Committees
- Chief-Editor of the poultry genome database (1992 to date)
- ISAG: comparative gene mapping committee (1996-2000)
- ISAG: poultry genome mapping committee (1992 to date)
- WPSA: Working Group No. 3: Poultry Breeding and Genetics (1996 to date)
- ISAG: livestock genome sequencing committee (2002 to date)
- Animal Genetics, editorial board (2002 to date)
- Brazilian Journal of Poultry Science, editorial board (2003 to date)
- Chinese Journal of Agricultural Biotechnology, Editorial Board (2004 to date)
- Co-Chair of International Chicken Genome Consortium (2002 to date)
- BBSRC / EPSRC Technology Development Research Panel (2006)
- BBSRC Animal Science Committee (2006 to date)
- Animal Biotechnology, editorial board (2006 to date)
- EC FABRE-TP (Farm Animal Breeding and Reproduction Technology Platform), chairman Poultry core group (2006 to date)
- Royal Veterinary College (London), Professorial Appointments Board, 2007.