Carsurin Executive and Leadership Team

September, 2026

Leadership Overview

Carsurin has 5 executives leading key functions including strategy, operations, human capital, corporate governance, and administrative oversight.

Focused on delivering rigorous inspection and testing standards, Carsurin provides essential verification services to mitigate risk across the Indonesian minerals, oil, gas, and agricultural sectors.

Leadership Roles at Carsurin

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

    Sheila Tiwan, the Chief Executive Officer at Carsurin, directs the overarching strategic vision for the organization. By overseeing the expansion of inspection and testing services across Indonesia, Tiwan ensures the company maintains high standards of integrity and compliance. This leadership role involves managing relationships with government entities and industrial clients to secure market position. Through the optimization of laboratory operations and the integration of global verification standards, the Chief Executive Officer drives sustainable growth. Sheila Tiwan also coordinates with the board to align corporate objectives with the evolving needs of the minerals and energy sectors. By fostering a culture of technical excellence, the Chief Executive Officer strengthens the competitive advantage of the firm. This executive leadership ensures that all testing and certification processes meet international benchmarks while addressing the specific regulatory requirements of the domestic market.

    Muharam Zamzam - President & Director

    Muharam Zamzam, the President & Director at Carsurin, oversees the governance and high-level administrative direction of the company. By managing the legal and regulatory compliance frameworks, Zamzam ensures that all inspection and certification activities adhere to national and international standards. This role involves representing the firm in high-stakes negotiations with government stakeholders and industrial partners. Muharam Zamzam also monitors the financial health and risk profile of the organization to ensure long-term stability. By providing executive oversight for the diverse service portfolio, the President & Director maintains the reputation of the firm as a trusted verification partner. This leadership position requires a deep understanding of the Indonesian regulatory landscape and the technical requirements of the minerals industry. Through the implementation of sound governance practices, the President & Director secures the operational continuity and market influence of the entire organization.

    Ipung Supriyadi - Chief People Officer & Head of Operations

    Ipung Supriyadi, the Chief People Officer & Head of Operations at Carsurin, manages the daily functional efficiency of the multi-purpose laboratory network. By supervising the technical staff and operational workflows, Supriyadi ensures that inspection services remain accurate and timely. This role involves scaling human capital initiatives to support the diverse requirements of the agriculture and consumer product sectors. Ipung Supriyadi also monitors the performance of regional branch offices to maintain consistent service delivery across the archipelago. By aligning workforce capabilities with operational demands, the Chief People Officer & Head of Operations optimizes resource allocation and laboratory output. This leadership position requires constant collaboration with technical teams to refine testing methodologies. Through the implementation of rigorous safety and quality protocols, the Chief People Officer & Head of Operations secures the operational integrity of the entire testing infrastructure.
    Ipung Supriyadi

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

    Hapsari Aryani, the Chief People Officer, Corporate & Operation Strategy Coordinator at Carsurin, architects the long-term organizational development and strategic planning frameworks. By aligning corporate goals with human capital management, Aryani ensures that the firm retains top-tier talent for complex verification tasks. This role involves coordinating cross-departmental strategies to improve the efficiency of inspection services in the oil and gas sectors. Hapsari Aryani also designs internal policies that support the company's commitment to quality and regulatory compliance. By analyzing market trends and operational data, the Chief People Officer, Corporate & Operation Strategy Coordinator drives initiatives that enhance service delivery. This leadership function requires close cooperation with other executives to synchronize corporate strategy with daily operational execution. Through the development of robust training programs, the Chief People Officer, Corporate & Operation Strategy Coordinator builds a resilient workforce capable of meeting global accreditation standards.
    Hapsari Aryani

    Wyrdana Ahmad - Admin Chief People Officer

    Wyrdana Ahmad, the Admin Chief People Officer at Carsurin, manages the administrative infrastructure and personnel support systems that underpin the company's testing operations. By streamlining internal processes and human resource workflows, Ahmad ensures that the technical teams receive the necessary support to perform inspections efficiently. This role involves overseeing the administrative compliance of the branch offices and ensuring that all documentation meets rigorous quality standards. Wyrdana Ahmad also coordinates the logistical support required for the firm's multi-purpose laboratories. By optimizing administrative functions, the Admin Chief People Officer reduces operational friction and improves the overall speed of service delivery. This leadership position requires constant attention to detail and the ability to manage complex organizational data. Through the implementation of efficient administrative systems, the Admin Chief People Officer supports the broader mission of providing reliable verification services to clients across various industrial 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 Ipung Supriyadi (Chief People Officer & Head of Operations).
    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), Ipung Supriyadi (Chief People Officer & Head of Operations) 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 & Head of Operations, Chief People Officer, Corporate & Operation Strategy Coordinator, Admin Chief People Officer.