B Tech in Mining, Witwatersrand Technicon, South Africa; Executive Development Programme, Gordon Institute of Business Science (GIBS); Accelerated Development Programme, London Business School.

Appointed to the Board: 2023, Executive Director

Martin is currently the Interim Chief Executive Officer of the Gold Fields Group, a position he has held since 1 January 2023. He joined Gold Fields as Executive Vice President: South Africa in May 2017, leading the successful ramp up of the South Deep mine since then. Prior to joining Gold Fields, he was Chief Operating Officer at De Beers South Africa. Martin has 37 years of mining experience, starting his career as a learner miner and holding a number of operational and technical roles before taking up mine manager positions at various operations across De Beers. After moving to Group level at De Beers, he held positions as mine strategist and business development manager before being appointed Chief Operating Officer in 2011.

BCom, University of the Witwatersrand; BCompt (Hons), University of South Africa; CA(SA)

Appointed to the Board: 2009
Experience and expertise: Finance, mining, management

Prior to his appointment as CFO of Gold Fields, Mr Schmidt held the positions of acting CFO from May 2008 and Financial Controller from April 2003. He has more than 22 years' experience in the mining industry.

Executive Vice President: People and Organisational Effectiveness

BComm (Honours), University of KwaZulu-Natal, Advanced Labour Relations and Strategic Management Diploma, University of Pretoria.

Ms Bardien joined Gold Fields as Executive Vice President, People and Organisational Effectiveness on 1 February 2018. She has over 20 years' global experience as a senior human resources professional, both in the public and private sectors. Most recently Rosh was GM: Human Resources and Transformation at ArcelorMittal South Africa and prior to that held senior and executive HR positons at London Mining Plc, Kraft International, First National Bank, Riversdale Mining Ltd, Mvelaphanda Resources and the South African National Department of Labour.

Executive Vice President: Sustainable Development

BE (Electronic), University of Limerick

Mr. Chohan was appointed to the position of Senior Vice President: Sustainable Development on September 13, 2010. Mr. Chohan was previously self-employed as a consultant to various companies and, prior to that, spent 25 years at De Beers. When he left De Beers in 2009, he was acting as Group Consultant, Sustainability and ECOHS (Environment, Community, Occupational Health and Hygiene and Safety).

Group Chief Technical Officer (Acting)

BA. Engineering (Chemical), Curtin University of Technology, Western Australia; FAusIMM (CP)

Mr Hillier has 30 years’ experience in gold mining and processing, obtained globally in companies that include AngloGold, Kalgoorlie Consolidated Gold Mines (Barrick/Newmont JV), and then Barrick Gold (Toronto). This experience includes 15 years working in various operational roles, and 15 years in regional and corporate based roles.

For the past seven years at Gold Fields, Mr. Hillier has filled the roles of Vice President & Group Head of Metallurgy, and Vice President & Group Head of Capital & Projects. As Gold Fields’ Acting Group Chief Technical Officer he is discipline head of the key mining technical functions (including geology, mining, and metallurgy) across all operations.

Executive Vice President: Group Head of Legal and Compliance

BCom & LLB, University of Johannesburg, Advanced Corporate Law, University of Witwatersrand

Ms. Leishman was appointed Executive Vice-President: Group General Counsel on May 1, 2014. Ms. Leishman was appointed as Assistant General Counsel and Company Secretary on August 1, 2013, and resigned from the position of Company Secretary on September 15, 2014. She previously served as Assistant General Counsel and Vice President, Group Legal. Before joining Gold Fields, Ms. Leishman worked at Linklaters LLP in London for a number of years having completed her articles at Hofmeyr Herbstein Gihwala (now Cliffe Dekker Hofmeyr). She was admitted as an attorney to the High Court of South Africa in 2000.

Executive Vice President: Australasia Region

Master of Science (Geology) from University of Canterbury, New Zealand

Stuart Mathews is an international mining professional with 25 years' experience having worked in Australia (Queensland, NSW, WA), Mexico and New Zealand. He has progressed through geology ranks to Geology Manager level and in the last 12 years worked in project development and general operations management to COO level. Stuart joined Gold Fields in mid-2013 initially at St. Ives, as then General Manager at Granny Smith Mine after which he became Vice President Operations: Australia. From February 1, 2017 Stuart took over the position of Executive Vice President: Australasia.

