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 Mech (Hons), NZCE

    Mark first joined Steel & Tube as an Independent Director in March 2017, but has stood down from the Board after being appointed interim Chief Executive on 25 September 2017. Mark was permanently appointed as Chief Executive on 22 February 2018. Mark has had significant executive experience both in NZ and overseas. He worked with ExxonMobil Corporation for over 19 years and was Chief Executive of Fletcher Buildings largest division, Infrastructure Products, which included transforming their steel distribution businesses.
  • Greg Smith

    BCA, CA

    CFO and Company Secretary
    Greg joined the Company on 30 October 2017. A chartered accountant, Greg has financial and senior level leadership experience across the telecommunications, dairy, electricity and infrastructure sectors. He commenced his finance career with KPMG’s audit team in Wellington in 1996 and has held finance roles with Opus International Consultants Limited and since 2011, as Chief Financial Officer for with Wellington Electricity Lines (WEL) / International Infrastructure Services Company (IISC).
  • Marc Hainen

    BBus, PGDipBus

    General Manager Distribution
    Marc, who joined the company on 1 November 2017, brings significant experience in the steel and construction industry in New Zealand. He has a strong background in sales and marketing management, operations and manufacturing as well as logistics and supply chain. Marc 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.
  • Steve Kubala

    General Manager S&T Roll Forming
    Steve first joined the company with the purchase of Cable Price Steel in 1989. In 1995 he left to join Mico Wakefield, returning to S&T in 2007. Since that time he has held a number of senior managerial roles across the company. As Integration Manager, Steve led the assimilation of the company now trading as S&T Stainless, before becoming GM of that business. Now General Manager Roll Forming, he now leads the teams which includes Roofing, Coil, Purlins and Comflor businesses.
  • Miki Cooke

    MMgmt, B.Comm, CIPS

    National Manager, Supply Chain
    Miki joined the company in May 2017. Miki has worked for more than 25 years in Supply Chain, specialising in Procurement and for a number of multi-national companies based in ANZ and within a number of industries. Miki has played an active role in the supply chain industry, serving as President of APICS NSW and a director of APICS Australia.
  • Damian Miller


    General Manager, QHSET
    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. Damian joined Steel & Tube in 2016 and reports directly to the CEO. He has responsibility for the creation and implementation of the company’s quality strategy and initiatives, and development of Steel & Tube’s company-wide quality culture.