Mr. Worawat Pitayasiri
Mr. Worawat Pitayasiri


  • Bachelor of Engineering (Chemical Engineering), Chulalongkorn University
  • Master of Business Administration, Thammasart University


  • Director Certification Program (DCP), Class 158/2012, Thai Institute Directors Association (IOD)
  • Advanced Certificate Course Politics and Governance in Democratic Systems for Executives, Class 22nd, King Prajadhipok’s Institute
  • NIDA-Wharton Executive Leadership Program, Class of 2009, The Wharton School of the University of Pennsylvania, USA
  • Asia Petrochemical Industry Conference (APIC), Class 2/2017, Japan Petrochemicals Industry Association
  • Senior Executive Program (SEP), Class 26/2012, Sasin Graduate Institute of Business Administration, Chulalongkorn University
  • PTT Group VP Leadership Development Program

Shareholding Proportion (Percent)


Family Relation with Management


5 years past experience


  • Director and Member of Nomination and remuneration Committee / Glow Energy Public Co., Ltd.
  • Director / Glow Group (Except Glow IPP 3 Co., Ltd., GHECO-One Co., Ltd., Houay Ho Thai Co., Ltd., Houay Ho Power Co., Ltd., Eastern Seaboard Clean Energy Co., Ltd., Chonburi Clean Energy Co., Ltd., Rayong Clean Energy Co., Ltd., Glow Hemaraj Wind Co., Ltd., and Glow Energy Myanmar Co., Ltd.)
  • Director, Secretary to the Board, Member of The Risk Management committee, President and Chief Executive Office (Executive Director) / Global Power Synergy Public Co., Ltd.
  • Senior Executive Vice President / PTT Public Co., Ltd.
  • Director / Xayaburi Power Co., Ltd.
  • Director / Ratchburi Power Co., Ltd.


July 2015 - March 2016

  • President / PTT MCC Biochem Company Limited

March 2016 - September 2016

  • Executive Vice President, Downstream Business Group Collaboration / PTT Public Company Limited

October 2016 - September 2018

  • Executive Vice President , Downstream Business Group Planning / PTT Public Company Limited

September 2018 - November 2020

  • Senior Executive Vice President, Innovation and Digital / PTT