Technical Expert Panel on Carbon Accounting

Mr Chatterjee is Executive Director and Chief Financial Officer of Tata Steel Limited and a member of the company’s Board, bringing nearly 30 years of experience within the Tata Group. He joined Tata Steel in 1995 in corporate finance and planning and was appointed Chief Financial Officer in 2004. In 2012, he joined the Board as a Whole-Time Director with global responsibility for the finance function. As CFO, Mr Chatterjee oversees financial stewardship including growth and M&A strategy, financing and balance sheet management, investor relations, enterprise risk management, financial reporting, taxation and sustainable finance. He is a Trustee of the IFRS Foundation and a board member of the World Steel Association. He also serves on global sustainability and sustainable finance platforms, including the UN Global Compact CFO Coalition for the Sustainable Development Goals, and has contributed to international initiatives on climate, nature-related financial disclosures and voluntary carbon markets. 

Mr Hoshino, known as Todd, is Executive Strategist at Mitsui & Co. where he advances the company’s multi-clean fuels and materials strategy. Since joining Mitsui in 1994, he has built a global career across the chemicals value chain, with senior leadership roles in Tokyo and Singapore and overseas assignments in Thailand, the United States and Singapore. He has led M&A transactions, established joint ventures and overseen greenfield projects and capacity expansions worldwide. Mr Hoshino has also contributed to public policy, serving on expert committees for Japan’s Ministry of Economy, Trade and Industry and the Ministry of Land, Infrastructure, Transport and Tourism. He currently participates in clean fuels and materials expert groups with the International Energy Agency and the World Economic Forum. 

Mr Knors is a senior engineering and operations leader with more than 35 years of experience at Bayer, where he has built and led high-performing global organisations across engineering, technology, procurement and product supply. He began his career as a trained mechanic in production while pursuing academic studies, later earning a PhD in Mechanical Engineering. Mr Knors has held senior leadership roles across agrochemicals, fine chemicals, polymers and pharmaceuticals, with full P&L and large-scale capital investment responsibility. As Head of Engineering and Technology at Bayer, he led a global organisation of hundreds of engineers, managed multi-billion-euro investment portfolios and advanced the deployment of process engineering, digitalisation, data science and AI. With over a decade of professional experience in Asia, including building Bayer’s engineering organisation in China, he brings strong cross-cultural insight and a proven track record in organisational transformation and talent development.   

Ms Luers is Head of Sustainability and Innovation at Microsoft, where she leads work at the intersection of sustainability, science and artificial intelligence, helping shape the company’s strategies, investments and policies to advance global sustainability. Previously, she served as Executive Director of Future Earth; Assistant Director for Climate Resilience and Information at the White House Office of Science and Technology Policy; Director of Climate at the Skoll Global Threats Fund; and Senior Environment Manager at Google. Earlier in her career, she founded Agua Para La Vida, a non-profit working with rural communities in Latin America to improve access to clean water. Ms Luers serves on multiple advisory boards and is a member of the Council on Foreign Relations and the National Academies of Sciences Roundtable on AI and Climate Change.    

Ms Maher is Professor of Earth System Science at Stanford University, where her research focuses on the science, measurement and policy-relevant implications of carbon dioxide removal and storage across engineered and natural systems. Her work draws on more than 100 peer-reviewed publications spanning the global carbon cycle, ecosystem-scale carbon balances and subsurface carbon storage. Integrating computational modelling, reactive transport and data-science methods, Ms Maher examines how carbon and water move, transform and are retained across Earth systems. Her research has informed academic, policy and applied discussions on carbon accounting, permanence and the physical requirements for credible net-zero frameworks. 

Mr Pizer is President and CEO of Resources for the Future (RFF), an independent, non-profit research institution advancing environmental, energy and natural resource decision-making through economic research and policy engagement. He previously served as Susan B. King Professor and Senior Associate Dean at Duke University’s Sanford School of Public Policy and was Deputy Assistant Secretary for Environment and Energy at the US Department of the Treasury from 2008 to 2011. Mr Pizer has held senior roles across government, academia and policy institutions, including as a Fellow at RFF, senior economist on the President’s Council of Economic Advisers and contributor to the Intergovernmental Panel on Climate Change. His research focuses on the design of net-zero climate policies, their economic impacts and international policy coordination. He has published more than 80 peer-reviewed articles and holds degrees from Harvard University and the University of North Carolina at Chapel Hill. 

Mr Plümper leads the ESG Portfolio Management team at Santander Corporate and Investment Bank, where he supports the calculation of financed emissions, progress towards alignment targets and internal, external and regulatory ESG reporting. Based in Madrid, he has been with Santander since 2009, holding roles across strategy, finance and accounting. Prior to joining Santander, he was an Associate Principal at McKinsey. Mr Plümper holds a PhD in Physics from the University of Hamburg and a diploma degree in Physics from the University of Karlsruhe.   

Ms Seiger builds solutions at the intersection of climate science, technology, policy and finance. She is a Visiting Scholar at the Stanford Doerr School of Sustainability and directs the climate programme at the Chan Zuckerberg Initiative. Previously, she led sustainability and energy finance initiatives across Stanford’s Law, Business and Sustainability schools. Ms Seiger has served as Co-Chair of California’s Climate-related Risk Disclosure Advisory Group and as a member of New York State’s Decarbonisation Advisory Panel. She has built and co-founded climate finance and carbon market ventures, serves on the boards of Prime Coalition and the E-ledger Institute, and is an ex-officio member of the National Academy of Sciences Roundtable on Artificial Intelligence and Climate Change. She is the author of Settling Climate Accounts: Navigating the Road to Net Zero and holds a BA from Duke University and an MBA from Stanford Graduate School of Business. 

Mr Stausholm is a Fellow at the Blavatnik School of Government, University of Oxford, and former Chief Executive Officer of Rio Tinto, one of the world’s largest mining and metals companies. During his tenure as CEO, he led the company’s strategic focus on operational performance, governance, sustainability and long-term value creation, including efforts to strengthen climate and ESG integration across the business. Prior to joining Rio Tinto, Mr Stausholm held senior leadership roles in global industrial and financial organisations, bringing deep experience in corporate governance, capital allocation and large-scale international operations.    

Ms Teo is Head of Asia Climate Change at a private family office, where she leads the deployment of philanthropic and commercial capital into decarbonisation solutions across Asia. Based in Singapore, she joined the family office in 2023 after an 18-year career at GIC, where she served as Head of Sustainability and Total Portfolio Sustainable Investing, working closely with clients, the board and internal stakeholders to advance long-term sustainable investing and integrate sustainability across the investment organisation. Earlier in her career, she worked in GIC’s asset allocation team on long-term thematic research and global macro strategy and spent eight years at the Monetary Authority of Singapore in economics research and monetary management roles. Ms Teo was named one of the Top 50 Women in Investment Management by Institutional Investor in 2021 and holds a first-class honours degree in Economics from the National University of Singapore and a master’s degree from the University of Warwick.