Leadership Team

Leadership Team

Matthew Halliday Ampol CEO and Managing Director

Matthew Halliday

Managing Director and CEO


29 June 2020


Matthew Halliday was appointed Managing Director and Chief Executive Officer in June 2020. He joined Ampol in April 2019 as Chief Financial Officer.

Prior to joining Ampol, Matthew enjoyed a successful career with Rio Tinto spanning 20 years, where he held senior finance and commercial roles across several divisions and geographies.

Matthew is a Chartered Accountant and holds a Bachelor of Commerce from the University of Western Australia and an MBA from London Business School.

Michael Abbott, Ampol Leadership Team

Michael Abbott

Chief Governance and Risk Officer

Michael Abbott was appointed as Chief Governance and Risk Officer in January 2021. He is responsible for risk, audit, legal, secretariat, corporate affairs and sustainability. As General Counsel, he is responsible for managing legal risk for Ampol and providing legal advice to Ampol’s Board, CEO and broader leadership team. He is also Company Secretary to the Board.

Prior to joining Ampol, Michael spent 15 years at Woodside Energy, holding a variety of senior roles, including Senior Vice President, Corporate and Legal, where he was responsible for multiple corporate disciplines, including government affairs, emergency management, audit, governance, as well as business climate and economic outlook. Before Woodside, Michael spent 13 years working as a private practice lawyer in Australia and Hong Kong. 

Michael holds a Bachelor of Law and Arts and a Master of Business Administration from the University of Western Australia.


Greg Barnes

Group Chief Financial Officer

Greg Barnes was appointed Group Chief Financial Officer on 1 July 2021.

Greg has more than 25 years’ experience in finance, including as Group Chief Financial Officer for Coca-Cola Amatil, Nine Entertainment Co and CSR Limited. He has also held senior finance roles in the industrial and manufacturing sectors in the Asia Pacific region.

Greg is a qualified Chartered Accountant and holds a Bachelor of Commerce from the University of Newcastle as well as a Master of Business Administration from the Macquarie Graduate School of Management. Greg is also a member of the Australian Institute of Company Directors.

Andrew Brewer, Ampol Leadership Team

Andrew Brewer

Executive General Manager, Fuel Supply Chain

Andrew Brewer was appointed Executive General Manager, Fuel Supply Chain in November 2020 and manages Ampol’s Australian manufacturing and distribution assets as well as the Information Technology business.

He is an experienced senior executive in the energy and resources sector, having held leadership roles for large-scale facilities and integrated supply chains in the minerals processing, resources and energy industries across Australia, New Zealand and Canada.  This includes former roles at Ampol, where he was General Manager of the Kurnell refinery, and later Executive General Manager of Supply Chain Operations and Executive General Manager Transformation.  Andrew has returned to Ampol from Refining New Zealand where he held the position of Chief Operating Officer.  

Andrew has a Bachelor of Engineering (Honours) and a Bachelor of Science from the University of Adelaide and a Diploma in Management from Deakin University.

Brent Merrick Ampol Leadership Team

Brent Merrick

Executive General Manager, International and New Business

Brent Merrick was appointed Executive General Manager, International and New Business in September 2020. Brent is responsible for the commercial functions of the Fuels and Infrastructure business, including trading and shipping, B2B sales, supply and commercial optimisation across the value chain, as well as building future energy solutions for our customers.

Brent joined Ampol in 2000, with his career at the company spanning a range of roles, including his first job as a Process Engineer at the Lytton refinery in Queensland.  Brent gained commercial and trading experience through roles in the Australian supply and trading teams, before being seconded to Chevron Singapore.  Brent held the roles of National Sales Manager and Transformation Officer in the marketing business before returning to Singapore as a trader. More recently, he was responsible for expanding Ampol’s international operations by establishing offices in Singapore and the United States, which drive the company’s global trading and shipping business. 

Brent holds a Bachelor of Engineering (Chemical) from the University of Queensland.

Alan Stuart-Grant Ampol Leadership Team

Alan Stuart-Grant

Executive General Manager, Growth and Development 

Alan Stuart-Grant was appointed Executive General Manager, Growth and Development in May 2021, with responsibility for delivering opportunities that support Ampol’s International and Future Energy growth agendas.

Prior to being appointed to this role, for over three years Alan held the position of Executive General Manager, Strategy and Corporate Development, with responsibility for Ampol’s strategy, corporate development, mergers and acquisitions and transformation activities.

Prior to joining Ampol, Alan held a senior position in the Oil and Gas department of Glencore plc, and prior to that spent more than a decade in private equity and investment banking, working in Sydney, London and Singapore.

Alan holds a Bachelor of Science (Business Administration) degree from the University of Bath and is also a member of the Australian Institute of Company Directors.

Joanne Taylor Ampol Leadership Team

Joanne Taylor

Executive General Manager, Consumer and B2B

Joanne Taylor was appointed Executive General Manager of Consumer and B2B in August 2020. She is responsible for Ampol’s retail business, human resources, brand and marketing, and internal communications. 

Joanne, who joined Ampol in 2016, has over 20 years’ experience in the retail, QSR, hospitality and manufacturing sectors, and brings significant experience in operations, supply chain, communications and human resources to Ampol. 
In her role she is focused on transforming Ampol’s national network of stores with the revitalisation of the Ampol brand and evolving its retail offer to make life easier every day for millions of Australian consumers and business customers. 

Prior to joining Ampol, Joanne spent 11 years at McDonald's Australia in operations, franchise, people and supply chain roles. Joanne holds a Bachelor of Commerce from the University of New South Wales.