Our Board

Jim Giumelli

  BEng FIEAust CPEng

Executive Chairman

The founder of Ertech and director of Ertech Holdings, Jim is a Fellow Chartered Professional Engineer of Engineers Australia. He has over 45 years’ experience in the construction industry, and has led the successful development, diversification and financial performance of the Group since inception.

Jim was the winner of the Western Region Entrepreneur of the Year 2007 in the Financial, Business and Property category.

James Giumelli


Executive Director

James has a civil engineering background with construction, consultancy and geotechnical experience in
Australia and the UK. He has overseen the successful delivery of some of the company's largest projects
including Wheatstone General Services 3, Gorgon Site Development and WAPET Landing, Utah Point
Berth Project, and Ravensthorpe Nickel Project.

As Managing Director of Ertech Holdings, James is responsible for leading the group with a focus on
increasing our capacity, operational performance and profitability across all business units.

Phil Harcourt

  BE(Civil) MIE(Aust) CPEng MAICD

Executive Director, Managing Director

Phil is a professional civil engineer with 36 years post graduate experience and 22 years in the steel and concrete remediation industry. As Managing Director of Duratec, he is responsible for overall management of the company, HSECQ, strategic planning and business development.

Chris Oates

  BAppSc (Const, Mgmnt &Eco) MAIB AAIQS MAICD

Executive Director, General Manager

Chris is General Manager of Duratec and has qualifications in quantity surveying and construction management and has been in the remediation industry for 17 years. He is responsible for tendering, negotiations, development of strategic planning and general management of the company.

Deane Diprose


Executive Director, Operations Manager

Deane is Operations Manager of Duratec and has 32 years of remediation contracting experience both in the mining and resources and large commercial buildings industries. He is responsible for project tendering and the oversight of operations statewide.

Gavin Miller

  BCom PostGradDip Business (Law) CPA ACIS GAICD

Executive Director

Gavin is a CPA, Chartered Secretary and a graduate of the Australian Institute of Company Directors, with over 20 years' financial and commercial management experience in diverse industries including manufacturing, utilities and civil construction.

As Executive Chairman of Ertech Holdings, Gavin is responsible for corporate strategy and business planning, risk management, compliance, and the financial performance of the Group.