Neva Nahtigal is the Director of RREUSE. In addition to day-to-day management, she is involved in the organisation’s strategic development and leads its policy team. Neva worked internationally as a policy, research and communications consultant specialising in social and economic justice, sustainability and human rights. She then spent six years in the international office of a global civil society network focusing on improving working conditions in the garment industry before joining RREUSE in May 2023. She holds Masters degrees in Media Studies and Public Policy.

RREUSE is an international network representing social enterprises active in the field of re-use, repair and recycling. Drawing on the first-hand experience of its members, RREUSE's mission is to ensure that policies, innovative partnerships and the sharing of best practices promote and develop the role of social enterprises in the circular economy. RREUSE's vision for Europe is built around circular activities that foster social value and create locally inclusive jobs whilst supporting vulnerable individuals. 

RREUSE has 31 members across 29 European countries and the USA.

François-Michel Lambert is a Member of Parliament, having been elected in the 10th constituency of the Bouches-du-Rhône (Southern France).

He is a member of the Sustainable Development and Country Planning Commission at the National Assembly, and also holds the position of president of the France-Cuba Friendship group at the National Assembly.

He is founding president of the Institute for Circular Economy, a multi-stakeholder association composed of 200 members, companies, communities, NGOs and schools that defines and implements a transformation of our economic model to emerge from a society of waste and move towards the development of an economy focused on the preservation and efficient use of resources. The Institute has become the French reference and the main partner of the public authorities.

Mr Lambert received the Marianne d'Or award for sustainable development for his proactive action to bring about a shift towards a circular economy.

In her role as Director of Programmes, Hatty leads Circle Economy’s thematic and sector-focused portfolio (textiles, finance and built environment). Having worked for over 14 years in democratic strengthening and sustainable development, Hatty has extensive international experience of working with governments and parliamentary systems to enhance their capacity for effective oversight, scrutiny and representation in the delivery of the Sustainable Development Goals.

Hatty is an experienced portfolio manager, delivering a wide range of multi-year, multi-stakeholder international development programmes in South Asia, Sub-Saharan Africa and the Caribbean. She has taken the lead on projects as wide ranging as enhancing the representation of women in public life in Pakistan to institutional strengthening in Sierra Leone during the Ebola crisis.

Hatty has a background in project management and strategic organisational planning, with strong links across government and multilateral organisations. 

Key objectives at Circle Economy

- Build a comprehensive portfolio of sector + cross-sector programmes; working with government + industry  

- Develop multi-stakeholder projects, across government + industry, to support the circular transition at national level 

- Expand the profile and viability of Circle Economy in the Global South.

At the European Environmental Bureau (EEB), Jean-Pierre is the policy officer responsible for Product Policy and Circular Economy.

The EEB is Europe’s largest network of environmental citizens’ organisations with around 140 organisations in more than 30 countries. Jean-Pierre has a Master's degree in Environmental Policy from Humboldt University Berlin and in Geography from the University of Oxford.

Prior to joining the EEB, Jean-Pierre worked for four years at the Institute for European Environmental Policy (IEEP) in Brussels, as part of their Green Economy programme where he specialised in plastics, market-based instruments and economic indicators. At IEEP, he published a number of reports on a range of environmental issues for the European Commission, the European Parliament, UN Environment and the OECD.

Kari Herlevi is a circular economy multitalent. He is currently leading the circular economy area at Sitra, the Finnish Innovation Fund. There, he is focusing on the transition to a fair and competitive economy that tackles the root causes of biodiversity loss, climate change and overconsumption of resources, by facilitating the development and scaling up of the best circular solutions from Finland and the world. Previously, he worked at Tekes, the Finnish Funding Agency for Innovation, where he was responsible for the Green Growth and Vigo accelerator programmes. Kari also worked in the Tekes Silicon Valley office for a few years, and is particularly interested in new ideas and fast-growing firms in the circular economy, not least on the African continent.

As an adviser for environmental and climate policy, Leon de Graaf particularly follows policies related to the circular economy, trade and climate, low-emission mobility, implementation of the Paris climate agreement (COP21) and the European emission trading system (EU ETS). He is also deputy manager of BusinessEurope's corporate Advisory and Support Group (ASGroup). Prior to joining BusinessEurope, Leon worked at the research consultancy Ecorys, focusing on renewable energy and international development issues, at DG COMP on energy and environmental subsidies in Europe, and at the Dutch Environmental Assessment Agency (PBL) on indirect ETS costs for energy-intensive industries. Leon has a MSc in environmental economics and climate change from the London School of Economics, and a BSc in business economics from the University of Groningen.

Ladeja Godina Košir, Founder and Executive Director of Circular Change, is an internationally renowned expert on the circular economy, speaker, (co)author of several CE reports and articles, and co-creator of international circular economy events. Ladeja was the finalist for the Circular Leadership Award 2018 (Davos WEF) and named in "The #EUwomen4future campaign” featuring extraordinary women active in research, innovation, education, culture and sport by Mariya Gabriel, European Commissioner for Innovation, Research, Culture, Education and Youth in 2020. She is recognised as the regional "engine of circular economy transition". She is co-author of the first Roadmap towards the Circular Economy and creator and team leader of the annual international Circular Change Conference. Ladeja has consulted on the national circular economy roadmapping process based on stakeholder engagement for several countries and cities (Serbia, Montenegro, Norway, Israel, Chile, etc.).

Ladeja has several international roles: chair of the coordination group of the European Circular Economy Stakeholder Platform (ECESP) in Brussels (2018/20), visiting professor at Doshisha University in Kyoto and co-leader of the Research Group Circular Economy Systems at the Bertalanfy Center for the Study of Systems Science (BCSSS) in Vienna.

Ladeja takes a transdisciplinary systemic approach and holistic view as an entrepreneur, communications professional, speaker, moderator, lecturer, mentor and passionate connector. She is empowering a new narrative and circular culture. She bridges the bioeconomy and the circular economy; one of the EU projects to which she contributes is Effective (Horizon 2020 & BBI JU), a multi-company collaboration to produce more sustainable, bio-based fibres and plastics for large consumer products using renewable feedstocks and innovative technologies. She also chairs the expert group for the BIOeast Foresight Exercise 2050. Ladeja works with governments, city authorities, companies, NGOs, media and universities, empowering true collaboration to enable circular change.