Board of Directors

With proven expertise and experience across the construction, engineering, maintenance and service sectors and backgrounds in engineering and finance, the Board is well placed to lead our business to achieve its strategic goals.

Andrew Barclay


Andrew was appointed as Chairman of Decmil in July 2020. Andrew is an experienced legal practitioner and is a former partner of the Perth office of Mallesons Stephen Jacques (now King and Wood Mallesons) with over 30 years’ experience in major projects, mining, banking and finance and insolvency matters. In private practice Andrew was involved in significant Western Australian infrastructure and mining projects, and major Western Australian corporate insolvencies. More recently Andrew has acted as in-house counsel during successful construction phases (through to operation) of the mine, rail and port infrastructure projects of Fortescue Metals Group Ltd and Roy Hill Holdings Ltd.

Vin Vassallo

Director and Interim Chief Executive Officer

Vin was appointed as a Non-Executive Director in June 2021, and was appointed Interim CEO in April 2022. Vin has over 25 years of experience in the Australian infrastructure sector, including 14 years at Transurban. Vin has previously been Executive Regional Manager for Abigroup Contractors, an Australian infrastructure contractor. Most recently, Vin has taken the role of Group Executive of Development at Transurban. Vin is also an Executive Director at Olla Advisory and holds a bachelor of Engineering, specialising in civil engineering.

Peter Thomas


Peter has over 25 years of experience in finance, including 15 years of experience in the resources and construction industry. Peter was Chief Financial Officer between February 2020 and April 2021, and in July 2020 joined the Decmil Board as a Director. He is an experienced executive in the construction and resources industry with a proven track record in leading and delivering major construction projects, and leading commercial, financial and corporate affairs. Peter’s experience in the last decade includes CFO, CEO and Project Director roles with Fortescue Metals Group, Adani and Balla Balla Infrastructure (part of the New Zealand Todd Group). Prior to this Peter worked in mergers/acquisitions and corporate finance for Lehman Brothers (New York and London) and Novartis (Switzerland).

David Steele

Non-Executive Director

David was appointed as a Non-Executive Director in June 2021. David has over 35 years of experience in the resources, energy and infrastructure sectors globally, having been with Worley for 17 years. David has worked in Queensland, WA and overseas. He has served as the Regional Managing Director of Asia and the Middle East, and then as Group Managing Director based in Houston, USA. He holds a Bachelor of Engineering, specialising in electrical engineering.