Thunwarat Mahuwan

Quality Management professional with over 20 years of experience in Automotive industry. Proven expertise in IATF 16949, ISO 9001, ISO 14001, ISO 45001, Internal Audit, Supplier Quality, Customer Audit and Process Improvement. Strong leadership, communication and problem-solving skills with a proven ability to drive quality culture and achieve business objectives.

QMR (QUALITY MANAGEMENT REPRESENTATIVE) at CHOHO INDUSTRIAL THAILAND (2026-01 – Present)

• Successfully led and passed the certification audits for 3 management systems integrated setup: ISO 9001:2015, ISO 14001:2015, and IATF 16949:2016 (currently awaiting official certificate issuance).
• Oversee and manage Quality Engineering (QE) functions, ensuring seamless alignment between system requirements and daily manufacturing quality controls.
• Act as the primary QMR to ensure overall QMS/EMS compliance with customer-specific requirements (CSR) and statutory regulations.
• Report QMS/EMS performance metrics, KPIs, and continuous improvement opportunities directly to top management.
• Coordinate and manage all interactions with certification bodies, external auditors, and key automotive clients.

SYSTEM ENGINEER at SHAUNGLIN AUTOMOTIVE (THAILAND) CO., LTD. (2025-09 – 2026-01)

• Establish and maintain QMS, EMS and related management systems.
• Control and update system documents to ensure compliance and effectiveness.
• Plan and conduct internal audits and follow up corrective actions.
• Coordinate customer and certification body audits.
• Promote quality and environmental awareness across the organization.
• Monitor and report system performance to top management.

QMR/EMR at MANSFIELD (THAILAND) CO., LTD. (2024-06 – 2025-09)

• Managed and maintained IATF 16949 and ISO 14001 management systems.
• Planned and conducted internal audits and monitored corrective actions.
• Supported customer and CB audits with excellent results.
• Monitored KPI and reported system performance to management.

DOCUMENT CONTROLLER & SAFETY OFFICER at APM AUTO COMPONENTS (THAILAND) LTD. (2018-08 – 2024-06)

• Controlled documents and records for QMS, EMS and DCC.
• Supported internal audits and tracked CAPA.
• Coordinated safety activities and compliance with legal requirements.
• Prepared KPI reports and supported management review.

QC/QA MANAGER/QMR at TMD TOOLS CO., LTD. (2018-03 – 2018-07)

• Managed quality assurance, inspection and calibration systems.
• Handled NCR system and corrective actions.
• Supported New Model development with R&D team.

ISO/DCC, SAFETY, QC LEADER at KWANG ILL (THAI) CO., LTD. (2014-02 – 2018-02)

• Implemented and maintained ISO/TS 16949 and related systems.
• Controlled documents and quality records.
• Conducted SPC, MSA and quality analysis.
• Coordinated customer audits and improvement activities.

QC INSPECTOR (MSA, CPK) at SUNSUI CO., LTD. (1998-06 – 2014-01)

• Performed in-process inspection and documentation (SPC, MSA).
• Analyzed quality data and supported continuous improvement.
• Operated QSPAC program and supported new model activities.

Bachelor's Degree in Public Administration – Sukhothai Thammathirat University