Senior Management

Kobus Verster - Chief Executive Officer

BCom degree, University of Potchefstroom, BCom Economics (Hons.) University of Pretoria, MBL University of South Africa (Unisa) Executive Management Programme, University of Virginia, USA.

Kobus has more than 20 years’ experience in the steel industry. He started his career at Iscor South Africa. He was chief financial officer and executive director of ArcelorMittal South Africa from February 2006 to August 2010. 
He played a broader strategic role within the company during that period. Prior to his appointment as chief financial officer, he was General Manager corporate treasury at Mittal Steel in Rotterdam and held various senior roles in financial management and treasury in Iscor. Then Kobus served on the board of Aveng Limited as chief executive officer from 11 February 2014 until 26 September 2017.


Suretha van Wyk – Acting Chief Financial Officer

Suretha is a Chartered Accountant (SA) and has 32 years of relevant experience and has been employed by ArcelorMittal South Africa for a combined period of 12 years in an auditing and statutory reporting capacity.


Gaurav Nagpal - Chief Marketing Officer

Bachelor of Engineering in metallurgy from the National Institute of Technology, Jaipur, India

MBA in marketing, finance, strategy and economics, from the Indian Institute of Management, Calcutta, India.

Gaurav joined the ArcelorMittal Group in 2005 under the Business Leaders Programme and his first assignment was in the Sales and Marketing team in South Africa. His next role from 2006 was to support the newly formed Shared Services segment in the larger group to enable a fast tracked realization of the synergies from the merger between Arcelor and Mittal across transversal functions of global purchasing, IT, legal, BPOs, shipping and logistics. In 2009, Gaurav was appointed chief financial officer of ArcelorMittal Shipping, in charge of finance and strategy for ArcelorMittal Shipping and its logistics companies. He returned to ArcelorMittal South Africa in 2017 to take on the role of Group Manager, marketing, strategy and pricing.

Gaurav Nagpal

Freddie Swart - Chief Procurement Officer

Freddie holds a degree in Commerce and participated in various post graduate programmes in management development and continuous improvement.

Freddie’s career spans more than 30 years, of which 20 years has been in a senior management capacity in supply chain and procurement including strategy and governance. Most recently, he has fulfilled the role of chief executive officer for the Vesco Group. 


Vasco de Sousa - Chief Information Officer

Vasco holds a qualification in Electrical Engineering, an MBA from the University of Witwatersrand as well as certifications in project management and IM specialisations.

Vasco has held various roles in the Information Management function at ArcelorMittal South Africa team and previously managed the IM portfolio for Gauteng Operations as well as MES Centre of Excellence. 


Jake Olivier - Chief Operating Officer

Jake holds a B. Mechanical degree and a Master’s in Business Administration from North West University

Jake Olivier’s has over 22 years’ experience within the manufacturing industry, has held various executive positions and served on various management committees and boards as chairman and director, including various positions at ArcelorMittal South Africa in operations, procurement and logistics.


Tami Didiza - Group Manager, Stakeholder Management and Communications

Tamsanqa (Tami) Sydney Didiza is currently Group Manager for Stakeholder Management and Communication at ArcelorMittal South Africa based at its head office in Vanderbijlpark. He held the post of General Manager responsible for Communication at ArcelorMittal South Africa from 2005 to 2009 at a time when this company was Ispat- Iscor then migrated to Mittal Steel South Africa and subsequently ArcelorMittal South Arica. Tami re-joined the company on the 15 July 2019.Tami has been responsible for the stakeholder management portfolio ever since.

Before joining ArcelorMittal South Africa, Tami served as an assistant General Manager at Transnet from 1997 to 2005 responsible for all its communication function and served as a spokesperson for this company. Whilst at ArcelorMittal South Africa he was instrumental for the whole rebranding of the ArcelorMittal South Africa when the Mittal’s bought over Arcelor, a daunting task that was accomplished with ease. Both at Transnet and ArcelorMittal South Africa he was instrumental in crafting its stakeholder relations and communications strategies and overseeing the implementation thereof. He was also responsible for engaging both the communities and government thereby establishing good relations with these stakeholders.

From 1994 to 1997 he also served as a project manager at the South African Communication Service, a communications arm of the South African government. Whilst at the South African Communication Service he was seconded as a spokesperson to the then minister of housing. He also worked as a sales representative at Metropolitan.

