Previously with the Times Newspaper London, the U.N. Environment, and the U.N. Framework Convention on Climate Change, Nick was the Director of Communications and Spokesperson for the Paris Agreement of 2015. More recently, he has served as the Director of Communications for the Global Climate Action Summit that took place in San Francisco in September 2018.

Catarina Rolfsdotter-Jansson is an expert moderator, lecturer, and devoted workshop leader in facilitating sustainable development. Catarina moderates for the EU Commission, the Swedish Government, corporations, local municipalities, and universities. She is also content director at A Sustainable Tomorrow and co-founder of the global climate NGO Our Kids´Climate.

Angela Hultberg is a Global Sustainability Director at Kearney, advising clients on sustainability strategy and adoption with a specific focus on the automotive, transport and retail sectors, as well as a variety of managerial roles driving and shaping sustainable strategic directions tailored for Kearney’s valued clients. Prior to joining Kearney, Angela was the global Head of Sustainable Mobility at Ingka group (formerly IKEA Group), focusing on reducing co-worker and customer travel emissions, in addition to setting ambitious goals for zero emissions home deliveries for the brand. Over her career, Angela has gained a wealth of multi-sector sustainability experience, and she was appointed Road Transport Lead for the COP26 Climate Champions team. While a Climate Champion, Angela spearheaded initiatives to accelerate the decarbonization of the transport industry, drawing on her experience with setting IKEA’s goals for zero emission home deliveries.

Ingmar is serial entrepreneur within financial communication and nominated for a DI Gasell Award, Ernst & Young Entrepreneur of The Year, Sweden’s Environmental Influencer 2018, and International Gamechanger of the Year 2020, and Green Warrior 2021. Ingmar Rentzhog has been the chairman of the environmental think tank Global Challenge. He is on the board of Naventus Corporate Finance. He’s a member of Al Gore’s Climate Reality and European Climate Policy Task Force and he was in 2022 appointed a European Climate Pact Ambassador by the European Commission.

Matt is a sector specialist in sustainability and ESG leadership, with a wealth of experience in corporate reporting, climate risk, carbon accounting, and stakeholder engagement. He acts as a senior advisor to industry bodies, standard setters, and policy groups on net zero, decarbonizing the built environment, and how banks can support SMEs with sustainability. Matt plays a key role in OakNorth achieving its sustainability goals, as well as ensuring it continues to invest in good causes and make a positive societal impact.

Diolu Tobechukwu Prosper is the Co-founder of Lincgreen Prospect and a Climate Justice Advocate.

I am a young kiwi scientist, climate activist and adventurer. I am a Blue Carbon Lab PhD candidate investigating seaweed as a climate change solution and I am on the scientific advisory board to the Kelp Forest Foundation. Historically I have had roles as the co-founder of not-for-profit charity Let Them Fish, founder of The Seaweed Solution, Bomb Bucha CEO and contributor to the genesis of Live Ocean. I am currently the founder of Climate Action Company, host of the Both Sides Now political podcast, co-chair of Future Farmers New Zealand and board member for Otago Department of Conservation and WSV2 biochar. I live on Lake Hawea Station; my family farm which is pioneering on farm environmentalism and is the first certified Bcorp sheep farm in the world. I am deeply passionate about the ocean as a climate change solution, but above all live for adventures in the most remote corners of the South Pacific.

Mikael Karlsson is Associate Professor in Environmental Science and Senior Lecturer in Climate Change Leadership at Uppsala University. His research focuses on environmental governance and policy, including climate change mitigation, biodiversity conservation, chemicals management and marine protection. Science-policy interactions in terms of e.g. science denial and decision-making processes and critera are of particular interest. Karlsson is Agronomist and holds a PhD in Environmental and Energy Systems. He has lectured environmental science for more than 25 years, focusing on sustainable development, environmental policy, risk governance and natural resources management, including Swedish and EU policy and law. He has previously given courses on sustainable rural development and natural resources conflict resolution in e.g. East Africa. He has been researcher and lecturer at Karlstad University, Södertörn University and KTH Royal Institute of Technology.

Hikaru Wakeel Hayakawa is a twenty-three year-old Guyanese and Japanese American climate justice activist. He serves as the Executive Director of Climate Cardinals, leading a community of 16,000 youth in 134 countries and 130 chapters in 33 countries focused on empowering youth and non-English-speakers at the forefront of climate solutions.

She holds a degree in International Relations and is currently pursuing a master’s degree in Political Science at Rio de Janeiro State University. Her research focuses on youth participation in international climate change conferences. She is a researcher at the Columbia Global Center Rio and the Interdisciplinary Observatory on Climate Change. As a climate justice activist, she is dedicated to advocating for equitable, anti-racist adaptation policies.

Jonathan has worked with CATF since 1999 and serves as Global Director of the Methane Pollution Prevention program, where he develops and directs all of CATF’s international efforts to dramatically reduce methane pollution from energy, waste, and agriculture. Jonathan brings over two decades of experience working with governments, companies, and civil society around the world to foster and implement policies to reduce methane pollution. Jonathan works to catalyze international coalitions, country level policies and subnational efforts, to foster rapid change. He also serves on the board of the Climate and Clean Air Coalition.

