Executive Management Team

Mick Finnegan

Michael Finnegan

Chief Executive Officer – Mr Finnegan holds a Bachelor of Science (Mining) with 24 years’ experience in the mining industry. The last 15 years have primarily been spent in senior line management positions. Mr Finnegan has a strong commercial and technical background and has spent time in operations on the east and west coast of Australia as well as a number of countries throughout Asia.


Giles Everist

Giles Everist

Chief Financial Officer – Mr Everist holds a Bachelor of Science in Mechanical Engineering (with Honours) and is a Chartered Accountant. He has more than 30 years' finance experience primarily within the resources sector.  Prior to joining Macmahon, Mr Everist held the position of Chief Financial Officer and Company Secretary at Monadelphous Group and has also held senior roles at Fluor Australia, Hamersley Iron and Rio Tinto London.


Greg Gettingby

Greg Gettingby

Chief Development Officer –  Mr Gettingby joined Macmahon in 2002 and was appointed to the position of Group General Counsel and Company Secretary in 2011. He previously held commercial management and legal roles with the Company. Mr Gettingby holds a Bachelor of Arts and a Bachelor of Laws and has more than 16 years’ experience in the contracting industry. Prior to joining Macmahon Mr Gettingby worked as a lawyer in private practice.


Carl O'Hehir

Carl O'Hehir

General Manager, Civil & Surface East – Mr O’Hehir holds a Bachelor of Engineering (Mining) and is a Site Senior Executive (SSE).  Mr O’Hehir has over 18 years’ experience in open cut mining in Queensland and in Africa across technical, operational and managerial roles. Prior to joining TMM in July 2010, Mr O’Hehir held senior positions at Thiess and BHP Coal. 


andrew doe square

Andrew Doe

General Manager, Underground – Mr Doe holds a Bachelor of Engineering (Mining) with 25 years' industry experience.  Mr Doe has a predominantly underground hard rock background across a range of commodities, working for Australian and Global producers.  Prior to joining Macmahon, Mr Doe worked in a corporate role with a global mining house. 


Mark Hatfield

Mark Hatfield

General Manager, Plant and Maintenance Services – Mr Hatfield has more than 16 years’ experience within the mining and heavy equipment industry and has fulfilled numerous operational and senior leadership roles. Mr Hatfield has a strong technical background and has spent time in operations on the west coast of Australia as well as a number of countries throughout Asia.


Katherine Martin

Katherine Martin 

General Manager, People and HSEQT – Ms Martin joined Macmahon as General Manager, People and HSEQT in 2019. She brings more than two decades’ experience in senior roles in human resources, workforce planning, organisational development and change management. A skilled communicator and negotiator, Ms Martin has directed HR policy and strategic people initiatives for national and global companies. Prior to Macmahon, Ms Martin held management positions with Mineral Resources Limited, Newmont, BC Iron, HWE Mining and Barrick Gold. Ms Martin is a member of the Australian HR Institute.


Michael Fisher

Michael Fisher

General Manager, Africa – Mr Fisher has 19 years’ experience in the mining industry and holds a Graduate Diploma of Mine Engineering. The last 8 years have primarily been spent in senior management positions. Mr Fisher has a strong commercial and operational background, with experience in mineral and coal operations in the Northern Territory, on the east coast of Australia and several provinces across Indonesia.


Peter Binsted

Peter Binsted

General Manager, Asia – Mr Binsted is a Civil Engineer with more than 30 years’ experience in hard rock mining and the civil construction business. Since joining Macmahon in 1985, he has held various operational and managerial positions in Australia, with the last 23 years spent in Southeast Asia. Mr Binsted has a strong commercial and operational background gained from managing successful business units in Asia.


David van den Berg

David van den Berg

Chief Technology and Innovation Officer – Mr van den Berg was appointed as Chief Technology and Innovation Officer in August 2016. He brings an extensive technology and commercial background to Macmahon throughout his 23 years’ experience across the mining, management consulting and technology sectors. Mr van den Berg commenced with Macmahon in 2008 as Chief Information Officer. Prior to Macmahon, Mr van den Berg held senior management and technology positions in both Australia and the UK, including BHP Billiton, PriceWaterhouseCoopers and CitiGroup.

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