Our Team

PMB Defence is a recognised world leading supplier of high quality energy and specialised engineering solutions for submarines, attracting outstanding team members committed to working at the highest standard for their field.  Our diverse workforce supports PMB’s ability to focus on the submarine application and is recognition of the complex and highly integrated nature of the domain.

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Senior Management Team

Stephen Faulkner

Chief Executive Officer

Stephen is the Chief Executive Officer at PMB Defence and has overseen a period of substantial company growth since his appointment in 2010.

Stephen provides the strategic leadership towards PMB achieving its vision of becoming the recognised world leader in submarine battery solutions.  Stephen brings to PMB significant financial and general management expertise from working in Chartered Accountancy with Deloitte followed by well over 20 years in the Defence industry with senior executive positions at Vision Systems, Tenix Defence and Saab.

Stephen holds a Bachelor of Economics from the University of Adelaide.

Nick Thorn

Chief Financial Officer

As the Chief Financial Officer for the PMB Defence Group, Nick is responsible for financial management and statutory compliance of the Group.

Nick has over 30 years’ experience in various Senior Financial roles, commencing his professional career with international accounting firm Deloitte, where he worked primarily in audit and corporate advisory.

Nick holds a Bachelor of Economics from the University of Adelaide along with a Management Certificate of Business Administration from the Monash University and is a member of the Institute of Chartered Accountants.

Claude Messina

General Manager - Lead Acid Business Unit

Claude is the General Manager for our Lead Acid Business Unit.  This covers products, projects and services associated with our growing Lead acid battery customer base.

Claude brings with him over 25 years of defence industry experience having worked for a number of prime contractors and smaller entities in technical, project management and senior management positions spanning avionics and mission systems, electronic warfare and surveillance systems. A key focus on his portfolio is delivering and exceeding customer’s expectations such that PMB achieves the strategic objective of being regarded as the world’s best submarine battery company.

Claude holds a Bachelor of Engineering degree from the University of Adelaide.

Mike Hartas

General Manager - New Technologies Business Unit

Mike is the General Manager of our New Technologies Business Unit, focusing on new battery technologies for submarine applications.

Mike is an active defence industry advocate and has worked for QinetiQ, REDARC and most recently at Shoal Group, where he was the Deputy CEO and Head of Programs.   Mike also holds the role Chair of the Defence Teaming Centre (DTC) Board, after serving on the DTC Board for three years.

Mike’s credentials span almost three decades in Defence and defence industry, including 18 years in the Army.  Mike brings more than a quarter of a century of experience in technology intensive industries which has seen him lead the development of Australian owned Small to Medium Enterprises and the introduction of innovative technologies into global markets.

Mike holds a Master of System Engineering, a Master of Defence Acquisition and Procurement and a Master of Strategic Logistics and is currently completing an Executive MBA through University of Adelaide.

Dhiren Bhalsod

General Manager – Commercial & Business Support

Dhiren is responsible for the contracts and procurement team at PMB, bringing with him over 15 years’ of experience in both defence and non-defence sectors.

Prior to joining PMB Defence, Dhiren worked for a number of multi-national companies including Leonardo, Thales , BAE Systems and Schneider Electric in various Contracting, Procurement and Engineering roles.

Dhiren is familiar with the Contracting and Procurement models used by the respective governmental agencies of Australia, the US, Canada, Europe and Scandinavian countries which has assisted PMB’s push into various export markets.

Dhiren holds a Bachelor of Engineering in Mechanical Engineering from M.S University in India and a Post Graduate Diploma in Computer Integrated Manufacturing from Swinburne University, Australia.

Amanda Byrne


As the General Manager – Employee Experience for the PMB Defence Group, Amanda is responsible for developing and executing the PMB human resources strategy to achieve operational performance across all aspects of the business.

Amanda has over 20 years’ experience in various human resources roles, across multiple industries.  Prior to joining PMB Defence, Amanda worked for BAE Systems Australia, Outotec (now Metso: Outotec), ASC Shipbuilding (now BAE Systems), Downer Group and Babcock Australasia.  These roles have seen Amanda live in Adelaide, Newcastle, Wagga Wagga, Perth and Melbourne and operate across multiple international jurisdictions.

Amanda holds tertiary qualifications in Business and Human Resources and is currently undertaking further university studies.

Colin Jeremy

Operations Manager

Colin is the Manufacturing Manager for PMB and is responsible for realising operational goals in line with the strategic plan of the business. Colin is a highly experienced manufacturing manager, having spent the past 32 years within the manufacturing environment,

Colin determines and is responsible for the efficient management of all aspects of the production operations, including integration of new products and setting up a new purpose built facility using lean manufacturing techniques.  primarily within the aerospace industry.

Colin is a trade qualified sheet metal worker who worked rapidly through the ranks of Airbus UK and successfully transitioning to manufacturing management in 2010.