B.Com and MBA, University of South Africa

Appointed to the Board: 1 January 2024, Executive Director

Mike joined Gold Fields as CEO on 1 January 2024, based at the Corporate Office in Johannesburg. Following an early career in industrial services Mike joined the mining sector in 2001 in BHP’s human resources department. He rose through the ranks at BHP to head the Mozal Aluminium Smelter project in Mozambique in 2009 and thereafter was appointed the group’s President Human Resources, based in Melbourne.

When BHP created South32 in 2015, Mike became President and Chief Operating Officer of its global aluminium, nickel and South African manganese and energy coal businesses. In 2022, he was appointed CEO of Chaarat Gold, an AIM-listed junior gold miner, a position he held until his appointment to Gold Fields.

CA(SA), Bachelor Business Science, PGDA, University of Cape Town

Mr Dall joined Gold Fields in 2014, focusing on SOX and technical accounting work in the Finance Department. After gaining wider experience, he was promoted to VP Corporate Finance in 2022, responsible for the funding requirements of the Group. Prior to Gold Fields, Mr Dall worked at KPMG, where he completed his articles in the energy and natural resources department.

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

Martin is Chief Operating Officer at Gold Fields. During 2023 he was the Interim CEO of the Group, taking over when the previous CEO Chris Griffith resigned in December 2022. 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 38 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.

Executive Vice-President: Group Head of Legal & Compliance

LLB (Hons), University of Bristol, United Kingdom; GAICD

Ms Carter is a dual-qualified lawyer with over 20 years’ experience in both the UK and Australia, with an extensive background across the gold and nickel sectors. With complimentary experience in commercial and corporate affairs management in the mining sector, she is also currently Chair of the Gold Industry Group, an industry association that seeks to promote the Australian gold sector, having been a director since 2016.

In her twelve years with Gold Fields, Ms Carter has held the roles of Vice President: Legal and Compliance, and Vice President: Legal & Corporate Affairs as part of the Australian regional executive team. As Gold Fields’ Executive Vice President and Group Head of Legal and Compliance, she leads a global legal team responsible for all legal and governance matters across the group.

Executive Vice President: South Africa

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 Executive Vice President for the Gold Fields South Africa on 1 June 2023 after serving as acting EVP since 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: Chile and Peru

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.

Executive Vice President: Sustainable Development

B.Eng (Chem), University of Stellenbosch; MDP, Gordon Institute of Business Science

Ms Steyn was appointed to the position of Executive Vice President: Sustainable Development on 1 June 2024. She joined us from South32, where she was Vice President of Health and Safety Culture and also led the Group Risk & Assurance and Group Supply functions. In a career spanning 28 years, Ms Steyn has held various operating and functional leadership positions at AngloGold Ashanti, Samancor Chrome, BHP, and most recently, South32. Geographically she has worked in Australia, Southern Africa and the Americas.

Executive Vice-President: Investor Relations and Corporate Affairs

B Bus Sci (Hons Finance) - Accounting, Economics, Finance from the University of Cape Town

Ms Magagula joined Gold Fields on 1 September 2023 from African Rainbow Minerals (ARM), where she was the Executive Director: Investor Relations and New Business Development. Jongisa started at ARM in 2009, as the Head of Investor Relations. Her role expanded over the years as she took on additional responsibilities, including business development. She was appointed to the ARM Board in December 2019. Prior to ARM, Ms Magagula worked in the mining division at Absa Capital.

Executive Vice-President: Strategy, Planning and Corporate Development (Acting)

BEng (Mining Engineering), Western Australian School of Mines; Master of Science – Mineral Economics, Curtin University; Master of Business Administration, Curtin University

Mr Ricciardone was appointed Acting Executive Vice-President: Strategy, Planning and Corporate Development, effective April 1, 2023. he previously held the role of Vice President – Strategic Planning and has been part of the Gold Fields Corporate Development team for eight years. During his time with Gold Fields he has been extensively involved with contribution to strategy development, acquisitions, and portfolio management.

Mr Ricciardone has 22 years of mining experience in technical and operational roles in gold, nickel and iron ore projects, including five years of expatriate experience in Ghana and Papua New Guinea.

Group Chief Technical Officer

BEng (Electrical and Electronic Engineering), University of Johannesburg; BSc (Information Technology), University of Johannesburg

Mr Swanepoel has 30 years' experience in mining and processing, obtained at Gold Fields' operations in South Africa, Australia, Ghana, Peru and Chile in a range of operational, project and regional consulting roles.

During the past seven years, Mr Swanepoel was integrally involved in the conceptualisation and development of the Salares Norte project in Chile. As Study Manager he was responsible for delivering all technical studies and engineering required for the project and later as the Head of the Technical and Improvement Area, for providing strategic direction, technical oversight, and operational support to the Salares Norte team. As Gold Fields' 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, People and Organisational Effectiveness (Acting)

Gerrit Lotz is an accomplished Vice President of People and Organisational Effectiveness with over three decades of experience in spearheading transformative initiatives within the mining and metals industry. His expertise extends across a wide range of domains, including HR consulting, change management, coaching, compensation, labour relations, and organisational effectiveness. Gerrit is highly versatile, having successfully led both business improvement and strategic functions, demonstrating his exceptional adaptability and leadership acumen.

His academic accolades include a Master's Degree in Performance, Leadership, and Change, awarded with honours, from the University of Johannesburg. Notably, he was nominated by the university to present his master's research titled "Values and Behaviours Supported by the Lean Production Philosophy" at the esteemed 31st Pan-Pacific Conference in Sakai City, Osaka, Japan.

Gerrit's professional journey is characterised by a deep-rooted passion for driving continuous improvement and learning, particularly through effective leadership. His career has seen him direct HR and business improvement initiatives across diverse mining operations, corporate environments, and varied legal jurisdictions. As the acting Executive Vice President of People and Organisational, Gerrit brings a wealth of experience and an unwavering commitment to excellence, making him a key asset to our team.

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.