Executive Vice President: Strategy, Planning and Corporate Development

BComm (Hons) Law, BAcc, University of Stellenbosch; Masters in Law, Higher Tax Diploma, University of Johannesburg; Exec. MBA (PLD), Harvard Business School

Mr. Mattison was appointed Executive Vice-President: Strategy, Planning and Corporate Development effective May 1, 2013. He began his career with Gold Fields in 2001 as part of the Global Legal team providing commercial, legal and tax structuring advice in relation to various global transactions. He subsequently joined the Corporate Development team in 2005 where he worked for six years in South Africa, Peru and Australia until 2010. In late 2010, Mr. Mattison was appointed as the Country Manager of the Philippines tasked with the mandate of setting up Gold Fields' activities in the Philippines. Most recently, he has been in the role of Vice President of Special Projects tasked with setting out the groundwork for the Gold Fields strategy sessions.

Executive Vice President: South African Region (Acting)

BSc (Hons) Geology, University of Cape Town; Graduate Diploma Engineering, Wits University; MBA Wits University; Sustainable Business Strategy, Harvard University.

Mr Mokoatle is a geologist with over 27 years' experience in the mining industry. He joined Gold Fields in October 2017 as General Manager for South Deep and became acting Executive Vice President for the South African region on 1 July 2022.

Prior to joining Gold Fields, Mr Mokoatle spent seven years with AngloGold Ashanti and 15 years with De Beers, where he was the Head of MRM and Technical Services before taking on the role as a General Manager for the Voorspoed and Venetia mines.

He is a trustee for the South Deep Education Trust, South Deep Community Trust and the South Deep Joint Venture Rehabilitation Trust.

Executive Vice President: Head of West Africa Region

MSc Mining Engineering, University of Mines and Technology; BSc (Hons) Mechanical Engineering, Kwame Nkrumah University of Science and Technology; MBA, Henley Management College, UK.

Mr Mortoti is a mechanical and mining engineer with over 25 years' experience in the mining industry. His areas of expertise include managing mine operations, engineering, strategic planning and business development. He joined Gold Fields in April 2021 as Vice President Operations for the Ghanaian operations and became acting EVP for the region on 1 January 2022. Prior to joining Gold Fields, Mr Mortoti spent 15 years with Newmont in various managerial roles, including General Manager of the Akyem mine. Prior to moving to Newmont, he was the Business Development Manager for AngloGold Ashanti's West Africa operations. Mr Mortoti also served on the technical committees of Ghana's Public Utilities Regulatory Commission and the Energy Commission and was involved in developing Ghana's power regulatory framework.

Executive Vice President: Investor Relations and Corporate Affairs

BBusSc Finance and Economics, University of KwaZulu-Natal

Mr. Nagaser joined Gold Fields as Executive Vice President: Investor Relations and Corporate Affairs in January 2015. Before joining Gold Fields, he was with Merrill Lynch from 2012 to 2014 and Macquarie from 2007 to 2012, where he held the position of gold and platinum equity research analyst.

Executive Vice President: Americas Region

Bachelor Degree in Geology, the Title of Geological Engineer, both by the Universidad de San Marcos and MBA studies at the Universidad Politecnica de Madrid, Spain

Mr. Rivera joined Gold Fields in October 2016. Prior to joining Gold Fields, Mr. Rivera was, since 2014, the Vice-President of Operations for Las Bambas and before that, since 2013, was the General Manager of Copper Operations for Glencore Peru and, since 2012, Executive General Manager for all Xstrata Copper Operations in Peru. His career also includes 5 years as General Manager of the large Copper Tintaya and Antapaccay operations, as well as 11 year experience in the Xstrata Copper Operations of Minera Alumbrera, a large gold – copper operation in North Argentina, where he became Tech Services Manager after servicing as Chief Engineer and Senior Geologist. Mr. Rivera has over 28 years' experience in the copper and gold mining industry, in large open pit copper project and operations in Peru and Argentina, including his direct involvement and leadership in the merge & acquisition of Falconbridge Inc. and BHP Tintaya S.A. by Xstrata Copper as well as the sale of Las Bambas Project by Glencore.

Company Secretary

BJuris and Bachelor of Laws (LLB) ,University of the North West

Ms Weststrate was appointed Company Secretary on June 1, 2020. Ms Weststrate is an admitted Advocate to the High Court of SA, has over 15 years of years' experience as a Company Secretary with a strong legal background. Ms Weststrate has applied these skills and knowledge in both the private and public sector.