Our executive committee

Darryll John Castle

Darryll Castle (48)

Chief executive officer

Qualifications: BSc (civil), BCom, MBA, CFA

Appointed: January 2015

  • Relevant skills and expertise:

    • Corporate management (mining and engineering), fund management, financial analysis and private equity
    • Extensive experience in the mining industry and first-hand knowledge of various countries in Africa and emerging markets

Tryphosa Ramano

Tryphosa Ramano (45)

Chief financial officer

Qualifications: CA(SA)

Appointed: August 2011

  • Relevant skills and expertise:

    • Financial and strategic planning, corporate governance reform, industry analysis, corporate restructuring, profit improvement, policies and procedures

    Other directorships of listed entities:
    South African Airways (vice chair)

Neil Caldwell

Neil CaldwelL (51)

Executive: commercial

Qualifications: BSc (mechanical), MBA (University of Cape Town), BProc (University of South Africa)

Appointed to exco: February 2016

  • Relevant skills and expertise:

    • Strategic leadership in manufacturing and mining industries

Johannes Theodorus Claassen

Johannes Theodorus Claassen (58)

Managing director: PPC Cement RSA

Qualifications: BEng (University of Stellenbosch), EDP (Wits Business School)

Appointed to exco: January 2013

  • Relevant skills and expertise:

    • Over 20 years’ experience in all facets of the cement industry, including lime
    • Operational management and strategic leadership

Everhardus Johannes (Hardie) de Beer

Everhardus Johannes (Hardie) de Beer (52)

Executive: technical

Qualifications: BEng (mechanical), MBL (University of South Africa)

Appointed to exco: March 2016

  • Relevant skills and expertise:

    • Engineering and technical expertise in cement industry
    • Operational and project management in South Africa and the rest of Africa

Njombo Lekula

Njombo Lekula (49)

Managing director: PPC International

Qualifications: National diploma chemical engineering (Vaal University of Technology), MBA (University of Stellenbosch)

Appointed to exco: November 2015

  • Relevant skills and expertise:

    • Engineering and technical expertise
    • Operations management and strategic leadership in the rest of Africa

Azola Cubekile Lowan

Azola Cubekile Lowan (36)

Executive: strategy and communications

Qualifications: MBusSci (University of Cape Town), CFA

Appointed to exco: August 2013

  • Relevant skills and expertise:

    • Investment management and financial analytics
    • Economic strategy
    • Strategic leadership
    • Retired from exco June 2017

    Other directorships of listed entitles:

    • Nampak Limited (chairman)
    • Sacoil Holdings
    • Accelerate Property Fund
    • Discovery Limited

Kgomotso Molefe

Kgomotso Molefe (45)

Chief information officer

Qualifications: BSc computer science (Hons) (University of the Witwatersrand)

Appointed to exco: January 2014

  • Relevant skills and expertise:

    • Management consulting, enterprise architecture and strategy consulting
    • Software development lifecycle management
    • Service design and optimisation

Ndivhu Nepfumbada

Ndivhu Nepfumbada (46)

Group human resources executive

Qualifications: BSocSc psychology and sociology (University of Natal), postgraduate diploma human resources (University of the Witwatersrand)

Appointed to exco: February 2016

  • Relevant skills and expertise:

    • Over 20 years’ experience in strategic human resources and management consulting
    • 15 years in executive HR leadership and organisational transformation

Rob Rein

Rob Rein (41)

Executive: sales and marketing

Qualifications: BCom accounting (University of Pretoria)

Appointed to exco February 2015

  • Relevant skills and expertise:

    • Extensive experience in sales and marketing
    • Strategic leadership and entrepreneurship

Jacobus Hendrik De La Rey Snyman

Jacobus Hendrik De La Rey Snyman (50)

Executive: risk, compliance and legal, PPC group company secretary

Qualifications: BA, LLB, LLM (University of Johannesburg), MBA (University of the North West)

Appointed to exco: January 2008

  • Relevant skills and expertise:

    • Corporate law experience as a practicing attorney
    • Company secretarial practice and corporate governance
    • Risk management
    • Compliance management