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The Team

Who we are

Our team is comprised of like-minded people with complementary skill sets and expertise in various fields including nuclear engineering, shipbuilding, military operations, telecommunications, information technology, artificial intelligence, human resources and data engineering.

DTC Member
Mat Hunter

Mat Hunter

Co-Founder & Managing Director

Mat Hunter is a graduate of the Royal Military College, Duntroon. As an army officer for more than 15 years, he removed barriers and led teams in some of the world's most complex places.

It was a grounding invaluable in his industry career as an ASC executive team member, where he applied his skills to managing people, IT, facilities, infrastructure and cybersecurity; and in senior operations and business development roles at two global shipbuilding companies.

Charles Carnegie

Charles Carnegie

Co-Founder & Chairman

Charles Carnegie is a mechanical engineer and technologist who moved from software development in the US and Australia to executive recruitment and leadership development. For 20 years he has helped boards and senior management implement fit-for-purpose governance, management and leadership strategies. He is the author of the internationally published Network Centred Leadership: How to lead in an increasingly complex and interconnected world, and a trustee of The Nature Conservancy Australia.

Recently, Charles applied his deep understanding of digital technologies and data analysis to develop DECADE, the proprietary data analytics platform at the heart of our investigative and analytical process.

Steve Ludlam

Steve Ludlam

Associate, Senior Advisor

Former ASC Chief Executive Steve Ludlam is a leader of complex engineering programs in the marine and nuclear sectors. Before moving to Adelaide to join ASC, Steve was president of Submarines at Rolls-Royce plc in the UK, leading the modernisation of the country's nuclear-powered submarine program.

Steve holds a master's degree in nuclear engineering from the Royal Naval College, Greenwich, UK. He has been voted one of Engineers Australia's 100 most influential engineers four times.

Since leaving ASC Steve has joined Mat and Charles at 4th Harmonic, broadening its strong industry and defence related expertise.

Gavin Hamilton

Gavin Hamilton

Head of Technology and Innovation

Gavin is an experienced professional with an extensive career spanning diverse roles related to information technology (IT), operational technology (OT), complex systems engineering, project management, and cyber security in both technical and senior leadership roles. He has worked in many industry sectors including defence, manufacturing, high technology, warehousing, and logistics managing projects for international and national organisations implementing innovative high technology products and change.

Gavin's formal educational qualifications are comprised of a Bachelor of Science (B.Sc.) in the Faculty of Mathematical Sciences from the University of Adelaide and a Master of Engineering in Military Systems Integration from the University of South Australia. He is a Senior Member of the Australian Computer Society.

Kim Howat

Kim Howat

Operations Manager

Kim is an experienced business leader within the human services sector, having held line management, business and general management roles in South Australia, Queensland and the UK. She is recognised as an expert in managing complex compliance programs and her track record includes leading turn arounds in the early learning and education sector.

Prior to joining 4th Harmonic Kim spent five years establishing a start-up business in the childcare sector and then lead the regulatory compliance function for a large Australian early learning company comprised of over fifteen individual businesses.

Liam Costello

Liam Costello

Researcher, Data Wrangler

Liam Costello is a market researcher and data wrangler who first joined 4th Harmonic as an intern and is now employed as a market research trainee.

Liam has a keen interest in understanding complex systems and problems through analysing large amounts of unstructured information; he is assisting 4th Harmonic to prepare a complete model of Australia’s defence industry and innovation ecosystem.

Liam graduated high school at St. Peter’s College in 2018 through the International Baccalaureate and is currently studying a Double Bachelor of Law and Advanced Economics at the University of Adelaide.

Aaron Hamilton

Aaron Hamilton

Technical Support Engineer

Aaron has joined 4th Harmonic as a Technical Support Engineer and is responsible for 4th Harmonic’s technical assets and for providing technical support to the software development and production environment. Aaron graduated from high school in 2020 from Nazareth Catholic College and is currently studying a Bachelor of Electrical and Electronics Engineering at the University of Adelaide. Aaron has a passion for all things technology and likes to solve complex problems using a variety of approaches. Aaron enjoys working in the 4th harmonic environment as it presents many opportunities to help deliver customer outcomes whilst expanding his skills, experience, and knowledge.