Greg Marvin Astillero

Registered Mechanical Engineer and HSE/Risk Management professional with 9+ years of experience, including 5+ years in occupational safety and health, integrated management systems, enterprise risk management, and assurance across manufacturing, construction, and heavy industry. Experienced in ISO 9001/14001/45001, risk assessment, audits, incident investigation, critical controls, contractor safety, regulatory compliance, and management system improvement. Strong background in high-risk work, emergency preparedness, safety leadership, and cross-functional governance.

Currently undertaking NEBOSH training.

Specialist, Risk & Compliance, HSE at PHILIPPINE ASSOCIATED SMELTING AND REFINING CORPORATION (PASAR) (2026-01 – Present)

• Manage the Integrated Management System (ISO 9001, ISO 14001 and ISO 45001), including internal audits, compliance verification and system improvement.
• Lead hazard identification, enterprise risk assessments and Management of Change (MoC) reviews; monitor Critical Controls for high-risk activities.
• Conduct workplace inspections, audit activities and corrective/preventive action follow-up arising from audits, incidents and risk assessments.
• Develop and maintain digital HSE systems covering Document Management, Compliance Monitoring, Incident Reporting, Risk Registers and Critical Control Verification.
• Prepare HSE performance reports, KPI dashboards and management review materials; facilitate HSE training and safety awareness programs.

OIC Superintendent - ERM, Assurance, Contractor Management & IMS; Advisor - Risk & Assurance; Advisor - SAFEWORK at PASAR CORP. (A GLENCORE MANAGED COMPANY) (2021-06 – 2025-12)

Career Progression

• Led Enterprise Risk Management, Assurance, IMS, SafeWork and Contractor Management functions supporting operational governance and corporate requirements.
• Led/participated in first-, second- and third-party assurance activities covering SafeWork, Fatal Hazard Protocols, Critical Control Verification, ISO 9001/14001/45001 and HSSE audits.
• Conducted enterprise risk assessments, Bowtie Analysis, HIRAC, workplace inspections, field verifications and critical control assessments across operational and corporate risk domains.
• Developed SafeWork standards, procedures, work instructions, governance documents and training materials; supported incident investigations, ICAM/root cause analysis, CAPA and continuous improvement.
• Managed contractor safety performance, including PTW, SWMS/JSA reviews, HSE inductions, toolbox meetings and compliance verification.
• Coordinated SHES reporting, audit summaries, KPI monitoring, management reviews and assurance reporting; delivered HSE training and safety leadership programs.
• Supported plant turnaround activities as HSE Advisor/Safety Officer, including high-risk work management and emergency preparedness; managed departmental planning, budgeting and contractor performance.

Project Supervisor at LIDE ALMADECOR (2021-01 – 2021-06)

• Supervised fabrication and construction activities, daily workplace inspections, contractor coordination and compliance with occupational safety and health requirements.
• Identified workplace hazards, implemented corrective actions, and verified engineering, quality and environmental controls.

Product Engineer - Kaizen, Product Engineering Department at TAIYO YUDEN PHILIPPINES INC. (2017-08 – 2021-01)

• Led continuous improvement (KAIZEN) initiatives to improve product quality, process efficiency and workplace safety; conducted RCA and CAPA.
• Participated in ISO 9001 implementation and internal audits; supported environmental and occupational safety initiatives and cross-functional management system compliance.
• Identified process hazards and recommended engineering improvements to strengthen safety, quality and operational efficiency.

Bachelor of Science in Mechanical Engineering – Eastern Visayas State University (2010 – 2015)