He has chaired the cell and molecular panel at the
Wellcome Trust (2003–2004). He was a member of
HEFCE’s Research Assessment Exercise panel for 2001 for hospital-based medicine and HEFCE’s strategic research committee (2003–2005). Other roles have included membership of the Department of Health’s advisory group on
hepatitis (1998–2004) and president of the British Association for the Study of the Liver (2001–2003). He was chair of the board of trustees of the British Liver Trust (2003–2006) and now vice president (2007-). Arthur has also chaired the national steering group for the
National Student Survey (2005–2008). Arthur was chair of the
Russell Group of universities (2009-2012). Current roles and public appointments include commissioner for the US/UK
Fulbright Commission (2008-), membership of the Council of the
Medical Research Council (UK) (2008-) and chair of the Advisory Group for National Specialised Services (NHS) (2010-). He was a council member of the Council for Industry and Higher Education (CIHE) (2012-2013). Arthur was a board member of
Opera North (2006-2013). He was a trustee of
Centre for London. ==Personal life==