Editorial boards:

Bulletin of Entomological Research: Editorial Board, 2005-present

Insect Conservation & Diversity: Editorial Board (2007-2010), Associate Editor (2011-present), 

External examining:

University of Leeds: External Examiner, M.Sc. and M.Res. Biodiversity & Conservation, 2005 - 2010

Imperial College, London: External Examiner, M.Sc in Ecological Applications and M.Res. in Entomology, from 2011

Sussex Wildlife Trust

      Trustee & Member of Council, 1994 – present

     Chairman, Conservation Committee, 2010 - present

     Chairman of Biodiversity Record Centre Steering Group, 1999 - 2010

Royal Entomological Society

      Fellow, since 1980

     Trustee & Member of Council, 1987-90, 2001-2004

     Co-ordinator, Insect Conservation Special Interest Group, 1996 – present

     Chairman, Conservation Committee, 2001 – present

     Organiser, 23^rd International Symposium, University of Sussex, 12-14 Sept. 2005

Invertebrate Link (Joint Committee for the Conservation of British Insects)

     Member representative for Royal Entomological Society, 2000 - present

     Executive Committee, 2008 - present

National Federation for Biological Recording

      Member of Council, 2011 - present

Aquatic Coleoptera Conservation Trust

      Trustee, 2004 - present