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.

Dr Laurent Zibell led the development of industriAll European trade union's positions on the circular economy, innovation and digitalisation of industry.

He started his career as an R&D engineer and worked in the field of high-tech and industrial innovation. He is a member of the French trade union CFDT. He holds MScs in Engineering from École Polytechnique and from Mines Paristech (FR), and a PhD in innovation economics from Cranfield University (UK).