Specialist areas of interest include RMA mediation, community facilitation, conflict coaching and strategic facilitation.
Leigh was the Chief Executive of Manukau City Council, a position that terminated with the formation of the new Auckland Council on 1 November 2010.
He was appointed by the Central Government to the Board of Inquiry for the proposed Men’s Prison at Wiri in 2011, and the Review Panel for Kaipara District Council in 2012.
Leigh has extensive local government experience with a particular background in planning, infrastructure and transport. Leigh has had significant engagement with Iwi over a number of decades.
He is a former President and Inaugural Fellow of the NZ Planning Institute and, in November 2009, he received a Distinguished Service Award for his significant contribution over many years to the image and practice of planning. He received a 50th Jubilee Award from the Eastern Regional Organisation for Planning and Human Settlements (EAROPH) in October 2010, for his contribution to Planning and Human Settlements in NZ.