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whistleblowing Procurement
Mr. Pornsak Mongkoltrirat

Director / Member of the Risk Management Committee (Non-Executive Director)

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Date Appointed : January 1, 2026 (1st Term)

Age : 59

Education
  • Master of Business Administration (Management), Kasetsart University
  • Bachelor of Engineering (Mechanical Engineering), Kasetsart University
Training Record with Thai Institute of Directors (IOD)
  • Director Certification Program (DCP), Class 263/2018
  • Role of the Chairman Program (RCP), Class 48/2021
Other Training Record
  • Director’s Legal Liabilities, Ethical Leadership for New Era and High Performing Board & Board Effectiveness 2021 (In-house Programs by GC)
  • Business and Legal Issues for Directors and Executives and Transformative Leadership for Global Enterprise 2022 (In-house Programs by GC)
Current Position in Other Organizations

Listed Company-The Stock Exchange of Thailand

1 Organization :

  • Chief Operating Officer -Center of Excellence, PTT Global Chemical Public Company Limited

Other Organizations / Companies (Not Listed in the Stock Exchange of Thailand)

4 Organizations :

  • Director, HMC Polymers Company Limited
  • Chairman, NPC Safety and Environmental Service Company Limited
  • Chairman, GC Estate Company Limited
  • Chairman, GC Maintenance and Engineering Company Limited
Year Position
Work Experiences
15 Jan 2023 - 19 Feb 2024 Chairman, GC Logistics Solutions (Vietnam) Company Limited
1 Jan 2023 - 31 Dec 2023 Managing Director, GC Logistics Solutions Company Limited
28 Feb 2022 - 8 May 2023 Chairman, Solution Creation Company Limited
24 Feb 2022 - 6 Aug 2024 Director, Thai PET Resin Company Limited
24 Feb 2022 - 6 Aug 2024 Director, GC-M PTA Company Limited
23 Feb 2021 - 27 Feb 2022 Director, Solution Creation Company Limited
9 Dec 2020 - 9 Jul 2024 Chairman of the Executive Committee, PTT Asahi Chemical Company Limited
28 Sep 2020 - 18 Jun 2024 Chairman, Revolve Group Limited
28 Sep 2020 - 22 May 2022 Director, Revolve Group Limited
31 Jul 2020 - 17 Jun 2024 Director, Dynachisso Thai Company Limited
1 Apr 2020 - 12 May 2024 Executive Vice President -Polymers, PTT Global Chemical Public Company Limited
3 Feb 2020 - 15 Jun 2024 Chairman, ENVICCO Limited
13 Dec 2019 - 29 Jul 2024 Executive Committee Member, HMC Polymers Company Limited
12 Nov 2019 - 19 Feb 2024 Chairman, PL Global Transport Company Limited
12 Nov 2019 - 21 Dec 2023 Chairman, GC Logistics Solutions Company Limited
11 Nov 2019 - 24 Aug 2022 Chairman, GC Styrenics Company Limited
31 Oct 2019 - 15 Jun 2024 Director, GC Logistics Solutions Company Limited
28 Oct 2019 - 19 Oct 2022 Director, GC Marketing Solutions Company Limited
1 Oct 2019 - 31 Mar 2020 Acting Executive Vice President -Group Performance Center - Polymers Business Unit, PTT Global Chemical Public Company Limited
29 Mar 2019 - 15 Feb 2022 Director, GC Maintenance and Engineering Company Limited
Shareholding in GPSC (including spouse and minor)
  • None
Qualified According to Related Laws and Does Not Have Prohibited Qualifications
  • Qualified
Family Relation with other Directors, Executives, Major Shareholders of GPSC and its Subsidiaries
  • None