1/8/2013- Professor of Atmospheric & Oceanic Sciences, Department of Meteorology, University of Reading, Reading, UK
2006-01-01 to 2013-07-31 Professor & Chair of Physical Geography, Environmental Monitoring & Modelling Group, Geography, King’s College London, University of London, London, UK
2007-2013 Adjunct Professor of Geography (Atmospheric Science Program), Indiana U, Bloomington, IN, USA
2001-2005-12-31 Professor of Geography (Atmospheric Science Program), Indiana University, Bloomington, Indiana
2000-2006 Affiliated Faculty, Russian & East European Institute, Indiana University
1997-2006 Adjunct (Associate) Professor, School of Public Environmental Affairs, Indiana University
1995-2001 Associate Professor of Geography (Atmospheric Science Program), Indiana University
1989-01-01-1995 Assistant Professor of Geography (Climate & Meteorology Program), Indiana University
1981-1988 Teaching Assistant & Research Assistant, Geography, U British Columbia, Vancouver, BC, Canada
1980-1981 Demonstrator & RA, Geography & Business Development Centre, U Otago, New Zealand
2013-2014 Visiting Special Expert, Shangahi Institue of Meteorolgical Sciences, Shanghai Meteorological Bureau, China
2012 Visiting Scientist CSIRO Centre for Marine & Atmospheric Research, Pye Lab, Canberra, Australia
2012 Visiting Professor, Earth Sciences Göteborg U, Göteborg, Sweden
2009 - Visiting Professor, Institute of Industrial Science, University of Tokyo, Japan
2009 Visiting Professor, Earth Sciences Göteborg U, Göteborg, Sweden
2007 Visiting Professor, Dept Civil Engineering, Monash U, Australia
2005 Visiting Scientist CSIRO Centre for Marine & Atmospheric Research, Pye Lab, Canberra, Australia
2004 Visiting Scientist CSIRO Centre for Atmospheric Research, Pye Lab, Canberra, Australia
2002, 2003 (2x) Visiting Professor, Earth Sciences Göteborg U, Göteborg, Sweden
1997-1998 Visiting Scientist CSIRO Land & Water, Pye Lab, Canberra, Australia
1997, 2000 Visiting Lecturer Earth Sciences Göteborg U, Göteborg, Sweden