UCT Executive and Leadership Team

May, 2026

Leadership Overview

UCT has 6 executives leading key functions including strategy, finance, technology, and business unit operations.

Driven by innovation, UCT provides critical subsystems and ultra-high purity cleaning services, shaping the future of the semiconductor industry through integrated outsourced solutions and advanced analytical capabilities.

Leadership Roles at UCT

  • Chief Executive Officer - James Xiao
  • Chief Financial Officer - Stephen Dirugeris
  • Group Chief Financial Officer - Eliezer Parnafes
  • President, Semiconductor Services Business - William Bentinck
  • President (South, East, Asia) - Zion Kehila
  • Chief Technology Officer & Manager, Process Engineering - Eran Ben Gigi
  • James Xiao - Chief Executive Officer

    James Xiao, the Chief Executive Officer at UCT, directs the company's overarching strategy and operational execution. Xiao guides the organization's mission to deliver critical subsystems and ultra-high purity cleaning services to the semiconductor industry. This leadership role involves fostering innovation in design-to-delivery cycle times and ensuring design for manufacturability across all product lines. James Xiao oversees the integration of outsourced solutions, enhancing prototyping and component manufacturing capabilities. The Chief Executive Officer's focus extends to driving market expansion and maintaining UCT's position as a key supplier. Xiao's strategic vision ensures the company's continued growth and technological advancement in a competitive global market.

    Stephen Dirugeris - Chief Financial Officer

    Stephen Dirugeris, the Chief Financial Officer at UCT, manages the company's financial health and strategic fiscal planning. Dirugeris oversees all financial operations, including budgeting, forecasting, and capital allocation, ensuring robust financial controls and compliance. This executive role involves optimizing financial performance to support UCT's growth objectives in the semiconductor services sector. Stephen Dirugeris works closely with other leaders to align financial strategies with business development initiatives, particularly in expanding ultra-high purity cleaning and analytical services. The Chief Financial Officer's responsibilities include managing investor relations and securing funding for new technological advancements. Dirugeris's financial acumen is critical for sustaining operational efficiency and driving profitability.

    Eliezer Parnafes - Group Chief Financial Officer

    Eliezer Parnafes, the Group Chief Financial Officer at UCT, directs financial strategy and oversight across the organization's global operations. Parnafes is responsible for financial reporting, risk management, and the implementation of sound financial policies that support UCT's mission in the semiconductor industry. This leadership position involves close collaboration with regional financial teams to ensure fiscal discipline and drive operational efficiencies. Eliezer Parnafes plays a key part in evaluating investment opportunities and managing the financial aspects of mergers and acquisitions. The Group Chief Financial Officer's expertise is vital for maintaining financial stability and enabling the company's expansion into new markets. Parnafes ensures that financial frameworks align with the company's commitment to providing critical subsystems and advanced cleaning services.

    William Bentinck - President, Semiconductor Services Business

    William Bentinck, the President, Semiconductor Services Business at UCT, leads the strategic direction and operational management of the company's semiconductor services division. Bentinck oversees the delivery of ultra-high purity cleaning and analytical services, ensuring customer satisfaction and market growth. This executive role involves developing and executing strategies to enhance UCT's integrated outsourced solutions for major subassemblies. William Bentinck works to optimize design-to-delivery cycle times and improve design for manufacturability for clients in the semiconductor industry. The President, Semiconductor Services Business's focus includes expanding the scope of tool chamber parts cleaning and coating services. Bentinck's leadership drives the division's profitability and its contribution to UCT's overall market presence.
    William Bentinck

    Zion Kehila - President (South, East, Asia)

    Zion Kehila, the President (South, East, Asia) at UCT, directs business operations and strategic expansion across key international markets. Kehila is responsible for driving revenue growth and market penetration in the southern, eastern, and Asian regions for UCT's critical subsystems and cleaning services. This leadership role involves managing regional teams, fostering client relationships, and adapting business strategies to local market demands. Zion Kehila oversees the implementation of UCT's integrated outsourced solutions, ensuring seamless delivery and support. The President (South, East, Asia)'s mandate includes identifying new business opportunities and strengthening UCT's presence in these vital economic zones. Kehila's regional expertise is instrumental in navigating diverse market landscapes and achieving corporate objectives.

    Eran Ben Gigi - Chief Technology Officer & Manager, Process Engineering

    Eran Ben Gigi, the Chief Technology Officer & Manager, Process Engineering at UCT, spearheads technological innovation and process development. Ben Gigi leads the engineering teams responsible for designing and optimizing critical subsystems and ultra-high purity cleaning processes for the semiconductor sector. This role involves driving research and development initiatives to enhance product performance and manufacturability. Eran Ben Gigi oversees the technical aspects of prototyping and component manufacturing, ensuring adherence to stringent industry standards. The Chief Technology Officer & Manager, Process Engineering's expertise is crucial for advancing UCT's analytical services and micro contamination solutions. Ben Gigi's technical leadership ensures the company remains at the forefront of technological advancements in semiconductor manufacturing support.
    Eran Ben Gigi

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    Frequently Asked Questions Regarding UCT Top Executives and Leadership Team

    Who leads UCT?
    UCT is led by James Xiao (Chief Executive Officer), along with executives such as Stephen Dirugeris (Chief Financial Officer) and Eliezer Parnafes (Group Chief Financial Officer).
    Who is part of UCT’s executive team?
    The executive team of UCT includes leaders such as James Xiao (Chief Executive Officer), Stephen Dirugeris (Chief Financial Officer), Eliezer Parnafes (Group Chief Financial Officer) and other senior executives.
    How many executives does UCT have?
    UCT has 6 executives leading key business areas.
    What roles are included in UCT’s leadership team?
    The leadership team of UCT includes roles such as Chief Executive Officer, Chief Financial Officer, Group Chief Financial Officer, President, Semiconductor Services Business, President (South, East, Asia).