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Group Board

  • Dave Gilbert

    DIRECTOR

    Dave has over 30 years of formidable experience in managing project development and operations with a focus on mining and EPCM related projects. His seasoned acumen in projects and commercial management, performance optimization, business development, strategies and knowledge in the regional landscapes of Australia and Indonesia puts him in the perfect place to motivate, inspire and lead the Petros team to become the leading global sustainable mining breakthrough as a world-class platform with environmentally-responsible mining solutions and operations

  • James Gore

    DIRECTOR

    James has been a Director of HBS PNG Limited since 2022, following his tenure on the HBS Group Advisory Board (2020–2021). He is the Managing Partner of Gore Consulting, bringing over 25 years of expertise in chartered accounting across Papua New Guinea (PNG) and Australia. His career includes senior roles at EY (Partner) and PwC (Senior Manager), specializing in financial assurance, accounting advisory, corporate finance, governance, and strategy.

    An accomplished entrepreneur, James has founded and led ventures across diverse industries, fostering innovation and sustainable development. His thought leadership on corporate governance, financial management, and business strategy is widely recognized, with contributions at conferences, in publications, and as a social media influencer shaping discourse on PNG’s socio-economic progress.

    James serves as PNG’s representative on the APEC Business Advisory Council, advocates for small business growth as Founder of the MSME Council, and promotes professional excellence as Vice President of CPA PNG. Through his leadership and policy influence, he continues to drive meaningful impact locally and regionally.

  • Santhy Chrysanthina

    CHIEF FINANCIAL OFFICER

    Santhy is a seasoned Senior Finance Executive with over 25 years of experience in financial management, commercial leadership, and cross-cultural collaboration. A Chartered Accountant with a proven track record in business partnering, Santhy has worked across Indonesia, Singapore, Dubai, and Papua New Guinea, including with industry leaders such as Clough and Petrosea TBK.

    Renowned for building high-performing teams and driving strategic outcomes, Santhy specializes in implementing transparent financial frameworks, delivering insightful analytics, and ensuring robust corporate governance. Her ability to foster strong relationships with stakeholders underpins her commitment to strengthening HBS’s market leadership and cultivating an engaged, positive organizational culture.

    With extensive expertise spanning diverse regions and industries, Santhy brings a unique perspective and unwavering dedication to excellence in financial management and strategic growth.

Leadership Team

  • Adrian Stewart

    CHIEF EXECUTIVE OFFICER

    Adrian is a seasoned mining executive with over 25 years of experience across mine owners, contractors and a commodity trader. A qualified mining engineer with an MBA, Adrian has held senior leadership roles with organisations including Alcoa, Petrosea, and Köppern.

    His Experience spans leading and delivering international mining & construction projects across multiple regions, providing strong exposure to diverse operating environments and project execution models. He brings a strong commercial mindset, with deep experience in cost management, contract structures, and value focused decision making.

    Recognised for leading operational turnarounds and continuous improvement, Adrian is known for a disciplined approach to planning, strategy, and data-driven project delivery. His leadership style is practical and execution focused, with a strong emphasis on safety, accountability, and measurable outcomes.

    At HBS, his focus is on providing stability, strengthening operational performance, building leadership capability, and positioning the business for sustainable long-term growth.

Advisors

  • Bob Watkins

    ADVISOR

    Bob is a towering figure in PNG's construction and mining landscape, with an unparalleled 51-year career marked by resilience, expertise, and leadership. Spending 26 years with top-tier construction companies Barclay Bros and Pangia Constructions, Bob mastered logistics, plant and equipment asset management across diverse operations—spanning aircraft, landing barges, major construction fleets, and real estate. Renowned for maintaining heavy equipment in some of the most remote and challenging environments, he has been instrumental in every major PNG mining and gas project, from Bougainville Copper to the latest LNG developments.

    In 1995, Bob founded his own Brisbane-based company, delivering heavy equipment, spare parts, and technical support to the PNG market while trading machinery globally. By 2006, he doubled down on his commitment to PNG, founding HBS Machinery. Under his leadership, the company rapidly became a cornerstone in construction equipment and mining support services.

    Bob’s boardroom acumen matches his field expertise. His directorships include:

    Director of PNG Contractors (1974–1989)

    Director of Barclay Mowlem (1983–1990)

    Director of Pangia Constructions (1991–1994)

    Sole Director of Representative Agencies Pty Ltd (1995–2012)

    Today, Bob serves as Director of Watrep Pty Ltd, HBS Group of Companies, Hidden Valley Contractors, and Fubilan Joint Venture. A no-nonsense leader with decades of hard-earned experience, Bob is trusted for his unwavering dedication, strategic insight, and unmatched capability to deliver in high-stakes environments. He is the driving force behind HBS’s continued success and a cornerstone of PNG’s construction and mining sectors.

Our Values

Caring

Delivering

Teamwork

Integrity

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