Olivier Sykes (PhD) is a Senior Lecturer in European Spatial Planning at the University of Liverpool. His main areas of research and teaching relate to international and comparative planning studies. He has completed work on planning, regional, urban and environmental policy systems in different countries for funders including the EU, regional and local government, the UK and French governments, and the RTPI. He has recently completed a book on international planning studies due to be published in November 2022 and is a regular contributor to academic and professional publications on European and international planning themes.