Professor Ranjeet Sokhi's research focusses on the dynamics and composition of the atmosphere with emphasis on physical and chemical processes affecting air quality and interactions with climate. He has been an advisor for the UK Governments' Department for Environment, Food and Rural Affairs (DEFRA), UK's Public Health England (PHE) and the World Meteorological Organization (WMO). He has been the chair of the WMOs' projects on urban science (GURME) and air quality prediction for Africa (PREFIA) for several years. He has coordinated or played a leading role in many research projects and networks funded by UKRI, European Commission and Industry as well as being a principal investigator (PI) for the UK's National Centre for Atmospheric Science (NCAS). For over two decades, Professor Sokhi was the chair of the series of International Conferences on Air Quality - Science and Application. He has published his research findings widely and has nearly 200 publications including scientific articles in major international journals and co-authored and edited several major reports and books. Currently, Professor Sokhi is the Director of the Centre for Climate Change Research (C3R) at the University of Hertfordshire, UK and a co-coordinator of the Horizon Europe project FOCI on non-CO2 radiative forcers and their impacts on climate and air quality.