1979 B.A. (First Class) Chemistry, University of Cambridge; 1984 Ph.D. (Physical Chemistry), Cambridge; 1982-1985 Research Fellow, St. John’s College, Cambridge; 1985-1991 Assistant/Associate Professor, Rosenstiel School of Marine and Atmospheric Science, University of Miami; 1999-2006 Lecturer/Reader/Professor of Environmental Science, University of East Anglia; 2006- Professor of Atmospheric Chemistry, University of Leeds; 2012-2017 ERC Advanced Fellow, University of Leeds