Carsurin Executive and Leadership Team

July, 2026

Leadership Overview

Carsurin has 5 executives leading key functions including strategy, people operations, and corporate governance.

Driven by a commitment to quality and integrity, Carsurin provides local solutions with a global perspective to mitigate risks for its clients across diverse sectors.

Leadership Roles at Carsurin

  • Chief Executive Officer - Sheila Tiwan
  • President & Director - Muharam Zamzam
  • Chief People Officer, Corporate & Operation Strategy Coordinator - Hapsari Aryani
  • Head Chief People Officer, Operations - Ipung Supriyadi
  • Admin Chief People Officer - Wyrdana Ahmad
  • Sheila Tiwan - Chief Executive Officer

    Sheila Tiwan, the Chief Executive Officer at Carsurin, directs the overarching strategy and operational execution for the company's inspection, testing, certification, and verification services. This leadership role involves guiding the organization's expansion across Indonesia, leveraging its network of over 20 branch offices and 15 multi-purpose laboratories. Sheila Tiwan ensures that the company's commitment to quality and integrity is upheld across all service lines, which span agriculture, consumer products, minerals, and oil & gas sectors. The Chief Executive Officer's focus remains on delivering local solutions with a global perspective, effectively mitigating risks for a diverse clientele that includes government entities and industries requiring stringent compliance and accreditation. This executive drives the company's market position by fostering innovation and maintaining high standards in all operational facets, directly impacting client trust and regulatory adherence.

    Muharam Zamzam - President & Director

    Muharam Zamzam, the President & Director at Carsurin, holds a pivotal position in steering the company's strategic direction and corporate governance. This executive leadership role involves overseeing the company's overall performance and ensuring adherence to its mission of providing high-quality inspection, testing, certification, and verification services. Muharam Zamzam guides the organization in maintaining its extensive network of branch offices and laboratories across Indonesia, reinforcing its capacity to deliver local solutions with a global perspective. The President & Director's responsibilities include fostering strong relationships with stakeholders, including clients, government entities, and industry partners, to uphold Carsurin's reputation for integrity and reliability. By championing the company's commitment to mitigating risks for clients in sectors such as agriculture, minerals, and oil & gas, Muharam Zamzam ensures sustained growth and market leadership.

    Hapsari Aryani - Chief People Officer, Corporate & Operation Strategy Coordinator

    Hapsari Aryani, the Chief People Officer, Corporate & Operation Strategy Coordinator at Carsurin, orchestrates human capital management and aligns corporate and operational strategies. This dual focus ensures that the company's workforce development initiatives directly support its strategic objectives in inspection, testing, certification, and verification services. Hapsari Aryani oversees talent acquisition, employee engagement, and performance management across the organization's extensive network of branch offices and laboratories throughout Indonesia. The Corporate & Operation Strategy Coordinator aspect of this role involves close collaboration with other leadership to refine operational efficiencies and drive strategic planning, ensuring seamless integration between people strategies and business goals. By championing a culture of quality and integrity, Hapsari Aryani contributes significantly to Carsurin's mission of providing effective local solutions with a global outlook, thereby mitigating client risks in sectors like agriculture, minerals, and oil & gas.
    Hapsari Aryani

    Ipung Supriyadi - Head Chief People Officer, Operations

    Ipung Supriyadi, the Head Chief People Officer, Operations at Carsurin, spearheads the human resources function with a specific emphasis on operational excellence. This leadership position involves managing all aspects of employee relations, talent development, and workforce planning to support the company's extensive service offerings in inspection, testing, certification, and verification. Ipung Supriyadi ensures that operational teams are equipped with the necessary skills and resources to maintain the highest standards of quality and integrity across Carsurin's numerous branch offices and laboratories in Indonesia. The focus on operations means driving initiatives that enhance productivity, streamline processes, and foster a cohesive work environment. By aligning people strategies with operational demands, Ipung Supriyadi plays a crucial part in delivering reliable local solutions with a global perspective, directly supporting the company's mission to mitigate risks for clients in diverse industries such as agriculture, consumer products, and oil & gas.

    Wyrdana Ahmad - Admin Chief People Officer

    Wyrdana Ahmad, the Admin Chief People Officer at Carsurin, manages the administrative functions of the human resources department, ensuring efficient and effective support for the company's extensive workforce. This role focuses on the operational aspects of people management, including HR system administration, record-keeping, and compliance with labor regulations across Indonesia. Wyrdana Ahmad supports the broader Chief People Officer function by ensuring that all administrative processes are optimized to facilitate talent acquisition, employee onboarding, and ongoing HR services. The objective is to maintain a smooth and organized HR infrastructure that underpins Carsurin's commitment to quality and integrity in its inspection, testing, certification, and verification services. By ensuring the seamless administration of HR policies, Wyrdana Ahmad contributes to the company's ability to provide reliable local solutions with a global perspective, thereby supporting risk mitigation for clients across various sectors.

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    Frequently Asked Questions Regarding Carsurin Top Executives and Leadership Team

    Who leads Carsurin?
    Carsurin is led by Sheila Tiwan (Chief Executive Officer), along with executives such as Muharam Zamzam (President & Director) and Hapsari Aryani (Chief People Officer, Corporate & Operation Strategy Coordinator).
    Who is part of Carsurin’s executive team?
    The executive team of Carsurin includes leaders such as Sheila Tiwan (Chief Executive Officer), Muharam Zamzam (President & Director), Hapsari Aryani (Chief People Officer, Corporate & Operation Strategy Coordinator) and other senior executives.
    How many executives does Carsurin have?
    Carsurin has 5 executives leading key business areas.
    What roles are included in Carsurin’s leadership team?
    The leadership team of Carsurin includes roles such as Chief Executive Officer, President & Director, Chief People Officer, Corporate & Operation Strategy Coordinator, Head Chief People Officer, Operations, Admin Chief People Officer.