Taiwan Mobile Executive and Leadership Team

September, 2026

Leadership Overview

Taiwan Mobile has 5 executives leading key functions including operational strategy, financial management, information technology, technical infrastructure, and corporate fiscal oversight.

Driven by a commitment to digital transformation, Taiwan Mobile advances the T.I.M.E. strategy to revolutionize telecommunications, media, and e-commerce through innovative 5G integration and the Open Possible brand spirit.

Leadership Roles at Taiwan Mobile

  • Chief Financial Officer - George Chang
  • Executive Vice President & Chief Financial Officer - Rosie Yu
  • Vice President, Chief Information Officer - Rock Tsai
  • Acting Chief Technology Officer - Steve Wang
  • Deputy Director - Stone Tsai
  • George Chang - Chief Financial Officer

    George Chang, the Chief Financial Officer at Taiwan Mobile, directs the fiscal strategy and capital allocation necessary to sustain the company's T.I.M.E. business model. Overseeing long-term financial planning, the Chief Financial Officer ensures the availability of resources for 5G infrastructure expansion and digital innovation projects. George Chang manages investor relations and maintains transparency in reporting to support market confidence. This leadership role involves evaluating the financial viability of new media and e-commerce ventures to ensure alignment with corporate profitability targets. By implementing rigorous cost-control measures, the Chief Financial Officer optimizes the balance sheet for future investments. The financial oversight provided by the Chief Financial Officer enables the company to navigate the complexities of the telecommunications sector while maintaining a strong competitive position. Through disciplined fiscal management, the Chief Financial Officer secures the capital foundation required for the ongoing evolution of the brand.

    Rosie Yu - Executive Vice President & Chief Financial Officer

    Rosie Yu, the Executive Vice President & Chief Financial Officer at Taiwan Mobile, governs the overarching financial health and strategic investment portfolio of the organization. Overseeing the corporate treasury and financial risk management, the Executive Vice President & Chief Financial Officer ensures that the company maintains a robust liquidity position to fund large-scale digital transformation initiatives. Rosie Yu collaborates with the board to define the financial parameters for the T.I.M.E. strategy, ensuring that all business units contribute to long-term value creation. This leadership role involves analyzing market trends to guide capital expenditure toward high-growth sectors like e-commerce and cloud services. By maintaining strict financial discipline, the Executive Vice President & Chief Financial Officer supports the company's commitment to CSR and sustainable growth. Through strategic financial leadership, the Executive Vice President & Chief Financial Officer ensures that the company remains well-positioned to capitalize on new opportunities within the regional telecommunications market.

    Rock Tsai - Vice President, Chief Information Officer

    Rock Tsai, the Vice President, Chief Information Officer at Taiwan Mobile, architects the digital infrastructure required to support the company's cloud and convergence strategies. Overseeing the enterprise-wide information systems, the Vice President, Chief Information Officer ensures the security and scalability of data platforms that power mobile and broadband services. Rock Tsai drives the adoption of advanced technologies to enhance customer experience and operational efficiency. This leadership role involves collaborating with other C-suite executives to integrate IT solutions into the broader T.I.M.E. framework. By modernizing legacy systems, the Vice President, Chief Information Officer facilitates the rapid deployment of new digital products and services. The strategic focus on cloud computing and data analytics allows the company to maintain a technological edge in the regional market. Through continuous innovation, the Vice President, Chief Information Officer ensures that the information architecture remains a core pillar of the Open Possible brand.
    Rock Tsai

    Steve Wang - Acting Chief Technology Officer

    Steve Wang, the Acting Chief Technology Officer at Taiwan Mobile, leads the technical development and deployment of 5G communications infrastructure. Overseeing the engineering teams, the Acting Chief Technology Officer ensures the successful implementation of high-speed network solutions that define the company's current market position. Steve Wang manages the technical roadmap for the integration of mobile, fixed-line, and broadband services. This leadership role involves evaluating emerging technologies to maintain the company's status as a forerunner in digital innovation. By prioritizing network stability and performance, the Acting Chief Technology Officer supports the delivery of high-quality content and media services to the consumer base. The technical oversight provided by the Acting Chief Technology Officer enables the company to execute the 6C strategy effectively. Through constant monitoring of network health, the Acting Chief Technology Officer ensures that the infrastructure meets the evolving demands of the digital era.

    Stone Tsai - Deputy Director

    Stone Tsai, the Deputy Director at Taiwan Mobile, manages critical operational workflows to ensure seamless service delivery across the telecommunications portfolio. By optimizing internal processes, the Deputy Director aligns departmental output with the broader 6C strategy, specifically focusing on network coverage and channel efficiency. Stone Tsai monitors performance metrics to maintain high standards in mobile and broadband service reliability. This leadership role involves coordinating cross-functional teams to support the transition toward a next-gen technology company. Through rigorous oversight of daily operations, the Deputy Director facilitates the integration of fixed-line and cable TV services into the unified digital ecosystem. By streamlining resource allocation, the Deputy Director enhances the overall agility of the organization. This focus on operational excellence supports the company mission of providing robust connectivity while driving sustainable growth across the competitive landscape of the regional market.

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    Frequently Asked Questions Regarding Taiwan Mobile Top Executives and Leadership Team

    Who leads Taiwan Mobile?
    Taiwan Mobile is led by George Chang (Chief Financial Officer), along with executives such as Rosie Yu (Executive Vice President & Chief Financial Officer) and Rock Tsai (Vice President, Chief Information Officer).
    Who is part of Taiwan Mobile’s executive team?
    The executive team of Taiwan Mobile includes leaders such as George Chang (Chief Financial Officer), Rosie Yu (Executive Vice President & Chief Financial Officer), Rock Tsai (Vice President, Chief Information Officer) and other senior executives.
    How many executives does Taiwan Mobile have?
    Taiwan Mobile has 5 executives leading key business areas.
    What roles are included in Taiwan Mobile’s leadership team?
    The leadership team of Taiwan Mobile includes roles such as Chief Financial Officer, Executive Vice President & Chief Financial Officer, Vice President, Chief Information Officer, Acting Chief Technology Officer, Deputy Director.