Executive Team

The leadership of Steel & Tube is committed to executing the company strategy to grow and enhance New Zealand’s leading steel distribution business in the face of an ever-changing market, and to playing an active role in supporting New Zealand’s economic growth and development.

  • Mark Malpass

    MBA, BE (Hons), NZCE
    Chief Executive Officer
    Mark has had significant executive and governance experience both in NZ and overseas. He worked with ExxonMobil Corporation for over 19 years, previously Managing Director of Mobil Oil NZ, and was Chief Executive of Fletcher Building’s largest division, Infrastructure Products. Mark was appointed Chief Executive in February 2018, after initially being appointed an Independent Director in March 2017 and then stepping down to take on the interim CEO role in September 2017.

  • Richard Smyth

    BCOM, FCA
    Chief Financial Officer
    Richard joined the company in 2021. A Fellow Chartered Accountant, Richard has financial and senior level leadership experience across the entertainment and energy sectors. He commenced his career within PwC’s audit team, working both in New Zealand and overseas. His most recent role was Deputy Chief Financial Officer at SkyCity. Richard is a board member of the New Zealand Accounting Standards Board.

  • Anna Morris

    LLB, BA
    General Manager, People & Culture
    Anna joined Steel & Tube in 2019. She is an experienced executive with a background in people and culture, law and corporate services. Anna has worked extensively in the construction and building industry, with her previous role being Head of People & Performance at Fletcher Construction Company Ltd.

  • Marc Hainen

    BBus, PGDipBus
    General Manager Strategic Growth
    Marc joined the company in 2017. He brings significant experience in the steel and construction industry in New Zealand. Marc has a strong background in sales and marketing management, operations and manufacturing as well as logistics and supply chain. He has held a variety of management and leadership roles in New Zealand, Australia and the UK, including multiple roles leading a variety of divisions within Fletcher Building Limited. Marc was GM Distribution until July 2023.

  • Peter Ensor

    MBA, BE Civil (Hons)
    General Manager Reinforcing, CFDL and Major Projects
    Peter joined Steel & Tube in 2021. He brings extensive construction experience with over 25 years’ in the industry. Peter brings to Steel & Tube a successful track record of leading and building teams with a focus of health & safety, quality, financial management and customer engagement. Peter is a committee member of Civil Contractors NZ – Auckland Branch, and is the Chair of the Concrete NZ – Reinforcing Processor’s Sector Group.

  • Damian Miller

    BN
    General Manager Quality, Health, Safety and Environment
    Damian brings more than 30 years of global experience across operations, quality assurance, health and safety, and environmental management. His career spans senior operational and executive roles in the oil and gas, steel, and manufacturing sectors, with postings across the United States, Asia, Africa and Latin America.

  • Raffaella del Prete

    BSEng, MScEng, MRes
    Chief Digital Officer
    Raffaella joined the Steel & Tube team in December 2023, and brings over 20 years of IT experience to the Chief Digital Officer role. She has worked in the UK, France and New Zealand with global businesses such as Vodafone, AIA, BP and Fonterra, giving her exposure to a diverse range of businesses and technologies. Her experience in leading digital transformations along with sustainable technologies experience is a valued addition to the Steel & Tube team.

  • Peter Reiber

    NZCE, Mechanical
    General Manager Rollforming
    Peter re-joined the Steel & Tube team in 2022, building on over 20 years of industry and senior management experience. With a specialisation in process improvement, leadership and business development for manufacturing and technology-driven companies, Peter brings a wealth of knowledge and expertise to the role.

  • Sam Reindler

    BE Mech (Hons)
    General Manager Logistics & Distribution Centers
    Sam started working with Steel & Tube in January 2022 as the National Commercial Manager for Reinforcing. He brings extensive engineering and construction, operational and commercial experience from companies such as KiwiRail, Transport for London, Auckland Transport and Waste Management.

  • David Welsh

    BCA
    General Manager Distribution
    David joined in 2025 and has extensive general management experience in multiple sectors in the building industry including concrete, aggregates, pipelines and roofing. Prior to Steel & Tube he worked at Fletcher Building and has also held several general management positions in manufacturing including in the UK. David has a customer, sales, and marketing background and is passionate about delivering great customer experiences and outcomes.

  • Steve Halse

    National Manager, Galvanising
    Steve joined Steel & Tube in May 2025 through the acquisition of Perry Metal Protection. He has led Perry Metal Protection since April 2018, and has a wealth of in-depth knowledge across the galvanizing industry. Steve has a strong background in operations and manufacturing as well as distribution, logistics and supply chain. He has held a variety of management and leadership roles in New Zealand, previously working for SealesWinslow and the Gallagher Group.