Gaurav Nagpal

Sedick Achmat - Chief Human Resources Officer

BEng Mechanical University of Cape Town (UCT), MBA UCT

Sedick joined ArcelorMittal, Saldanha Works on 1 December 2007. He gained experience in numerous positions since 2007 in engineering, human resources and operations including the positions of Manager Human Resources and Plant Manager Rolling at Saldanha Works.


Mohamed Adam - General Counsel and CoSEC


BA Law (University of Durban Westville), LLB (University of the Witwatersrand), LLM in International Trade Law (University of Essex - UK)

Joined ArcelorMittal South Africa in February 2015. Previously held various professional and management positions in Eskom.


Gavin Griffiths - Chief Strategy Officer

Gavin is a chartered accountant and holds the following qualifications BComm (Acc), B Acc, M Comm (cum laude), CA (SA).

Gavin has over 20 years’ experience in various specialist, management and executive positions covering numerous financial disciplines including auditing, technical, controlling, deal advisory, business optimization and transformation, and strategy.

Gavin Griffiths

Adinda Louw - Senior Manager, Global Assurance

BCom Accounting (Potchefstroom University), MAP (University of the Witwatersrand) EDP (Kellogg), MBA (North West University).

Joined ArcelorMittal South Africa in August 1993. She has held a number of managerial positions before being appointed as Group Manager, Internal Assurance, in 2008. Completed her articles at KPMG.


Werner Venter - Executive Manager, Flat Rolling

Werner joined the company in 1987 as a Bursary holder and then Engineer in training at Vanderbijlpark Works. He has held various engineer and senior engineer positions within Vanderbijlpark Works. Since 2000 Werner held several managerial positions in the Hot Rolling area. On 1 January 2011 he was appointed as Works Manager Hot Rolling.


Jacques Kotze - Executive Manager, Long Rolling

Jacques holds an engineering degree in Metallurgy as well as an MBA from Henley University.

Jacques has an extensive background with 20 years in the metals industry and has held various senior management roles with Columbus Stainless Steel in the technical, downstream as well as upstream areas of the business. He is currently upstream works manager at Newcastle and has been acting in the role of General Manager since June 2019. 


Paul Fouche - Senior Manager, Thabazimbi


Cobus Muller - Senior Manager, Technology

B. Eng (Electrical), Government Certificate of Competency

Joined ArcelorMittal South Africa, formally known as Iscor in 1984 as an Engineering bursar. During his career he held several positions at Vereeniging Works, Tubular products and Vanderbijlpark Works including Maintenance Manager Vaal Meltshop, Plant Manager Vaal Rolling Mills, General Manager Tubular Products and Works Manager Hot Rolling. He was appointed as Group Manager Tubular Products on 1 September 2014.

Cobus Muller will assume responsibility for managing the Highveld Operations in preparation for the complete acquisition of that business. Cobus moves from his role as head of Gauteng operations including Vereeniging units as well as the Small Section Mill.


Dieter Sauer - Senior Manager, Health, Safety and Environmental

Industrial Psychology degree (masters) University of North West, Management Diploma (Wits), Registered with the Health Professional Council of South Africa, (HPCSA), Qualified Electrical Artisan (Red Seal).    

Dieter Sauer is an industrial Psychologist with more than 33 years working experience, including expertise in health, hygiene, wellness, safety, risk management, environmental management and HR. He spent the last 16 years in various general management positions at ArcelorMittal South Africa. His previous positions include SHERQ Manager Vanderbijlpark works, HR Manager Vanderbijlpark Works and Gauteng HR Manager. Technical Supreintendent, Planner electrical and mechanical at Rolling Vanderbijlpark Works.      


Chris van Dijk - Senior Manager: Iron Making & Materials Handling AMSA

Chris started his career in 1986 as an operator at Cold Rolling. He was appointed as manager at the Coke plant in 1994. He has held various management positions in Iron Making before becoming plant manager at Cold Rolling. He became part of the Vanderbijlpark management team in 2009 and was promoted to works Manage for Central Maintenance Services in 2011. In 2015 he became works manager for Engineering and Services and was then appointed at Iron making as works manager in 2019. In July 2020 he was appointed as senior manager for Iron Making & Materials Handling AMSA and became part of the current EXCO team. He has over 35 years of service with ArcelorMittal South Africa.

Chris van Dijk