NDK Executive and Leadership Team

July, 2026

Leadership Overview

NDK has 5 executives leading key functions including strategy, operations, and global market development.

Driven by a commitment to innovation, NDK is dedicated to advancing frequency control devices and sensors, contributing to global technological progress and societal prosperity through its specialized manufacturing.

Leadership Roles at NDK

  • President - Tetsuya Yamaguchi
  • President - Lionel Kwong
  • President & Representative & Director - Hiroshi Takeuchi
  • President - Toshiyuki Sakamoto
  • President - Chun Jo
  • Tetsuya Yamaguchi - President

    Tetsuya Yamaguchi, the President at NDK, directs the overarching strategic vision and operational execution for the company's global business. Yamaguchi oversees the development and deployment of advanced quartz crystal devices and sensors, critical components for electronic equipment worldwide. This leadership role involves ensuring NDK's continued market leadership through innovation and adherence to the company's founding philosophy of contributing to society and world peace. Yamaguchi's focus remains on driving sustained business growth by expanding NDK's portfolio of high-value-added frequency control devices and new product lines. The President's responsibilities include fostering cross-departmental collaboration to maintain product quality and accelerate the integration of new technologies into manufacturing processes. Tetsuya Yamaguchi guides the company's expansion into emerging markets, solidifying NDK's position as a comprehensive manufacturer in the frequency control device sector.

    Lionel Kwong - President

    Lionel Kwong, the President at NDK, spearheads critical initiatives focused on global market penetration and customer engagement. Kwong directs the strategic expansion of NDK's product offerings, particularly in the realm of sensors and advanced frequency control devices, ensuring alignment with evolving industry demands. This executive's purview includes optimizing international sales channels and strengthening partnerships across diverse geographical regions to enhance NDK's global footprint. Kwong is instrumental in translating the company's technological advancements into tangible market advantages, driving revenue growth and solidifying NDK's reputation as a premier supplier. Lionel Kwong's leadership ensures that NDK's specialized components remain essential across a vast array of electronic equipment, supporting the company's mission of contributing to societal progress through technological excellence.

    Hiroshi Takeuchi - President & Representative & Director

    Hiroshi Takeuchi, the President & Representative & Director at NDK, holds ultimate accountability for the company's strategic direction and corporate governance. Takeuchi directs the integration of NDK's core crystal device manufacturing expertise with emerging sensor technologies, driving the company's evolution into a comprehensive frequency control device provider. This leadership position involves overseeing all aspects of business operations, ensuring adherence to the highest standards of quality and innovation. Takeuchi's mandate includes fostering a culture of continuous improvement and strategic foresight to maintain NDK's competitive edge in the global electronics market. Hiroshi Takeuchi's role is pivotal in guiding NDK's long-term growth trajectory, ensuring the company's sustained contribution to technological advancement and societal prosperity through its specialized components.

    Toshiyuki Sakamoto - President

    Toshiyuki Sakamoto, the President at NDK, drives the operational efficiency and technological advancement of the company's manufacturing capabilities. Sakamoto oversees the production of NDK's extensive range of quartz crystal devices and related components, ensuring consistent quality and supply to meet global demand. This executive's focus includes optimizing production processes and implementing cutting-edge manufacturing techniques to enhance output and reduce costs. Sakamoto plays a key role in the strategic application of NDK's crystal technologies to new product development, particularly in sensors and high-value-added components. Toshiyuki Sakamoto's leadership ensures that NDK remains at the forefront of frequency control device manufacturing, supporting the company's mission to contribute to societal progress through reliable and innovative electronic components.

    Chun Jo - President

    Chun Jo, the President at NDK, leads the strategic initiatives focused on expanding NDK's technological frontiers and market reach. Jo directs the research and development efforts aimed at creating next-generation frequency control devices and sensors, ensuring NDK remains a leader in innovation. This executive's responsibilities encompass fostering collaborations that accelerate the integration of advanced technologies into NDK's product lines, thereby enhancing their value proposition. Chun Jo is dedicated to driving the company's sustained business growth by identifying and capitalizing on new market opportunities for high-value-added components. Chun Jo's leadership ensures that NDK's specialized manufacturing expertise continues to support the development of essential electronic equipment worldwide, aligning with the company's philosophy of contributing to global prosperity.

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    Frequently Asked Questions Regarding NDK Top Executives and Leadership Team

    Who leads NDK?
    NDK is led by Tetsuya Yamaguchi (President), along with executives such as Lionel Kwong (President) and Hiroshi Takeuchi (President & Representative & Director).
    Who is part of NDK’s executive team?
    The executive team of NDK includes leaders such as Tetsuya Yamaguchi (President), Lionel Kwong (President), Hiroshi Takeuchi (President & Representative & Director) and other senior executives.
    How many executives does NDK have?
    NDK has 5 executives leading key business areas.
    What roles are included in NDK’s leadership team?
    The leadership team of NDK includes roles such as President, President, President & Representative & Director, President, President.