Peter's experience began with his Navy service followed by business development and general management in the aerospace and rural service industries. He then completed a fulltime, one year MBA before being elected to State Parliament in 1994.
In politics, Peter was a Shadow Minister for much of his seventeen years in Parliament and was responsible for many portfolios including Treasury, Police, Transport, Planning, Energy and Infrastructure. He was also a major influence on policy debate in New South Wales and in 2005 became Leader of the Opposition. He led the NSW Coalition to their first increase in voter support in nineteen years and five state elections, achieving a strong 3.9% swing to the Coalition at the 2007 state election.
After leaving State Parliament in 2011, Peter has contributed his time and energy to helping charities and not-for-profit organisations. He is currently Chairman of NSW Kids in Need Foundation Limited, Chairman of The Muscular Dystrophy Association of NSW, Vice Chairman of CARE Australia, Chairman of the Advisory Board of Our Big Kitchen Limited and a Director of Muscular Dystrophy Foundation Australia, The Paraplegic & Quadriplegic Association of NSW, Disability Sports Australia Limited and Soils for Life Pty Limited.