CPD
Attending the full Summit could contribute up to 6 hours of verifiable CPD.
Explore the programme
Monday 9 November 2026
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Opening framing: ICAEW address
Hear ICAEW’s perspective on how sustainability is reshaping professional judgement, decision-making, reporting and assurance – and how the profession can help build trust, resilience and competitiveness.
- 09:00 - 09:15
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Planet Earth at a tipping point?
What does a rapidly changing planet mean for business, finance and the economy? Explore the growing climate and nature-related risks facing organisations – and the vital role finance professionals can play in building resilience and enabling a credible transition.
- 09:15 - 10:15
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Global overview in sustainability reporting and assurance
Where is sustainability reporting and assurance heading? Get the latest international perspective as standards move from development to implementation, including insights on UK Sustainable Reporting Standards and the ISSB Global Disclosure Review, and what this means for assurance.
- 12:00 - 13:00
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Building trust: sustainability assurance
As sustainability reporting expectations grow, how can organisations build confidence in the information they disclose? Explore what boards, audit committees, CFOs and sustainability teams need to know to get assurance-ready and support credible decision-making.
- 15:00 - 16:00
Tuesday 10 November 2026
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Nature-related disclosures: ISSB Practice Statement
What will the ISSB’s proposed exposure draft consultation mean for nature-related disclosures? Keynote, followed by panel discussion, exploring the practical implications for finance professionals.
- 09:00 - 10:00
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Sustainability in financial statements and financial operations
How does sustainability affect the financials? Explore how climate and other sustainability-related risks and opportunities can influence financial statements as per IASB, from impairment and valuation to estimates and assumptions – and how finance teams are exploring the commercial aspects of sustainability to support investment decisions, operational improvement and stronger financial performance.
- 12:00 - 13:00
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AI and digital decarbonisation in finance
AI presents huge opportunities for finance — but what is its environmental cost? Explore the emissions, energy and water impacts of AI and how finance leaders can make informed technology choices that support decarbonisation and wider sustainability goals.
- 15:00 - 16:00
Guest speakers
Dato' Faiz became Executive Chairman of the SCM in June 2024 and chaired the ASEAN Capital Markets Forum in 2025. He spent over 30 years with PwC and as Chairman of PwC Malaysia for 11 years. He is a Council Member and Fellow of ICAEW. He is a member of the Malaysian Institute of Accountants (MIA) and served as President of MIA and Chairman of the Malaysian Accounting Standards Board. He chaired an advisory committee at the IASB on Islamic Finance. He studied law at Durham University, was called to the English Bar and holds Honorary Doctorates of Laws from both the University of Nottingham and University of Durham. He was made a Bencher of the Honourable Society of Inner Temple in 2026.
Nick Anderson was appointed as a member of the International Accounting Standards Board in 2017. Nick’s background is in investment management with over 30 years of practical experience, mainly as a buy-side investor. Prior to joining the Board, he worked at Janus Henderson, Insight Investment, Schroders and Norwich Union. Nick was a member of the UK Accounting Standards Board from 2007 to 2013 and a founding member of the Corporate Reporting Users’ Forum (CRUF).
Vitor Castro (BSc, MSc, PhD) is a Reader in Economics at Loughborough Business School with expertise in Applied Econometrics. His recent research addresses the critical intersection of digital expansion, energy limits, and environmental sustainability, specifically evaluating whether global renewable energy supply can keep pace with escalating digital data demand and AI infrastructure growth. His work underscores the urgent need for data-centric decarbonisation strategies across corporate supply chains and financial decision-making. Alongside his research in digital decarbonisation, Vitor’s broader work covers duration analysis, business cycles, and the macroeconomic impacts of fiscal policy, with extensive publications in leading academic journals in Economics and Finance. He currently serves as Associate Editor for Economic Modelling. Vitor holds a BSc and MSc from the University of Minho (Portugal) and a PhD from the University of Warwick (UK), with over 20 years of experience in higher education teaching Applied Econometrics, Economics, and Finance.
