- Policy Committee, Advisory Group, The Vegan Society, UK (2016)
- Advisory Board, Centre for Human Animal Studies, Edge Hill University, UK (2014)
- Executive Director, Minding Animals International (2012-present)
Steering Committee Member for Minding Animals 2 Conference at University of Utrecht (2012), Minding Animals 3 Conference at Jawaharlal Nehru University, New Delhi (2015), and Minding Animals 4 Conference at Mexican National University in Ciudad de México (2018)
- Committee member, Hastings Old Town Residents Association, Hastings, UK (2010-2013)
- Founding President and Director, Canton Community Association, Baltimore, USA (2001-2003)
- Chair, Canton Community Association Dog Park Committee (2001-2003)
- Chair, Summit for the Animals (1997-1998) [Now National Council for Animal Protection]
- Executive Committee, Summit for the Animals (1996-1999)
National Council Member, RSPCA (1984)
- Chair, The National Council, The Vegan Society UK (1983-1984
- Member of the National Council, The Vegan Society UK (1982-1984)
- Cofounder and Chair, Coordinating Animal Welfare (1978-1984)
