Celcomdigi Executive and Leadership Team

June, 2026

Leadership Overview

CelcomDigi has 5 executives leading key functions including strategy, technology, marketing, finance, and finance transformation.

Driven by a commitment to connectivity, [[CelcomDigi]] operates as Malaysia's largest wireless carrier, dedicated to advancing the nation's digital landscape through robust telecommunications services and a forward-thinking leadership philosophy.

Leadership Roles at Celcomdigi

  • Chief Executive Officer - Mohamad Emir
  • Chief Financial Officer, Finance Transformation & System Integration In Office - Casey Mok
  • Head Chief Financial Officer, Office - Arumugam Amirthalingam
  • Chief Technology Officer - Kesavan Sivabalan
  • Chief Marketing Officer - Zalman Zainal
  • Mohamad Emir - Chief Executive Officer

    Mohamad Emir, the Chief Executive Officer at CelcomDigi, directs the overall strategic vision and operational execution for Malaysia's largest wireless carrier. Overseeing all business units, Mohamad Emir ensures alignment with the company's mission to drive digital transformation across the nation. This leadership role involves navigating the competitive telecommunications landscape, fostering innovation in service delivery, and maximizing shareholder value. By integrating advanced technologies and expanding network reach, Mohamad Emir directly impacts CelcomDigi's market leadership and subscriber growth. Ultimately, Emir secures the company's long-term financial stability and its position as a key enabler of Malaysia's digital economy.

    Casey Mok - Chief Financial Officer, Finance Transformation & System Integration In Office

    Casey Mok, the Chief Financial Officer, Finance Transformation & System Integration In Office at CelcomDigi, drives financial strategy and oversees critical transformation projects for Malaysia's largest wireless carrier. Directing financial planning, reporting, and the integration of new financial systems, Casey Mok ensures robust fiscal management and operational efficiency. This multifaceted role involves optimizing financial processes, managing complex system implementations, and providing strategic financial insights to support business objectives. By enhancing financial controls and streamlining integration efforts, Mok directly impacts the company's agility and its ability to adapt to evolving market demands. Ultimately, Casey Mok strengthens CelcomDigi's financial foundation and its capacity for sustainable growth.

    Arumugam Amirthalingam - Head Chief Financial Officer, Office

    Arumugam Amirthalingam, the Head Chief Financial Officer, Office at CelcomDigi, manages the day-to-day financial operations and reporting for Malaysia's largest wireless carrier. Overseeing core accounting functions, treasury activities, and compliance, Arumugam Amirthalingam ensures the accuracy and integrity of financial data. This role is pivotal in maintaining the company's financial health and supporting strategic decision-making through reliable financial insights. By diligently managing financial resources and adhering to regulatory requirements, Amirthalingam directly supports CelcomDigi's operational stability and its commitment to transparent financial practices. Ultimately, Arumugam Amirthalingam contributes to the overall financial discipline that underpins the company's market leadership.

    Kesavan Sivabalan - Chief Technology Officer

    Kesavan Sivabalan, the Chief Technology Officer at CelcomDigi, architects the technological infrastructure and innovation roadmap for Malaysia's leading mobile service provider. Overseeing network development, IT operations, and emerging technology integration, Kesavan Sivabalan ensures the delivery of reliable and cutting-edge communication services to over 20 million subscribers. This critical role involves managing substantial capital expenditures, driving network modernization initiatives, and safeguarding the integrity of the company's digital platforms. By optimizing network performance and exploring advancements in 5G and beyond, Sivabalan directly supports CelcomDigi's commitment to superior customer experience and operational efficiency. Ultimately, Sivabalan solidifies the company's technological advantage in the competitive Malaysian market.

    Zalman Zainal - Chief Marketing Officer

    Zalman Zainal, the Chief Marketing Officer at CelcomDigi, spearheads the brand strategy and customer acquisition initiatives for Malaysia's largest wireless carrier. Directing all marketing communications, product positioning, and go-to-market strategies, Zalman Zainal ensures CelcomDigi resonates with its vast subscriber base and attracts new customers. This position involves deep market analysis, understanding consumer needs, and developing compelling campaigns that highlight the company's value proposition. By driving brand loyalty and expanding market penetration, Zainal directly contributes to revenue growth and sustained market leadership. Ultimately, Zalman Zainal fortifies CelcomDigi's presence and influence within the dynamic Malaysian telecommunications sector.

    Explore Leadership Teams in Telecommunications

    Frequently Asked Questions Regarding Celcomdigi Top Executives and Leadership Team

    Who leads Celcomdigi?
    Celcomdigi is led by Mohamad Emir (Chief Executive Officer), along with executives such as Casey Mok (Chief Financial Officer, Finance Transformation & System Integration In Office) and Arumugam Amirthalingam (Head Chief Financial Officer, Office).
    Who is part of Celcomdigi’s executive team?
    The executive team of Celcomdigi includes leaders such as Mohamad Emir (Chief Executive Officer), Casey Mok (Chief Financial Officer, Finance Transformation & System Integration In Office), Arumugam Amirthalingam (Head Chief Financial Officer, Office) and other senior executives.
    How many executives does Celcomdigi have?
    Celcomdigi has 5 executives leading key business areas.
    What roles are included in Celcomdigi’s leadership team?
    The leadership team of Celcomdigi includes roles such as Chief Executive Officer, Chief Financial Officer, Finance Transformation & System Integration In Office, Head Chief Financial Officer, Office, Chief Technology Officer, Chief Marketing Officer.