Neslihan Erkazanci is ESG Head of Finance at HSBC Holdings plc in London, where she leads the integration of sustainability into financial planning, reporting and decision-making. She focuses on enhancing the connectivity, consistency and credibility of sustainability-related information across the Group. Neslihan has three decades of financial services experience across Türkiye, Luxembourg, the Middle East and the United Kingdom. She began her career at Arthur Andersen before joining HSBC in 2001, subsequently serving as CFO of HSBC Türkiye and CFO of HSBC’s Middle East operations in the United Arab Emirates. She has also held directorships across several HSBC entities. A Chartered Accountant from Türkiye, Neslihan holds the CFA Institute Certificate in ESG Investing. She brings practical expertise in financial reporting, governance and international banking, including the implementation of sustainability reporting and assurance requirements.
Yulia joined the IFRS Foundation in 2011 and worked on various IASB and most recently ISSB projects providing technical leadership and standard-setting expertise. Yulia’s current focus is on the development of the ISSB’s Nature-related Disclosures Exposure Draft as well as embedding connections between the work of the IASB and ISSB. Prior to that, Yulia was responsible for the IASB Management Commentary project and for drafting IFRS S1 General Requirements for Disclosure of Sustainability-related Financial Information. Prior to joining the IFRS Foundation, Yulia held various positions in PwC in the UK and Central and Eastern Europe and taught IFRS at Moscow State Institute of International Relations (University).
Chris Houlden is Finance Director at Framptons, a UK food and drink manufacturer. Alongside leading the finance function, he has established the company's sustainability programme, including carbon accounting, EcoVadis assessments, sustainable procurement and environmental reporting. A Chemistry graduate with a PhD from the University of Bristol, Chris trained as an accountant with Deloitte and spent nine years at Yeo Valley before joining Framptons. Chris focuses on the commercial aspects of sustainability, helping turn ESG ambitions into investment decisions, operational improvements and stronger financial performance.
Ian is one of the Met Office’s two Chief Meteorologists with the majority of his time spent discharging his responsibilities as the President of the UN’s World Meteorological Organisation (WMO) Services Commission. First elected as President in 2019, Ian is now into his 2 4-year term and is responsible for leading and overseeing the development and implementation of global Standards, guidance and good practices for weather, climate, water and related environmental services by WMO’s 193 Members. As Chief Meteorologist and working across the Met Office, Ian contributes thought leadership, policy advice and intelligence with a focus on natural hazards, emerging capabilities, supporting partnerships and staff development opportunities and informed by nearly 40-years of operational experience and institutional knowledge and nearly 25-years of leadership in the international meteorological community.
Sue Lloyd serves as Vice-Chair of the International Sustainability Standards Board (ISSB), a role she has held since March 2022. Her second term runs until February 2030. Ms Lloyd also chairs the ISSB’s Transition Implementation Group. Prior to joining the ISSB, Ms Lloyd served as a member of the International Accounting Standards Board (IASB) from 2014 and as its Vice-Chair from 2016 to 2022. She also chaired the IFRS Interpretations Committee from 2017 to 2022. Alongside her IASB duties, she played a pivotal role in the creation of the ISSB from 2020, including driving the development of the ISSB’s inaugural Standards, IFRS S1 General Requirements for Disclosure of Sustainability-related Financial Information and IFRS S2 Climate-related Disclosures.
David joined IFAC (International Federation of Accountants) in 2019. In 2026 he was appointed Senior Advisor to the Chief Executive Officer, responsible for strategic policy-related initiatives including Private Equity ownership of accountancy firms, sustainability-related information, and matters related to the attractiveness of the profession. He was previously Director - Sustainability, Policy & Regulatory Affairs. David represented the IFRS Foundation in the U.S. for nearly a decade. Prior to his public policy-related work, he held numerous client-facing roles with several international financial institutions. He holds a Masters in Public Administration-MC from the Harvard Kennedy School, an MBA in Finance from The University of Chicago Booth School of Business, and a BS in Management-Accounting from Purdue University Northwest.
