Our Board

Eva Skira


Non-Executive Chair (Interim) – Eva Skira joined the Board as a Non-executive Director in September 2011. Ms Skira has a background in banking, capital markets, stockbroking and financial markets, previously holding executive positions at the Commonwealth Bank and later with stockbroker Barclays de Zoete Wedd. Subsequently, she has served on a number of boards in business, government and the not-for-profit sectors across a range of industries.

Ms Skira is currently the Chair of the Trustees of St John of God Health Care Inc and a Non-executive Director for The WA Parks Foundation, the Western Australian Cricket Association (WACA) and Western Power.  As a Director, Ms Skira has chaired a number of Audit, Compliance and Risk Committees.

Ms Skira was recognised in the 2019 Australia Day Honours list and awarded a Member of the Order of Australia for business.

Ms Skira is currently the Chair of the Remuneration & Nomination Committee and a member of the Board's Audit & Risk Committee.

Alex Ramlie

Alex Ramlie

Non-Executive Director – Mr Ramlie joined the Macmahon Board in August 2017 and is also a Director of AMNT. Prior to joining AMNT, Alex was the President Director and Chief Executive Officer of PT Borneo Lumbung Energi & Metal Tbk which operates a hard coking coal mine in Tuhup, Central Kalimantan.

Between 2012 and 2015, Alex was also a Director of Bumi PLC, a Vice-President Commissioner/ Vice-Chairman of PT Berau Coal Energy Tbk and its subsidiary, PT Berau Coal, and held Commissioner positions in PT Bumi Resources Tbk, PT Kaltim Prima Coal, and PT Arutmin Indonesia.

Before entering the mining industry in 2011, Alex was a private equity professional and was Managing Director of Ancora Capital Management Pte. Ltd., an Indonesia focused private equity fund.

Mr Ramlie is a member of both the Remuneration & Nomination Committee and the Board's Audit & Risk Committee.

Arief Sidarto

Arief Sidarto

Non-Executive Director – Mr Sidarto joined the Macmahon Board in August 2017 and is also the Chief Financial Officer of AMNT. His qualifications include an MBA from Harvard Business School and two bachelor degrees with summa cum laude from The Wharton School of Finance and The Engineering School of the University of Pennsylvania.

Prior to joining AMNT in April 2017, Mr Sidarto held the position of Managing Director and Member of the Board of PT Rajawali Corporation. He was also Managing Partner of Samuel Group from 2009 to 2015 and Managing Director of Wellspring Capital Partners from 2010 to 2014.

Mr Sidarto was previously with Goldman Sachs New York in 1991 in its Structured Finance Division; before relocating to Hong Kong and then Singapore to run investment banking and corporate finance as Chief Operating Officer.

Vyril Vella

Vyril Vella 

Independent Non-Executive Director – Mr Vella re-joined the Macmahon Board on 29 June 2019. He was previously a Non-Executive Director of Macmahon for more than 10 years until October 2018. During his previous tenure with Macmahon he was also Chair of the Company’s Remuneration & Nomination Committee, and a member of the Audit & Risk Committee. Mr Vella is therefore uniquely placed to ensure that Macmahon has the benefit of another Independent Non-Executive Director with significant long-term background on the business while further independent board appointments are made.

In addition to his experience with Macmahon, Mr Vella has over 40 years’ experience in the civil engineering, building, property and construction industries. During Mr Vella’s 34 years with the Leighton Group (now CIMIC) he held various positions including General Manager NSW, Director of Leighton Contractors Pty Ltd, Managing Director of Leighton Properties and Associate Director of Leighton Holdings.

Mr Vella is currently the Chair of the Board's Audit & Risk Committee and a member of the Remuneration & Nomination Committee.

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