ASC's Executive is responsible for the delivery of our Corporate Strategy which aims to grow the business through continually improving performance on existing programs, developing skills and establishing strategic partnerships that enhance our capacity to win new business.

Stuart Whiley

Chief Executive Officer and Managing Director


Stuart was appointed Managing Director and Chief Executive Officer of ASC Pty Ltd in February 2018 after holding the position of Interim Chief Executive Officer from July 2014, following a career with the company that spans more than 28 years.

Stuart has significant experience within ASC, having spent years in various submarine programs, projects, schedule and systems engineering roles within the business. In 2005 he was appointed General Manager, Collins Class Submarines, responsible for the Collins Class support activities in both South Australia and Western Australia.

Prior to emigrating to Australia from the UK in 1988, Stuart held a number of engineering roles at BAE, Admiralty Research Establishment and Dowtys working in a Naval/Weapons environment.

Martin Edwards

Executive Manager Maritime Services Group

CPEng, FIEAust, BMngt (Mktg), AssDip (Eng)

As Executive Manager Maritime Services Group, Martin is responsible for overseeing the development of ASC’s submarine capability as it relates to the future submarine project and other submarine-related opportunities.

Prior to his current role Martin was Chief Operating Officer of ASC Shipbuilding responsible for operational performance and generating an effective operating environment within the ASC Shipbuilding business unit and the Air Warfare Destroyer (AWD) Project. His primary focus was on project management, production, supply chain, quality and delivery of the Hobart Class AWDs. Martin also served as Shipbuilder Industry Participant representative for ASC on the AWD Alliance and as part of the AWD Executive Leadership Team.

Martin originally spent 19 years with ASC, having joined the company in 1988 as part of the original Collins Class design contingent seconded to Kockums, Sweden.  This was followed by various design, project and business development management roles, including General Manager – ASC Shipbuilding.  Prior to re-joining ASC in 2011, Martin spent five years in the Middle East and Western Australia as a chief operating officer in the construction of oil rigs, onshore gas processing plant, mining site expansions and various fabrication activities.

Paul Gay

Executive Manager Collins Class Submarine Group

BEng Mech (Hons), MEng (Mgt), FIEAust, CPEng, MAIPM, GAICD

Paul's responsibilities include: overseeing all aspects of submarine maintenance activities in Osborne, South Australia, and Henderson, Western Australia.  Paul was previously leading Pre-Production within the Air Warfare Destroyer Project.

Prior to joining ASC, Paul was the Platform Systems Engineering Manager for the BAE Systems' LHD project in Williamstown, Victoria. Paul has over 15 years’ experience in Major Naval Programs and has also worked as a consulting Engineer in the Steel, Paper and  Mining industries.  

Ashley Menadue

Chief Financial Officer


Ashley’s responsibilities include: Providing management and financial oversight, ensuring compliance with statutory requirements, and developing strategies and execution to ensure long term financial success for the ASC group.

Prior to his current role Ashley was the Financial Controller for ASC Shipbuilding which saw him work closely with ASC Shipbuilding management to manage the financial performance of the Program.

Prior to joining ASC in 2014, Ashley gained significant experience at BAE Systems spending 15 years working in Senior Executive Operational and Corporate Finance roles. He also has significant auditing experience.

Joanne Horne

Executive Manager People, Culture and WHSE

Joanne’s responsibilities include overseeing ASC’s people and culture functions and strategy across all business areas.

Joanne has a wealth of experience in heavy industrial environments and working across geographically diverse locations. She has more than 13 years’ experience in people and culture strategy and operational human resources execution, including five years as General Manager, with Caterpillar dealer, WesTrac.

Prior to joining ASC in 2018, Joanne provided consulting services to a range of businesses including mining company South32.

Christian Hamilton

Executive Manager Strategy and Communications

MARTS (Strategy and Management), GAICD, CSC(J)

As Executive Manager Strategy and Communications, Christian is responsible for developing ASC’s Corporate Strategy, management of the annual strategic planning process and development of contingency plans to address emergent risks and opportunities.

Prior to his current role Christian held positions in strategy, HR and organisational development with a focus on development of ASC’s strategic framework and enhancing business performance through organisational design, alignment and accountability.

Prior to joining ASC in 2011, Christian spent 14 years in the Australian Army where he held various command and leadership postings including operational tours of East Timor, Iraq and Afghanistan. 

Peter Tromans

Executive Manager Engineering

BE (Electrical Power), FIEAust, Eng Exec, CPEng

Appointed as Executive Manager Engineering in 2019, Peter is responsible for ASC’s submarine engineering capability across its South Australian and Western Australian operations.

Peter has held senior business development, naval shipbuilding engineering (Air Warfare Destroyer) and program management roles since re-joining ASC in 2008. He initially joined ASC in 1988 in an electrical engineering role at the start of the Collins Class build program.

Peter has also held a number of program management roles on electronic systems projects at BAE Systems Australia.  

Ben Pudney

Executive Manager Supply Chain


Ben was appointed to lead ASC’s Supply Chain in 2015, joining the company as an experienced procurement and supply chain leader with international experience in defence, mining and management consulting.

Ben is responsible for leading ASC’s internal supply chain capability and the management of an external supply chain of more than 1,700 suppliers, supporting ASC’s programs. He is also the  Executive Sponsor of ASC’s diversity and inclusion program.

Prior to joining ASC, Ben held senior roles with companies including BHP Billiton, Accenture UK and Linfox.

Mark Stephens

Executive Manager Operations

BCompSc, MEng

Mark was appointed Executive Manager Operations in 2012, responsible for all operations for submarine sustainment and maintenance, supporting over 650 permanent employees at ASC's two main sites in South Australia and Western Australia.

Mark has 30 years’ experience in the defence industry, fulfilling a number of senior roles at ASC since joining the company in 2004, including Supply Chain manager, commercial manager for submarine through-life-support and as senior project manager for submarine design and engineering.

Mark is a Royal Australian Navy veteran with ten years’ service, as a combat system specialist in surface combatants. 

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