Diana Ürge-Vorsatz is a Professor at the Department of Environmental Sciences and Policy at the Central European University (CEU). She was elected as Vice Chair of the Intergovernmental Panel on Climate Change in July 2023. In the Sixth Assessment cycle she served as Vice-Chair of IPCC’s Working Group III. (Mitigation). She was a Coordinating Lead Author in both the Fourth and Fifth Assessment Reports (AR4 and AR5) of the IPCC. She is Vice President of the Hungarian Scientific Panel on Climate Change. She holds a PhD from the University of California, Berkeley, and UCLA and worked in Lawrence Berkeley National Laboratory.

Cecilia Lindén quit her job as marketer at adidas Group to dedicate all her time to making it easy for people and businesses to take positive climate action. She co-founded GoClimate in 2017 with the mission to fight climate change and help companies lower their climate impact. In 2023 GoClimate launched the first of its kind automated tech solution based on companies accounting data, enabling companies to spend their time and money on actual climate action instead of collecting climate data. In addition to working towards a sustainable climate, a big driver for Cecilia and GoClimate is to challenge the “business as usual” way of thinking - avoiding supporting old and destructive business models which do not contribute to a better future. Sustainability is crucial both for the planet as well as the people.

Until recently Sherpa of UN Secretary General's Task Force on Digital Financing of the Sustainable Development Goals; Chair of the Migrant Nation Foundation, and Chair of Finance for Biodiversity

Simon Henzell-Thomas is currently the Director of Climate & Nature at Ingka Group, (IKEA) where he is leading the climate agenda. Prior to this his current role was the Director of Global Public Affairs, Advocacy & Transparency for Ingka Group where he led the global Public Affairs, Advocacy & Transparency functions, driving change in society through purpose-led advocacy and campaigning, influencing public policy and ensuring the highest standards of corporate transparency. Simon has also held positions in the IKEA sustainability function in Sweden, leading the human rights strategy development and partnership building. Before that, he was Head of Sustainability & Ethical Trade at The Body Shop, which then became part of the part of the L’Oréal Group. He has over nearly 20 years of experience working with and for global blue-chip retailers in a number of senior leadership roles. He has a background in change management, executive and non-executive leadership, corporate sustainability.

Heather Reams is the President of Citizens for Responsible Energy Solutions (CRES) that engages policymakers and the public about responsible, conservative solutions to address our nation’s energy, economic, and environmental security while increasing America’s competitive edge. Heather has been Chair of National Clean Energy Week since 2017. She is a Western Caucus Foundation advisory board member and serves on the board of directors for the American Conservative Coalition. She is a frequent commentator on the politics and policy of clean energy and the environment having been featured on MSNBC, NPR, and Newsmax TV, and in The Washington Post, Washington Examiner, Politico, Newsweek, Time, Roll Call, The Hill, Morning Consult, and The Atlantic, among others. She is a regular contributor to Real Clear Energy.

I work as a research officer focusing on just transition, at the Department of Social Policy, LO - Swedish Trade Union Confederation

Ludovic Voet has been re-elected Confederal Secretary at the ETUC Congress in Berlin, in May 2023. Elected Confederal Secretary of ETUC in 2019, he since coordinates the trade union pressure to obtain a Platform Work Directive and steers in European debate ETUC engagement to make climate action and Just Transition a reality for all workers. From June 2023 onwards, Ludovic is responsible of ETUC area of work for an economy that works for the people and the planet. He will thus fight for a sustainable economic model, a reform of the economic governance and the EU Semester, fair taxation and an EU fiscal capacity and EU funds fit for the twin transitions. He will follow just transition, climate, energy and industrial policies as well policies of upskilling and reskilling of the workforce. He will also try to conclude the trade union fight for an ambitious Platform Work Directive.

Marcela Porto is the Director of Communications, Brand and Institutional Sustainability at Suzano, and she is also a member of the Board of Ecofuturo Institute and Aberje (Brazilian Association of Business Communications). In her career, Marcela has worked in Government agencies and consultancy firms with a focus in Government Relations, public policy and Sustainability. In the past 16 years, she has been with Suzano in several areas, including Corporate Relations, Sustainability, Communications and Institutional Marketing, Family Governance and as the director of Ecofuturo Institute, an NGO founded and maintained by Suzano with the purpose of promoting conservation and environmental education. She has a degree in International Relations, an MBA and a specialist degree in Sustainability Management at FGV and a post-MBA at Saint Paul Business School. She has also participated in executive programs, including Syracuse, Duke, Wharton and Harvard Universities.

Valerie Hickey is the Global Director for Environment, Natural Resources and Blue Economy (ENB) World Bank.

