Working under the supervision of our Chief Executive Officer, our Lead Team’s role is driving our strategic goals in a way that’s in line with our values, Code of Business Conduct and the risk appetite set by our Board. While each member of the team leads a specific part of the business, they also work as a collective to help us achieve our strategy and purpose.

Graham Kerr BBUS, FCPA, 49

Chief Executive Officer and Managing Director

Graham KerrMr Kerr has been our Chief Executive Officer since October 2014. He’s responsible for running all parts of our business. In May 2015, he led the charge on establishing South32 and its public listing in three countries.

Mr Kerr is passionate about health, safety and sustainability, with a strong track record in global resource development. Before joining us, he worked in a range of roles at BHP, including Chief Financial Officer and President of Diamonds and Specialty Products.

As President of Diamonds and Specialty Products, he was accountable for the Ekati Diamond Mine in Canada, the Richards Bay Minerals Joint Venture in South Africa, diamond exploration in Angola, the Corridor Sands Project in Mozambique and the development of BHP’s potash portfolio in Canada. In 2004, he left BHP for two years to become General Manager Commercial for Iluka Resources

Mr Kerr holds a Business degree from Edith Cowan University and studied at Deakin University to become a Certified Practicing Accountant.

Katie Tovich BCom, CA, GAICD, 50

Chief Financial Officer

Katie TovichKatie Tovich became our Chief Financial Officer in May 2019, having been our Vice President Corporate Affairs and Investor Relations, as well as our Head of Treasury. She’s responsible for Financial Reporting, Management Reporting, Treasury, Business Evaluation, Tax, Investor Relations, Group Assurance, and Corporate Affairs including Community.

Katie brings more than 25 years of global experience in the resources sector. Before joining us, she held senior finance and marketing roles at BHP in Australia and Asia, including Vice President Corporate Finance, Head of Finance Worsley Alumina and Vice President Finance Marketing – Carbon Steel Materials. Earlier in her career, she held finance and marketing leadership positions at WMC Resources Limited in Australia and North America.

Katie holds a Bachelor of Commerce from the University of Tasmania and is a member of Chartered Accountants Australia and New Zealand.

Simon Collins BE (Mining), MBA, 47

Chief Development Officer

simonSimon Collins has been our Chief Development Officer since October 2018. He is responsible for Greenfields Exploration, Industry and Project Evaluation, Acquisitions and Divestments, Integration and Separation, Brazil Alumina and the Hermosa project. He also represents South32 on the Board of Directors of Ambler Metals LLC.

Simon brings over 25 years’ experience in the resources industry in senior leadership and business development roles. Before joining South32, he worked for BHP for more than a decade, providing leadership to the business development teams in Belgium, the United Kingdom, Singapore and Australia. He began his career in mine operations in Australia and South Africa.

Simon holds a Master of Business Administration from London Business School and a Bachelor of Engineering (Mining) from the University of New South Wales.

Nicole Duncan BA (Hons), LLB, MAICD, FGIA, FCIS, 48

Chief People and Legal Officer, Company Secretary

nicoleduncanNicole Duncan became our Chief People Officer in July 2017, having been our Chief Legal Officer and Company Secretary. She’s responsible for our Human Resources functions, as well as our Company Secretariat, Legal and Business Integrity teams.

Before joining us, Nicole was Vice President, Company Secretariat for BHP. She was also Vice President Supply, Group Information Management from 2011 to 2013. During her legal career, she’s worked in various BHP roles in Australia, the United States and the Netherlands.

Nicole graduated from the Australian National University with a Bachelor of Laws and a Bachelor of History (Hons).

Mike Fraser BCom, MBL, 55

Chief Operating Officer

mikefraserMike Fraser became our Chief Operating Officer in April 2018, having been our President and Chief Operating Officer for the Africa region from January 2015. He’s responsible for the Group’s aluminium and manganese operations in Africa and the Cerro Matoso operation in Colombia. He’s also responsible for South Africa Energy Coal.

Before joining us, Mike was President, Human Resources with BHP. Before this, he was Asset President of Mozal Aluminium in Mozambique. He’s also worked in various roles in BHP’s coal, manganese and aluminium businesses. During his career, Mike held leadership roles in a large internationally diversified industrial business, and has worked in the United Kingdom, South Africa, Mozambique and Australia.

Mike holds a Master of Business Leadership and a Bachelor of Commerce from the University of South Africa.

Jason Economidis MBA (Executive), 51

Chief Operating Officer



In July 2020, Jason Economidis became our Chief Operating Officer with accountability for our Australia Manganese, Cannington, Illawarra Metallurgical Coal and Worsley Alumina operations. Prior to this, Jason was our Vice President Operations at Illawarra Metallurgical Coal. 

Jason is an experienced mining executive having worked in the sector in Australia for more than 25 years. He joined South32 from Orica, where he held the position of Vice President Coal. His responsibility at Orica covered 25 mining operations across Queensland and New South Wales. Jason has held other senior positions in the industry such as General Manager of two large Australian coal operations with Peabody, with Vale Coal Australia as Chief Operating Officer, and with BHP as General Manager of Goonyella-Riverside, Caval Ridge and Vice President Health, Safety, Environment and Community for BHP.

Jason holds a Master of Business Administration (Executive) from the Australian Graduate School of Management.

Brendan Harris BSc, CPA, 48

Chief Commercial Officer

Graham KerrBrendan Harris became our Chief Commercial Officer in January 2020 and is responsible for our Commodity Marketing and Supply functions.

Previously, he was our inaugural Chief Financial Officer, looking after Financial Reporting, Management Reporting, Treasury, Business Evaluation, Tax, Corporate Affairs, Investor Relations, Risk and Assurance, and Brazil Alumina – and played a key role in our establishment, Demerger and listing.

Before joining us, Brendan was Head of Investor Relations at BHP, based in the United Kingdom and then Australia, having been Vice President Investor Relations Australasia. During his career, he also held roles in investment banking, including Executive Director Metals and Mining Research at Macquarie Equities.

Brendan holds a Bachelor of Science in Geology and Geophysics from Flinders University.

Rowena Smith BCom, 53

Chief Sustainability Officer

rowenaRowena Smith became our Chief Sustainability Officer in August 2017, having been our Vice President Supply in the Australia region. She’s responsible for Health, Safety, Environment, Sustainability, Risk and Assurance.

Before joining us, Rowena worked with BHP Nickel West as Head of Resource Planning and Development. In her 14 years with BHP, she also held senior roles in marketing and operations, including General Manager, Kwinana Nickel Refinery. Before this, she worked in operational leadership roles within Rio Tinto’s aluminium smelting business.

Rowena holds a Bachelor of Commerce from the University of Western Australia.

Vanessa Torres BSc (Chemical), MEng, DEng, 50

Chief Technical Officer

vanessaVanessa Torres became our Chief Technical Officer in July 2020. She is responsible for innovation and technology, projects (including Eagle Downs), technical stewardship and global business services.

Vanessa joined South32 in August 2018 as Chief Technology Officer. Before this, she was Vice President Operational Infrastructure for BHP Western Australia Iron Ore. She has over 28 years of global mining experience across Australia, Canada, Brazil, Peru and New Caledonia, and has held various senior roles at BHP and Vale in strategy, projects, business development, and operations.

Vanessa holds Doctorate and Master degrees in Minerals Engineering from the University of Sao Paulo, and a Bachelor of Science from the Federal University of Minas Gerais, Brazil. She was also a Visiting Scholar at the University of British Columbia, Canada, where her research focused on the application of Artificial Intelligence to the mining industry.