Mardi McBrien is a distinguished leader in sustainability and sustainable finance. She serves as Senior Director for Corporate Performance and Accountability Initiatives at the World Business Council for Sustainable Development (WBCSD). Previously, Mardi led global efforts in corporate reporting through positions such as Chief of Strategic Affairs and Capacity Building at the IFRS Foundation, where amongst other responsibilities she directed capacity building activities for the ISSB. As Managing Director of the Climate Disclosure Standards Board (CDSB), she was instrumental in developing the inaugural global framework for investor-focused climate and sustainability reporting, contributing significantly to initiatives like the TCFD, TNFD, and the formation of the International Sustainability Standards Board. Her career includes experience in environmental advocacy, public policy, and cross-sector collaboration. Mardi is Vice Chair of XBRL International and Vice Chair of Governors at her children’s school - and a former member of the ICAEW’s sustainability committee
Mike is the Global Head of Net Zero Delivery, Standard Chartered Bank. He is responsible for the setting of the Group Financed Emission Net Zero Targets, and more relevantly making those targets a reality though interaction with the business and working with our clients on their transition journey. A qualified accountant, Mike has spent a large portion of his career in the accounting policy world across multinational banks, advising the front office on trades and ensuring compliance with accounting standards. He has been at SCB for almost 10 years, starting in Group Finance, and moving into the Chief Sustainability Office (SCO) team 4 years ago.
Trevor Nulty is Head of Governance and Assurance within Finance Governance Assurance and Enablement at Allied Irish Banks (AIB), with over 28 years’ experience across banking, risk management, sustainability governance and independent assurance. He has extensive experience developing sustainability governance frameworks, embedding ESG risks into enterprise risk management, and providing assurance over sustainability-related disclosures. His career spans internal audit, regulatory change, consumer banking and control frameworks. Trevor also chairs the Audit and Risk Committee of the Northern Ireland Public Services Ombudsman and is a member of the Football Association of Ireland Audit and Risk Committee.
In this role, Donna leads NEB for Business, creating opportunities for businesses to engage with the evidence, explore what it means for their organisations and sectors, and consider how they can use their influence to help shape a safer, fairer and more resilient future. Donna has been in business for over 40 years, and is also the founder of B Corp Certified UK for Good, where for more than six years she has worked with business leaders to challenge business-as-usual and improve their impact on people and planet. Her work is rooted in the belief that business has both an important responsibility and an extraordinary opportunity in responding to the challenges ahead. Through NEB for Business, she helps leaders move from understanding to action.
Robert-Alexandre joined the ESG research team of BNPP AM in 2015 and is in charge of the consumer staples and retail sectors. Robert-Alexandre leads BNPP AM thinking on biodiversity and drives the implementation of BNPP AM's biodiversity roadmap. This includes embedding biodiversity in BNPP AM investment processes and strategies, stewardship and operations. He is also a member of IWC's Sustainability Committee. Robert-Alexandre is involved in several collaborative projects with Capitals Coalition, UNEP-WCMC, Global Canopy, CDP, Planet Tracker, FAIRR and Naturalis. He is currently representing BNPP as a member of the Taskforce on Nature-related Financial Disclosures (TNFD) and co-leading Finance for Biodiversity Foundation Nature Transition Company Working group. He is also member of the Steering Committee of the Corporate Biodiversity Footprint at Iceberg Data Lab and of the Technical Advisory Group of Nature Action 100. Prior to his current role, he spent four years as a Structurer in the Structured, Guaranteed and Asymmetric Solutions team of BNPP AM. Robert-Alexandre earned a Master's degree in Management, majoring in Finance at ESCP Europe - Business School, Paris (2010). Robert-Alexandre is based in Nanterre.
Nick is a Fellow of the ICAEW and currently serves on the Institute’s Council as well as the Sustainability Committee. Additionally, he is Honorary Vice President of the Chartered Accountant Student Society of London. Currently Nick serves as a non-executive director of Mid and South Essex NHS Foundation Trust, Queen Victoria Hospital NHS Foundation Trust and, Berkshire and Surrey Pathology Services. Nick’s expertise in sustainability stems from his tenure as a director of an ESG data business and he is presently a donor to Loughborough University’s research into digital decarbonisation.
