Slendy Díaz is a circular economy expert with extensive experience in the public and private sectors, the energy sector and project management. She is a speaker, consultant and mentor on circular business models.
Sonia Dias has a PhD in political science and a specialisation in solid waste management (JICA fellow). In addition to her current position, she is also engaged in national and local work in Brazil. Her past work includes policy officer for the cleaning agency of Belo Horizonte city and consultant for several international agencies. She sits on advisory boards for organisations such as Pimp my Carroça NGO, End Plastic Pollution International Collaborative (EPPIC) and the World Business Council for Sustainable Development (WBCSD). She is an Eisenhower Fellow and the coordinator of the Circular Economy Thematic Chamber of the Brazilian Climate Change Forum.
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Carlos Mauricio Cordero Vega
Director
Ministry of Environment and Energy of Costa Rica
Carlos is a geographer with an emphasis in territorial planning. He has a master’s in sustainable development and environmental management. His experience includes sustainability issues in the private sector and policy in the public sector. Currently, he leads the Sectoral Planning Secretariat at the ministry and is sectoral secretary of the Environment and Energy Sectoral Council.
Marcela is an investment officer for climate change on the climate and enviroment team at IDB Invest, which she joined in 2021. She is responsible for supporting the development of climate change operations and since 2025 is leading the circular economy agenda for IDB Invest. Marcela holds a master’s in urban and regional planning from the Center for Interdisciplinary Studies at Universidad de los Andes (Colombia) and an industrial engineering degree from Universidad Militar Nueva Granada (Colombia).
Veronica has over 8 years’ experience leading innovation-driven initiatives. Currently, she leads a biomaterials startup focused on developing sustainable alternatives like mango leather and hemp textiles. She also mentors early-stage projects and leads private ventures such as a Cultural Gastronomic Center in Luque. In addition, she coordinates Paraguay’s hemp industrialisation project in collaboration with the National University of Asuncion and Agronorte Coop.
Camilo Adas is responsible for decarbonisation strategies with biofuels and low-carbon hydrogen. In collaboration with the Brazilian Ministry of Development, Industry, Trade and Services (MDIC), he leads working groups for the hydrogen economy and decarbonisation of the naval industry. He is also energy director at FIESP, a researcher in energy transition, former president of the SAE BRASIL board, advisor to the Brazilian Entity for Technology and Energy Transition , a guest professor at Fundação Dom Cabral, international speaker and debater. Adas worked for 33 years at Daimler Trucks, including as chief engineer of Mercedes-Benz trucks in France.
Xandra Weinbeck works for the Netherlands' national promotional institute, which boasts an investment capital of around €2 billion. In her work, she aims to accelerate transitions towards a carbon-neutral economy, bio-based and circular solutions, deeptech innovations, agrifood advancements and life sciences. The approach includes direct investments in pioneering companies, as well as the development of financial instruments and market growth strategies. Business development at Invest-NL focuses on creating the necessary financial tools for industry scaling and fostering market demand. With over 20 years of experience in the chemical and semiconductor industries, Xandra holds an MSc in chemical engineering and an MBA.
Roberto Waack is a board member, entrepreneur and sustainability leader. He co-founded key environmental initiatives and has a background in pharma, forestry and governance. He is a columnist for Estadão Economia. Waack holds a degree in biology and a master’s in business administration (with a concentration in New Institutional Economics) from the University of São Paulo.
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Afke van Rijn
Vice Minister for the Environment and International Affairs
Ministry of Infrastructure and Water Management, The Netherlands
Since February 2023, Afke van Rijn is responsible for the circular economy, waste management, environmental protection, air quality and climate adaptation policy as well as bilateral. Previously she was director-general for COVID-19 at the Dutch Ministry of Health, Welfare and Sport. Prior to this she was director of the Media and Creative Industries Department, and deputy director-general and coordinating director for Equal Opportunities in Education at the Ministry of Education, Culture and Science. Van Rijn studied computer engineering at Delft University of Technology. She is married and has two children.
Luis Tejado was born in 1969 in Mexico, is an industrial engineer from Universidad Panamericana and holds an MBA from Harvard Business School. His career spans finance and strategy at P&G, BCG and Time Warner before shifting to sustainable agriculture. He has led large-scale forestry (Proteak), palm oil (Prolade), organic bananas and coconut operations (Tabascoco). Passionate about circular economy solutions, he specialises in biochar, regenerative agriculture, alternative energies and irrigation efficiency. A strong advocate for waste circularity, he integrates sustainability into agribusiness models, enhancing productivity while reducing environmental impact.
