James Clark is Professor of Chemistry at the University of York and was Founding Director of the world-leading Green Chemistry Centre of Excellence. He recently established and is Director of the Circa Renewable Chemistry Institute. He is also a Chair Professor at Fudan University in China. His areas of interest include waste valorization, green solvents, and heterogeneous catalysis as well as major environmental issues such as the circular- and bio-economies. He has held Visiting Professorships in South Africa, France, and China. He started the award-winning company Starbons Ltd and is now Chair of the new technology company Addible ltd and CEO of the consulting company JHC Sustainability. He was founding scientific editor of the world-leading journal Green Chemistry and started the Green Chemistry Network. He is editor-in-chief for the RSC Green Chemistry book series and was recently appointed as Chief Editor for the Frontiers journal, Green and Sustainable Chemistry. His research work and his work on education has led to numerous awards including Honorary Doctorates from universities in Belgium, Germany, Portugal, and Sweden as well as prizes from the RSC, SCI, ACS and EU. In 2018 he won the RSC Green Chemistry Prize and in 2021 he won the European Sustainable Chemistry award. He has published over 600 articles (h index 95).