Caspar Siegert, PhD is Head of Climate Risk in the Bank of England’s Markets Directorate. His area’s responsibilities include quantifying and managing climate-related financial risks to the Bank of England’s £820bn balance sheet. From 2022 to 2026 he co-chaired the NGFS working group on incorporating climate considerations into central bank's monetary policy operations. Caspar previously worked in a number of financial stability roles at the Bank of England – including in the field of macroprudential and prudential policy. Between 2020 and 2022, Caspar worked for a global asset manager in the field of sustainable investing.
Led by investors with AUM of over $US 100 trillion, ICGN aims to strengthen markets and create long term value through effective corporate governance policy and practice. Jen represents ICGN on the Japanese Financial Services Agency’s Council of Experts and on the IFIAR stakeholder working group and the PCAOB IAG. Jen joined ICGN from Goldman Sachs Asset Management, where she was EMEA Head of Stewardship, driving engagement, proxy voting and industry collaboration efforts. In that role, Jen was a member of the Investment Association Company Reporting and Auditing Group and the International Sustainability Standards Board (ISSB) Investor Advisory Committee. In 2022 Jen was also a member of the US Council of Institutional Investors Corporate Governance Advisory Council.
ICAEW speakers
Alan was previously CEO of the Chartered Insurance Institute, leading the premier professional body for insurance and financial planning. A chartered accountant with Ernst & Whinney, Alan is a Fellow of ICAEW, Chartered Accountants Australia and New Zealand, the Australian Institute of Company Directors, and an Honorary Fellow of the Korean Institute of Architects.
Ravi Abeywardana is an ICAEW Chartered Accountant and Director of Sustainability Reporting and Assurance at ICAEW, where he leads the organisation's strategic approach to sustainability. Prior to joining ICAEW, Ravi held several senior roles at the IFRS Foundation, including Director of Capacity Building and Strategic Affairs at the International Sustainability Standards Board (ISSB) and Technical Director of the ISSB. In these roles, he played a central role in the development of the IFRS Sustainability Disclosure Standards. He joined the IFRS Foundation through the consolidation of the Climate Disclosure Standards Board (CDSB), where he served as Technical Director. Earlier in his career, Ravi worked at Olam International, a Singapore-listed agribusiness, focusing on finance, corporate sustainability, sustainability reporting and assurance, and sustainable finance. Ravi is a Fellow of the Royal Geographical Society.
Xi is a sustainability professional with over 20 years of experience across financial services, consulting, and impact organisations. She spent seven years in Hong Kong leading ESG efforts at FWD, a pan-Asian insurance company, and as a Director at Deloitte China Climate Change & Sustainability Advisory, advising financial institutions, corporates, government and NGOs on sustainability reporting, sustainable finance, decarbonisation, ESG strategy and social impact. Before Hong Kong, Xi was Finance Director at Blue Ventures, a marine conservation NGO and spent nine years in finance and strategy consulting with Accenture and PwC UK. She is a Chartered Accountant by training, having qualified with KPMG.
Toby is a member of ICAEW’s sustainability team and leads the institute’s work on nature. He brings over 25 years’ experience in sustainability, including previous roles at Deloitte, WWF and in consultancy. His work focuses on engaging and collaborating with members to help embed sustainability-related issues into risk assessment, strategy, finance and reporting – and sustainable policy and regulation.
Alex leads ICAEW’s Audit and Assurance Faculty, which produces policy papers and thought leadership on issues affecting the profession, and practical guidance for members and the wider profession, including technical releases, guides, webinars and other events. Sustainability assurance occupies an ever-increasing proportion of his time, including recently, managing consultation responses on ISSA 5000 (international and UK versions) and on a UK sustainability assurance regime.
Testimonials
Lots of great practical insights and case studies. It was wonderful to see such a big diversity of articulate and intelligent speakers with hands on and inspiring experiences.
Excellent event with very knowledgeable speakers and very relevant and topical subject area. The virtual platform works very well as saves time and cost with travel. Overall another top class ICAEW event.
The quality of speakers was excellent, with some real industry insight that I've taken back to my own organisation.
Once again the ICAEW Sustainability summit offered incredible value in a packed session with experts delivering insights on topics becoming increasingly relevant as we navigate this area.
Further resources
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