The Western Sydney Director of the Sydney Business Chamber since 2012, David is integral in promoting discussion that contributes to economic activity and growth in Western Sydney.
Before public life he worked as an urban planner and adviser to the Minister for Planning. At age 30, he became the youngest ever Lord Mayor of Parramatta, serving three terms from 1999–2007.
In 2007, David was elected to represent the Granville electorate in the NSW Parliament. While in Government he served as Minister for Western Sydney and Minister for Roads, as well as Assistant Minister for Transport, and Minister for Housing, during his time in Government.
Following the 2011 election David, along with business partner Adam Byrnes, established Think Planners, a planning firm with a focus on Western Sydney.
He currently serves as a non-executive director on the boards of the Sydney Festival, the Westmead Medical Research Foundation, and Evolve Housing.
In 2001 his service to the people of Western Sydney was recognised with a Centenary Medal "for service to the community through local government".
David lives at North Parramatta with his wife Giselle and daughters Grace and Zoe.