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.

  • 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 an 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 the UK. David has a customer, sales, and marketing background and is passionate about delivering great customer experiences and outcomes.

  • 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.

  • 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.

  • Damian Miller

    BN
    General Manager Quality, Health, Safety and Environment
    Damian has over 20 years’ international experience in Operations Management, Quality, Health, Safety & Environment, QA/QC, Oil & Gas and most recently the steel industry. He has held various Operations & Executive Management positions in the US, Asia, Africa, Latin America

  • Anna Morris

    LLB, BA
    General Manager, People & Culture
    Anna joined Steel & Tube in 2019. She is an experienced executive with a background in human resources, 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.

  • 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.

  • Peter Ensor

    BE Civil (Hons)
    General Manager Reinforcing/Wire and CFDL
    Peter joined Steel & Tube in 2021. He brings extensive construction experience with over 20 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 on the committee of Civil Contractors NZ, Auckland branch, and also currently the chair of Concrete NZ Reinforcing Processor's Stakeholder Group.