Jon is a biologist at Glasgow University (Honorary Research Fellow since October 2006), a current member of Council and Convenor of Conservation Committee. He has been an active member of the Trust since the late 1960s, mostly as a member of the Clyde Group, including periods as Vice-Chairman (1985 to 2003) and Chairman (2003 to 2006).
He was a member of the Trust’s Committee of Inquiry (2002) and has served on Council from 1985 to 1992 and 2006 to 2009. Jon organised “Oor Wullie’s Wildlife Garden” at the Glasgow Garden Festival in 1988 and is a member of a wildlife sites’ survey team. He is currently producing a nature trail for Partick, in Glasgow. His other interests include cricket and hill walking.