sentences:  He served as President of the Commonwealth Association of Planners from 2000 to 2006, and as Secretary-General from 2006 to 2010.From 2008 until 2015 he led the team at the Royal Town Planning Institute that provided the UK Contact Point for the ESPON programme (ESPON is the European Network for Territorial Development and Cohesion).In 2011 he chaired the Commonwealth expert group on urbanisation.