UCT Executive and Leadership Team

June, 2026

Leadership Overview

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

Driven by innovation, UCT is dedicated to advancing the semiconductor industry through superior subsystem development and ultra-high purity services, solidifying its market leadership.

Leadership Roles at UCT

  • Chief Executive Officer - James Xiao
  • Chief Financial Officer - Stephen Dirugeris
  • Group Chief Financial Officer - Eliezer Parnafes
  • President (South, East, Asia) - Zion Kehila
  • President, Semiconductor Services Business - William Bentinck
  • 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 development and supply of critical subsystems and ultra-high purity cleaning services essential for the semiconductor industry. This leadership involves optimizing the integrated outsourced solutions offered to clients, ensuring improved design-to-delivery cycle times and robust design for manufacturability. Xiao's focus extends to prototyping, component manufacturing, and the critical tool chamber parts cleaning and coating processes. The Chief Executive Officer also oversees the micro contamination analytical services, directly impacting product quality and client trust. James Xiao ensures UCT maintains its competitive edge through continuous innovation and strategic market positioning, driving the company's growth and financial performance.

    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 alignment with UCT's growth objectives in the semiconductor sector. This role involves managing investor relations and securing funding for research and development initiatives that enhance the company's offerings in critical subsystems and ultra-high purity cleaning. The Chief Financial Officer plays a pivotal part in evaluating potential mergers and acquisitions, as well as optimizing financial structures to support global expansion. Stephen Dirugeris's financial acumen is crucial for maintaining profitability and driving shareholder value, particularly in the complex and capital-intensive semiconductor manufacturing environment. Dirugeris ensures robust financial controls are in place across all business units.

    Eliezer Parnafes - Group Chief Financial Officer

    Eliezer Parnafes, the Group Chief Financial Officer at UCT, provides strategic financial leadership and oversight for the company's global financial operations. Parnafes manages financial planning, reporting, and compliance across various business units, ensuring fiscal discipline and maximizing financial performance. This role involves close collaboration with regional finance teams to implement best practices and drive efficiency in financial management. The Group Chief Financial Officer is instrumental in supporting UCT's expansion into new markets and strengthening its financial position within the semiconductor services sector. Eliezer Parnafes's responsibilities include managing treasury functions, optimizing capital structure, and mitigating financial risks. Parnafes ensures that financial strategies directly support the company's mission of delivering critical subsystems and ultra-high purity solutions.

    Zion Kehila - President (South, East, Asia)

    Zion Kehila, the President (South, East, Asia) at UCT, drives business growth and operational excellence across key international markets. Kehila oversees sales, customer relations, and strategic initiatives within the South, East, and Asian regions, focusing on expanding UCT's presence in the semiconductor industry. This leadership role involves developing and executing market-specific strategies to deliver critical subsystems and ultra-high purity cleaning services. The President (South, East, Asia) ensures that regional operations align with global company objectives, fostering strong client partnerships and identifying new business opportunities. Zion Kehila's focus is on enhancing market share and revenue generation by adapting UCT's integrated outsourced solutions to diverse regional demands. Kehila champions the company's commitment to quality and innovation in these vital territories.

    William Bentinck - President, Semiconductor Services Business

    William Bentinck, the President, Semiconductor Services Business at UCT, leads the strategic direction and operational performance of the company's semiconductor services division. Bentinck is responsible for driving growth, innovation, and customer satisfaction within this critical segment of the semiconductor industry. This involves overseeing the delivery of ultra-high purity cleaning, analytical services, and component manufacturing that support semiconductor fabrication processes. The President, Semiconductor Services Business ensures that the division's offerings, including tool chamber parts cleaning and coating, meet the stringent demands of UCT's clientele. William Bentinck's leadership focuses on enhancing the value proposition of UCT's outsourced solutions, optimizing service delivery, and expanding the division's market reach. Bentinck plays a key role in maintaining UCT's reputation for technical expertise and reliability.
    William Bentinck

    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 optimization across the organization. Ben Gigi leads the research and development efforts for UCT's critical subsystems and advanced cleaning technologies vital to the semiconductor industry. This involves defining the technical roadmap, driving the implementation of new manufacturing processes, and ensuring the highest standards of ultra-high purity are met. The Chief Technology Officer & Manager, Process Engineering also oversees the analytical services that support micro contamination detection and resolution. Eran Ben Gigi's expertise is fundamental to enhancing product performance, reducing cycle times, and maintaining UCT's technological leadership. Ben Gigi ensures that process engineering aligns with market demands and client specifications for next-generation semiconductor fabrication.
    Eran Ben Gigi

    Explore Leadership Teams in Electronics

    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 (South, East, Asia), President, Semiconductor Services Business.