Lucara Diamond Executive and Leadership Team

May, 2026

Leadership Overview

Lucara Diamond has 4 executives leading key functions including strategy, finance, risk management, and revenue generation.

Driven by operational excellence, Lucara Diamond focuses on extracting high-quality diamonds through advanced mining techniques, contributing significantly to the global gem market and maintaining a strong presence in Africa.

Leadership Roles at Lucara Diamond

  • President & Chief Executive Officer - William Lamb
  • Chief Financial Officer - Susan Neale
  • Chief Risk Officer & Chief Revenue Officer - Nasoma Lionjanga
  • Chief Finance Officer - Nametsegang Poloko-Nthake
  • William Lamb - President & Chief Executive Officer

    William Lamb, the President & Chief Executive Officer at Lucara Diamond, directs the company's overall strategy and operational execution. Overseeing all facets of the diamond exploration and mining business, Lamb ensures the efficient operation of the Karowe mine in Botswana, a site renowned for producing exceptional diamonds. This leadership role involves guiding the extraction and processing of high-quality diamonds, aligning mining expertise with technological innovation to meet both business and consumer market demands. Lamb's strategic vision drives the company's expansion and market positioning within the global diamond industry. By focusing on sustainable mining practices and maximizing resource value, William Lamb ensures Lucara Diamond maintains its competitive edge and delivers consistent results.
    William Lamb

    Susan Neale - Chief Financial Officer

    Susan Neale, the Chief Financial Officer at Lucara Diamond, manages the company's financial health and strategic fiscal planning. Neale oversees all financial operations, including budgeting, forecasting, and financial reporting, ensuring compliance with regulatory standards across its Canadian headquarters and African operations. This role is critical in supporting the company's diamond mining activities by securing necessary capital and managing financial risks associated with exploration and extraction. Neale's expertise is vital for maintaining investor confidence and facilitating the company's growth objectives. By optimizing financial strategies, Susan Neale directly contributes to the profitability and long-term sustainability of Lucara Diamond's mining ventures.

    Nasoma Lionjanga - Chief Risk Officer & Chief Revenue Officer

    Nasoma Lionjanga, the Chief Risk Officer & Chief Revenue Officer at Lucara Diamond, spearheads the dual functions of risk mitigation and revenue enhancement. Lionjanga identifies and assesses potential risks across the company's diamond mining operations in Botswana and Canada, developing strategies to safeguard assets and ensure operational continuity. Concurrently, this executive drives revenue generation initiatives, optimizing sales channels and market strategies for the exceptional diamonds produced at the Karowe mine. Lionjanga's comprehensive oversight ensures that Lucara Diamond not only minimizes exposure to financial and operational hazards but also maximizes the commercial value derived from its high-quality diamond output. Nasoma Lionjanga's integrated approach supports robust financial performance and strategic market penetration.

    Nametsegang Poloko-Nthake - Chief Finance Officer

    Nametsegang Poloko-Nthake, the Chief Finance Officer at Lucara Diamond, directs the financial management and accounting functions critical to the company's mining operations. Poloko-Nthake ensures the accuracy of financial records and oversees the implementation of robust financial controls, supporting the Karowe mine's production and the company's broader business objectives. This position is essential for managing the financial aspects of diamond extraction and processing, ensuring fiscal discipline across all operational sites. Poloko-Nthake's responsibilities include financial analysis, resource allocation, and contributing to strategic financial decision-making. By maintaining strong financial oversight, Nametsegang Poloko-Nthake supports Lucara Diamond's commitment to operational efficiency and sustainable growth in the competitive diamond market.

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    Frequently Asked Questions Regarding Lucara Diamond Top Executives and Leadership Team

    Who leads Lucara Diamond?
    Lucara Diamond is led by William Lamb (President & Chief Executive Officer), along with executives such as Susan Neale (Chief Financial Officer) and Nasoma Lionjanga (Chief Risk Officer & Chief Revenue Officer).
    Who is part of Lucara Diamond’s executive team?
    The executive team of Lucara Diamond includes leaders such as William Lamb (President & Chief Executive Officer), Susan Neale (Chief Financial Officer), Nasoma Lionjanga (Chief Risk Officer & Chief Revenue Officer) and other senior executives.
    How many executives does Lucara Diamond have?
    Lucara Diamond has 4 executives leading key business areas.
    What roles are included in Lucara Diamond’s leadership team?
    The leadership team of Lucara Diamond includes roles such as President & Chief Executive Officer, Chief Financial Officer, Chief Risk Officer & Chief Revenue Officer, Chief Finance Officer.