Johan Falk is a leader and entrepreneur in exponential strategies for climate and business. Falk is the CEO and Co-founder of Exponential Roadmap Initiative, with the mission to accelerate exponential climate action. Falk is the co-lead author of Exponential Roadmap and 1.5°C Business Playbook. Falk is a former Senior Innovation Fellow at Stockholm Resilience Centre and Future Earth. Falk was one of the initiators of the Global Carbon Law idea, together with Owen Gaffney and Johan Rockström, inspired by Moore's Law. Further, Falk was part of Intel Corporation 2006-2018, responsible for Intel IoT Ignition Lab and heading up the Intel Edge Cloud Game Changer program for 5G networks. Falk received the Intel Global Design Win of the Year 2010 for accelerating the telecom business exponentially to a multi-billion dollar business.

Martina has over 25 years of experience in Environmental Policy and Programme Management, with a particular focus on energy, buildings, transport and sustainable cities, as well as partnership building. At the UN Environment Programme, she has served in different functions out of Paris and Nairobi, including in the Executive Office, heading UNEP’s work Transport, Bioenergy, Energy Policy, UNEP's work on on Cities and the Secretariat of the Global Alliance for Buildings and Construction, and now heading the Secretariat of the Climate and Clean Air Coalition.

Mats has over 20 years’ experience in digitalization and sustainability. Under his leadership Ericsson was the first manufacturer in the telecom sector to have science-based targets on a Net Zero trajectory and also the first company in the sector to renew targets after successfully concluding their first SBTi commitments. The conviction to base decisions and plans on science and facts is manifested by being part of the initiation and steering of the Exponential Climate Action Roadmap report as well as leading the joint project with Columbia University on ICT and SDGs. Mats has been spearheading industry in sustainability both as a consultant and in global companies such as Ericsson, Sony Ericsson, Nokia and Nobia.

I am driven by sustainability issues as well as satisfied customers and good business! Finally and happily, these three are going in the same direction!

Dr Maria P. Neira was appointed Director of the Department of Environment, Climate Change and Health at the World Health Organization, Geneva, Switzerland in September 2005. Prior to that, she was Vice-Minister of Health and President of the Spanish Food Safety Agency. She had previously held several senior positions in WHO. Dr Neira began her career as a medical coordinator working with refugees in the Salvador and Honduras for Médecins Sans Frontières (Doctors Without Borders). Dr Neira is a Spanish national, and a medical doctor by training. She specialized in Endocrinology and Metabolic Diseases; and Public Health. Dr Neira has been awarded the Médaille de l'Ordre national du Mérite by the Government of France and is a member of the Academy of Medicine, Asturias, Spain. In 2019, Dr Neira was nominated as one of the world’s most influential people in climate policy, her work has been recognized in raising awareness on health, climate and air pollution.

Sean Maguire builds global partnerships to speed up the transition to clean air everywhere. His focus is on driving concerted international action on air pollution, establishing and working towards international targets for clean air, and increasing the flow of international funding towards clean air projects. He has led policy, advocacy, campaigns and communications work across the climate, development, and humanitarian sectors.

Mr. Gonzalo Muñoz is a business entrepreneur and social change-maker at the forefront of environmental innovation in Chile, who reinvented the country’s recycling industry to usher in a future without waste. He did so by founding a recycling company in 2009 and, ever since, has been presiding over the expansion of the company to other parts of Latin America. His company produces a recycling station capable of recycling 90 percent of household solid waste. Through the popularity of his innovation, Muñoz has been leading a cultural movement to advance environmental sustainability and social inclusion. In recognition of his leadership, Gonzalo Muñoz was awarded the Circulars 2019 international prize at World Economic Forum’s Annual Meeting in Davos and was also invited to join the New Plastics Economy advisory panel at the Ellen MacArthur Foundation.

The former award-winning journalist and author of the renowned book Silent Seas – the Fish Race to the Bottom was a member of the European Parliament from 2009- 2014 and appointed Sweden’s Minister of International Development Cooperation in 2014. She became a co-spokesperson of the Green Party in 2016 as well as deputy prime minister. Before she left politics in February 2021, she was minister for climate and the environment.

Patrick Kiarie is an Eco-Warrior, and the Representative of We Don't Have Time Kenya and a small scale businessman. He is passionate about climate change and how to transform small business enterprises into circular and green businesses. Patrick won last year's WDHT Climate idea - Borrowing from the future. Borrowing from the future is an idea based to be a model program for educating young people on climate change and building a platform for the youth to contribute to innovations in climate change. Recently, Patrick was nominated among the top 10 most influential youths in Kenya.

David Olsson is the co-founder and COO of We Don't Have Time.

Christina has been working with sustainability in the business community since the late 1990’s, most recently in her role as Senior Sustainability Specialist at Telia. She has a background from Stockholm School of Economics, and she connects the climate crisis as well as biodiversity loss to business strategy. Throughout her career, she has been working with IT and digitalization, and she sees these technologies as key enablers in building sustainable societies. Christina is a Climate Reality Leader, trained by Al Gore, and from May 2021 she holds the position as Regional Co-Ordinator for Climate Reality in the Nordics. Christina is an appreciated communicator, and she has delivered 75+ climate presentations in the business community.