Zutari Executive and Leadership Team

May, 2026

Leadership Overview

Zutari has 8 executives leading key functions including strategy, operations, finance, people, and regional leadership.

Driven by a legacy of over 90 years, Zutari delivers innovative, digitally enabled infrastructure solutions across energy, water, transport, built environment, resources, and sustainability, partnering with clients to create lasting impact globally.

Leadership Roles at Zutari

  • Chief Executive Officer, Zutari, Pr Eng & Pmp - Tah Themba
  • Chief Executive Officer (Middle East) - Denver Dreyer
  • Chief Executive Officer - Africa - Tlhabeli Ralebitso
  • Chief Financial Officer - Joseph Ndala
  • Group Chief Financial Officer - Dhiren Chetty
  • Chief Operating Officer - Darrin Green
  • Chief of Staff - Sonja Van Rensburg
  • Chief People Officer - Monique Ngcobo
  • Tah Themba - Chief Executive Officer, Zutari, Pr Eng & Pmp

    Tah Themba, the Chief Executive Officer, Zutari, Pr Eng & Pmp, directs Zutari's overarching strategy and global operations. This leadership role involves guiding the company's expansion across Africa and the Middle East, ensuring alignment with its mission to deliver innovative, digitally enabled infrastructure solutions. Themba oversees the integration of services across the six key markets: energy, water, transport, built environment, resources, and sustainability. By fostering a culture of engineering excellence and project management rigor, Themba drives the company's commitment to maximizing client value and creating lasting impact throughout the infrastructure lifecycle. The Chief Executive Officer's focus remains on sustainable growth and enhancing Zutari's position as a leading advisory firm. Tah Themba ensures the company's extensive portfolio of over 100,000 projects in more than 55 countries continues to set industry benchmarks for innovation and delivery.

    Denver Dreyer - Chief Executive Officer (Middle East)

    Denver Dreyer, the Chief Executive Officer (Middle East), spearheads Zutari's strategic direction and operational execution within the Middle East region. This executive role focuses on expanding the company's footprint and delivering innovative, digitally enabled infrastructure solutions across key markets such as energy, water, transport, built environment, resources, and sustainability. Dreyer oversees regional business development, client relations, and project delivery, ensuring alignment with Zutari's global mission and its over 90 years of experience. The Chief Executive Officer (Middle East) is instrumental in fostering strong partnerships and driving growth by leveraging local market insights and Zutari's extensive project portfolio. Denver Dreyer ensures that regional operations contribute significantly to the company's overall objective of creating lasting impact and maximizing client value throughout the infrastructure lifecycle.
    Denver Dreyer

    Tlhabeli Ralebitso - Chief Executive Officer - Africa

    Tlhabeli Ralebitso, the Chief Executive Officer - Africa, leads Zutari's strategic initiatives and operational oversight across the African continent. This executive position focuses on driving growth and delivering innovative, digitally enabled infrastructure solutions tailored to the unique needs of African markets, including energy, water, transport, built environment, resources, and sustainability. Ralebitso manages regional business development, client engagement, and project execution, ensuring that Zutari's extensive experience and commitment to creating lasting impact are consistently applied. The Chief Executive Officer - Africa works to strengthen partnerships and expand the company's influence, leveraging local expertise to address complex infrastructure challenges. Tlhabeli Ralebitso is dedicated to enhancing Zutari's role as a key contributor to Africa's development, building on the firm's 90-year legacy.

    Joseph Ndala - Chief Financial Officer

    Joseph Ndala, the Chief Financial Officer, directs Zutari's financial strategy and management, ensuring fiscal health and sustainable growth. This leadership position involves overseeing all financial operations, including budgeting, forecasting, financial reporting, and investment strategies, across the company's extensive infrastructure projects in energy, water, transport, built environment, resources, and sustainability. Ndala is responsible for managing financial risks and opportunities, optimizing capital allocation, and ensuring compliance with financial regulations in Africa and the Middle East. The Chief Financial Officer plays a key role in supporting the company's mission to deliver innovative, digitally enabled solutions by providing robust financial insights and planning. Joseph Ndala collaborates with executive leadership to drive profitability and maximize shareholder value, reinforcing Zutari's over 90 years of experience in delivering impactful infrastructure.
    Joseph Ndala

