Mr Gregg leads a global shipbuilding enterprise comprising five shipyards and eight service centres across four countries, employing more than 5,300 people worldwide. Paddy is an executive with experience in manufacturing, complex program delivery and business transformation across the defence, naval shipbuilding and infrastructure sectors. Prior to joining Austal, Paddy held senior leadership positions with Network Rail in the United Kingdom, where he was responsible for major infrastructure and renewal programs. Earlier in his career, he worked with BAE Systems Submarines in Barrow-in-Furness, England, including serving as Head of Project for the second Astute-class nuclear-powered submarine build program. In that role, he worked closely with the UK Ministry of Defence and Royal Navy to support the delivery of one of the United Kingdom's most complex defence projects.