In the US he developed an interest in marketing and media and acquired new techniques in retail finance, including margin lending, which he introduced to Australia.
[citation needed] He joined stockbroker Ord Minnett as an analyst in 1968 and moved to BT Australia as investment manager in 1970.
[citation needed] Corrigan is best known for the 1998 Australian waterfront dispute, in which he attempted to sack the heavily unionised workforce and replace it with strikebreakers, eventually leading to reform and restructuring of dockyard labour practices.
[citation needed] In 2007, Corrigan became non-executive chairman of companies associated with KFM Diversified Infrastructure and Logistics Fund[1] which became Qube Holdings.
[2] The companies have bought into joint ventures in some of the stevedoring, wharf and shipping operations acquired by DP World when it took over P&O Transport Australia.