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.
  • Dave Clegg


    General Manager People & Culture
    Dave joined the company on 1 June 2010. He has more than 25 years’ experience in human resources management, including consulting to Contact Energy as GM Human Resources and as change manager for a major enterprise transformation project.
  • 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.
  • Ross Pickworth

    MBA, B.E

    General Manager Infrastructure
    Ross joined the company on 5 December 2016. He has had significant experience in the management and leadership of infrastructure supply and service businesses and has held GM roles with Holcim Cement and Delta Utility Services.