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Leadership Team

Leadership Team
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Julian Segal

Managing Director & CEO

1 July 2009

Julian joined Caltex from Incitec Pivot Limited, a leading global chemicals company, where he served as the Managing Director & CEO from June 2005 to May 2009.

Prior to Incitec Pivot, Julian spent six years at Orica in a number of senior management positions, including Manager of Strategic Market Planning, General Manager - Australia/Asia Mining Services, and Senior Vice President - Marketing for Orica Mining Services.

Julian is a director of the Australian Institute of Petroleum Limited.

Julian holds a Bachelor of Science (Chemical Engineering) from the Israel Institute of Technology and a Master of Business Administration from the Macquarie Graduate School of Management.

Andrew Brewer

Executive General Manager, Supply Chain Operations

Andrew was appointed to this position in April 2014. He is an experienced senior executive in the energy and resources sector. Commencing his career as a professional electrical engineer, Andrew has held leadership roles in engineering, project management, maintenance, reliability, operations, business strategy, planning and general management.

This has spanned the minerals processing, resources and energy industries across Australia and in Canada where he was Downstream Country Chair and General Manager of the Burnaby oil refinery for Chevron Canada. Andrew also previously managed the Kurnell refinery.

Viv Da Ros

Chief Information Officer

Viv was appointed to this position in December 2016 and is responsible for leading the technology transformation program at Caltex. He is a commercially-driven senior technology executive focused on customer-centric, innovative solutions which deliver operational efficiencies and engagement. His nearly 30 years of experience includes senior leadership positions in Australia, Asia and Europe, predominantly in the retail sector with the ASW Group, Tesco, KPMG and Dairy Farm International. Viv holds a Master of Business Administration from Manchester Business School and a Master of Project Management from The University of Technology, Sydney.

Simon Hepworth

Chief Financial Officer

Simon was appointed to this position in 1999. He joined Ampol in 1996, after 10 years with Arthur Andersen. He is responsible for Finance, Accounting and Decision Support, Treasury, Taxation, Investor Relations, Information Technology and Procurement.

Simon holds a Bachelor of Arts and a Masters of Applied Finance. He is a member of the Institute of Chartered Accountants in England and Wales. He is also a member of the Australian Institute of Company Directors.

Lyndall Stoyles

Executive General Manager, Legal and Corporate Affairs

Appointed as Executive General Manager Legal and Corporate Affairs in October 2016, Lyndall manages Caltex’s legal, secretariat, internal audit, compliance and corporate affairs teams. 

As General Counsel, she is responsible for providing legal advice to Caltex’s Board, CEO and broader leadership team. She is also Company Secretary to the Board. 

Prior to joining Caltex, Lyndall was Group General Counsel and Company Secretary for former logistics business Asciano and spent more than a decade with Clayton Utz advising on competition, commercial and corporate law issues in a broad range of industries.

Joanne Taylor

Executive General Manager, Human Resources

Joanne joined Caltex in 2016.

She is an accomplished human resources leader, having worked in human resources and operational roles for businesses such as McDonald’s Australia, Westpac, The Star and The Australian Industry Group.

Her last role at McDonald’s was Senior Vice President Human Resources, Corporate Communications and Supply Chain. Prior to this, her roles included leading the franchise and company operations across New South Wales and the Australian Capital Territory for approximately 290 retail stores.

Joanne holds a Bachelor of Commerce from the University of New South Wales.

Louise Warner

Executive General Manager, Supply

Appointed as Caltex Australia’s Executive General Manager Supply in September 2016, Louise Warner is responsible for ensuring competitive reliable fuel supply for our customers. 

Louise joined Caltex in 1999 and her career has spanned a range of roles within the company, starting as a process engineer at the Kurnell refinery. Louise gained commercial and trading experience through her secondment to Chevron UK. Recently, she was responsible for successfully establishing Caltex Australia’s first overseas operations, Ampol Singapore, which includes the company’s global trading and shipping function. 

Louise holds a Bachelor of Engineering (Chemical) from the University of New South Wales.