South32 Ltd - Company Profile
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The following section provides information on South32 Ltd’s senior management, executives, CEO and key decision makers and their roles in the organization. For more insight into South32 Ltd's management and employees, unlock the full data with our company analytics monitoring tool.
Executives
Stephen Pearce
Chairman Executive BoardMr. Stephen Pearce has been the Chairman of the company since February 2026 and Director of the company since February 2025.
Graham Kerr
Chief Executive Officer; Managing Director Executive BoardMr. Graham Kerr has been the Managing Director and Chief Executive Officer of the company since 2015. Prior to this, he served as the Chief Financial Officer of BHP from 2011 to 2014. He was the President of Diamonds and Specialty Products at BHP. Earlier, he served as the General Manager Commercial of Iluka Resources Limited.
Sandy Sibenaler
Chief Financial Officer Senior ManagementMs. Sandy Sibenaler has been the Chief Financial Officer of the company since 2023. Prior to this, she served as the Vice President of Finance at the company. Ms. Sibenaler held various senior finance roles at Woodside and BHP, including the Vice President of Treasury and Insurance, General Manager Logistics, and the Finance Reporting Manager.
Vanessa Torres
Chief Operating Officer Senior ManagementMs. Vanessa Torres has been the Chief Operating Officer of the company since 2024. Prior to this, she worked as the Chief Technical Officer at the company, and the Vice President of Operational Infrastructure at BHP Western Australian Iron Ore operation. She has over 28 years of global mining experience in operational and commercial roles. Ms. Torres held senior roles at BHP and Vale in strategy, projects, business development, and operations.
Matthew Daley
Deputy Chief Executive Officer Senior ManagementMr. Matthew Daley has been the Deputy Chief Executive Officer of the company since February 2026. Prior to this, he served as the Director of Technical and Operations, and the Head of Mining at Anglo American plc. He also served as an Executive General Manager of Canadian copper division at Glencore, the Project Head at Minera Alumbrera for the Agua Rica Project in Argentina. Ms. Daley also worked as a Mine Manager at Xstrata.
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