Mr. Matthew Halliday has been the Interim Chief Executive Officer of the company since March 2020. He joined Caltex as Chief Financial Officer in April 2019. Prior to joining the company, he served at Rio Tinto for 20 years, where he held senior finance and commercial roles across several divisions and geographies.

Mr. Greg Barnes has been the Chief Financial Officer since 2021. Prior to that he worked as 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.

Mr. Steven Gregg has been the Chairman of the company since August 2017. He has over 30 years of investment banking and management consulting sectors in Australia and the UK. Mr. Steven has held various roles with ABN AMRO, most recently as Global Head of Investment Banking and the Chief Executive Officer of the United Kingdom. He was a Partner in the Strategy and Financial Institutions practice at McKinsey & Company in Australia and other countries. Mr. Steven is a Director of Challenger Limited and Challenger Life Company Limited, Tabcorp Holdings Limited and William Inglis & Son Limited. He is the Chairman of Unisson Disability Limited and a trustee of the Australian Museum. Previously, Mr. Steven served as the Chairman of Goodman Fielder Limited and Austock Group Limited.