    Dhiren Chetty - Group Chief Financial Officer

    Dhiren Chetty, the Group Chief Financial Officer, oversees the comprehensive financial strategy and performance of Zutari's global operations. This senior leadership role involves managing financial planning, analysis, reporting, and capital management across all business units and geographic regions, including Africa and the Middle East. Chetty ensures robust financial controls and compliance, supporting the company's mission to deliver innovative, digitally enabled infrastructure solutions in energy, water, transport, built environment, resources, and sustainability. The Group Chief Financial Officer plays a crucial part in driving financial discipline and optimizing profitability, thereby enhancing Zutari's capacity to undertake large-scale projects and create lasting impact. Dhiren Chetty collaborates with the executive team to guide strategic investments and ensure the long-term financial stability of the firm, building upon its 90-year history.

    Darrin Green - Chief Operating Officer

    Darrin Green, the Chief Operating Officer, manages Zutari's day-to-day operational execution and efficiency. This critical function involves optimizing resource allocation and streamlining processes across the company's diverse project portfolio, spanning energy, water, transport, built environment, resources, and sustainability. Green ensures that operational teams effectively deliver on client commitments, leveraging Zutari's 90 years of experience in Africa and the Middle East. The Chief Operating Officer's responsibilities include enhancing project delivery methodologies and driving the adoption of digitally enabled solutions to maximize value for clients. Darrin Green collaborates closely with regional leadership to ensure seamless operations and consistent service quality across all markets. This role is pivotal in translating strategic objectives into tangible project outcomes, reinforcing Zutari's reputation for impactful infrastructure development.

    Sonja Van Rensburg - Chief of Staff

    Sonja Van Rensburg, the Chief of Staff, provides strategic support and operational coordination for Zutari's executive leadership. This role involves managing key initiatives, facilitating cross-functional collaboration, and ensuring the efficient execution of the company's strategic priorities across its six core markets: energy, water, transport, built environment, resources, and sustainability. Van Rensburg works closely with the Chief Executive Officer and other C-suite executives to drive organizational effectiveness and enhance communication channels. The Chief of Staff's responsibilities extend to overseeing special projects and ensuring that Zutari's 90-year legacy of delivering innovative, digitally enabled solutions in Africa and the Middle East is consistently upheld. Sonja Van Rensburg plays a vital part in translating the company's vision into actionable plans, supporting the delivery of lasting impact for clients worldwide.

    Monique Ngcobo - Chief People Officer

    Monique Ngcobo, the Chief People Officer, directs Zutari's human capital strategy, focusing on talent acquisition, development, and employee engagement across the organization. This role is critical in fostering a high-performance culture that supports Zutari's mission of delivering innovative, digitally enabled infrastructure solutions in energy, water, transport, built environment, resources, and sustainability. Ngcobo oversees the implementation of people-centric policies and programs designed to attract, retain, and empower a diverse and skilled workforce, essential for the company's 90 years of experience in Africa and the Middle East. The Chief People Officer plays a vital part in ensuring that Zutari's teams are equipped to drive client value and create lasting impact. Monique Ngcobo champions initiatives that promote professional growth and well-being, reinforcing Zutari's commitment to its employees as its most valuable asset.

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    Frequently Asked Questions Regarding Zutari Top Executives and Leadership Team

    Who leads Zutari?
    Zutari is led by Tah Themba (Chief Executive Officer, Zutari, Pr Eng & Pmp), along with executives such as Denver Dreyer (Chief Executive Officer (Middle East)) and Tlhabeli Ralebitso (Chief Executive Officer - Africa).
    Who is part of Zutari’s executive team?
    The executive team of Zutari includes leaders such as Tah Themba (Chief Executive Officer, Zutari, Pr Eng & Pmp), Denver Dreyer (Chief Executive Officer (Middle East)), Tlhabeli Ralebitso (Chief Executive Officer - Africa) and other senior executives.
    How many executives does Zutari have?
    Zutari has 8 executives leading key business areas.
    What roles are included in Zutari’s leadership team?
    The leadership team of Zutari includes roles such as Chief Executive Officer, Zutari, Pr Eng & Pmp, Chief Executive Officer (Middle East), Chief Executive Officer - Africa, Chief Financial Officer, Group Chief Financial Officer.