Group 26

Board of Directors

Geoff Baker

Non-Executive Chairman


Geoff is a founding shareholder of MACA and has worked in the mining services sector for 40 years, with a focus on plant maintenance and asset management in both operational and management positions. Geoff’s previous Executive duties at the company included responsibility for planning, operating strategy, capital expenditure and delivery of safety and financial outcomes on all projects.

Robert Ryan

Independent Non-Executive Director


Robert brings over 40 years’ experience in civil engineering and construction to the Board. For 10 years he worked at a senior level for a significant public company working in engineering services. Prior to that Robert ran the Western Australian civil division of that business for 4 years contributing at a strategic level to the senior management group whilst the civil business established itself throughout Australia. During that time the business experienced significant growth. Mr Ryan later accepted a strategic role aligned to business growth and improvement, working on specific tasks both in Australia and overseas, reporting directly to the CEO of the infrastructure division. Robert was also a partner in a successful civil earthmoving business for 12 years.

Nick Marinelli

Independent Non-Executive Director

B Bus

Nick has over 35 years’ industry experience in the construction, infrastructure services and utilities sectors. He was the CEO of Fulton Hogan Australia between 2017 and 2019, during which time he grew the business into new sectors and geographies, in addition to leading commercial acquisition activities, new venture start-ups, marketing, business development and technology. Prior to joining Fulton Hogan in 2009, Nick held senior positions with Rinker Australia, Cemex Australia, Pioneer Construction Materials and Pioneer International, both locally in Australia and overseas.

Nick has a Bachelor of Business degree and is a graduate member of the Australian Institute of Company Directors. Nick is currently a Non-Executive Director of the Australia Road Research Board.

David Flanagan

Independent Non-Executive Director

David Flanagan is a geologist with more than 25 years’ experience in the mining and mineral exploration industry in Australia, Indonesia and Africa. David has a BSc in Mining and Minerals Exploration Geology, undertaken at Curtin University, WA School of Mines in Western Australia. He is a Fellow of the Australian Institute of Company Directors and Member of the Australian Institute of Mining and Metallurgy. David was the founding Managing Director of Atlas Iron Limited, during which he oversaw its growth from a junior explorer to an ASX top 50 company. David is currently Chairman of Battery Minerals Limited and Chair of Australian Remote Operations for Space and Earth.

Rachel Rees

Independent Non-Executive Director


Rachel is an experienced senior executive and non-executive director with expertise in business transformation, mergers and acquisitions, corporate governance, stakeholder engagement, strategy, compliance, financial and risk management.  She has a Bachelor of Business and is a Fellow of Chartered Accountants Australia and New Zealand, a Fellow of Governance Institute of Australia and a Fellow of Chartered Governance Institute and has held CFO and senior executive roles with ASX , TSX listed and private companies across diverse industries including mining, energy, logistics and industrial conglomerates. Rachel is currently the Chair of the Audit Committee for MACA Limited, a Non-Executive Director and Chair Risk, Audit and Finance Committee for Governance Institute Australia, a Non-Executive Director of Peninsula Energy Limited and is the Managing Director of Rees Corporate and Governance Advisory Pty Ltd.

Executive Leadership Team

David Greig

Chief Executive Officer


David has over 20 years’ experience in international mining, construction, maintenance, and infrastructure industries. Early in his career David worked for OEM’s in Kalgoorlie, Western Australia and the USA. This was followed by 12 years as a Regional General Manager for an international mining equipment and maintenance company, spending 6 years working in Australia and more recently six years in North and South America.

Peter Gilford

Chief Financial Officer and Company Secretary


Peter is a finance professional with experience in the areas of financial management, accounting, treasury, insurance, taxation, debt and equity funding. He has provided services to a large number of mining, exploration and construction companies. Peter has acted as Director, Company Secretary and Chief Financial Officer for both public and private companies. Peter holds a Bachelor of Commerce and a Graduate Diploma in Applied Corporate Governance Institute. Peter is a member of the Institute of Chartered Accountants in Australia and New Zealand and an associate member of the Governance Institute of Australia.

Michael Hunt

Executive General Manager - Mining

BEng(Mining), GradCertBus

Michael has over 24 years of experience in Estimating and Technical Services within the mining and civil industries, and has held senior roles with mining contractors for over 15 years.

Linda Devereux

General Manager - People

With more than two decades of experience in HR/corporate services positions, Linda has worked across a diverse range of private and ASX listed organisations. During her career, Linda has held senior and executive level positions within the automotive, ship building, commercial contracting, mining and mining services industries. Linda has a strong passion to drive an effective people and safety strategy across the organisation, whilst providing pragmatic systems and solutions to support business leaders achieve sound commercial outcomes and improve organisational cultures.