 Chesterfield-Evans spoke as an Australian delegate at the World Peace Forum in Canada in 2006 and also at Social Issues Forums with the Centre for Peace and Social Justice of Southern Cross University in the same year.Chesterfield-Evans joined the Australian Democrats in 1986 and was appointed to replace Elisabeth Kirkby in the New South Wales Legislative Council on her retirement on 25 June 1998.He was re-elected for an 8-year term in 1999 and was defeated at the 2007 election, achieving 1.8% of the primary vote, leaving the Democrats unrepresented in the NSW Parliament.